oota-llvm.git
11 years agoMoving SectionMemoryManager to MCJIT to avoid cross dependency between JIT and Runtim...
Andrew Kaylor [Wed, 28 Nov 2012 01:02:06 +0000 (01:02 +0000)]
Moving SectionMemoryManager to MCJIT to avoid cross dependency between JIT and RuntimeDyld

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168755 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSome grammar fixes
Eli Bendersky [Wed, 28 Nov 2012 00:27:25 +0000 (00:27 +0000)]
Some grammar fixes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168752 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r168630, r168631, and r168633 as these are causing nightly test failures.
Chad Rosier [Wed, 28 Nov 2012 00:21:29 +0000 (00:21 +0000)]
Revert r168630, r168631, and r168633 as these are causing nightly test failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168751 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agolit: Bump the version to .3.
Daniel Dunbar [Wed, 28 Nov 2012 00:06:11 +0000 (00:06 +0000)]
lit: Bump the version to .3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168750 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch makes medium code model the default for 64-bit PowerPC ELF.
Bill Schmidt [Tue, 27 Nov 2012 23:36:26 +0000 (23:36 +0000)]
This patch makes medium code model the default for 64-bit PowerPC ELF.

When the CodeGenInfo is to be created for the PPC64 target machine,
a default code-model selection is converted to CodeModel::Medium
provided we are not targeting the Darwin OS.  Defaults for Darwin
are unaffected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168747 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agodocs: [CMake] Add Xcode to the list of project formats CMake can generate.
NAKAMURA Takumi [Tue, 27 Nov 2012 23:34:28 +0000 (23:34 +0000)]
docs: [CMake] Add Xcode to the list of project formats CMake can generate.

Suggested by Sean McBride, thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168745 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix comment formatting in RuntimeDyld.h
Andrew Kaylor [Tue, 27 Nov 2012 22:53:57 +0000 (22:53 +0000)]
Fix comment formatting in RuntimeDyld.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168739 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAttempt to make the comments for dwarf debug look more like
Eric Christopher [Tue, 27 Nov 2012 22:43:45 +0000 (22:43 +0000)]
Attempt to make the comments for dwarf debug look more like
the coding standard would like.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168737 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReapply section moving, make sure string section is output last.
Eric Christopher [Tue, 27 Nov 2012 22:43:42 +0000 (22:43 +0000)]
Reapply section moving, make sure string section is output last.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168736 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[arm fast-isel] Appease the machine verifier by using the proper register
Chad Rosier [Tue, 27 Nov 2012 22:29:43 +0000 (22:29 +0000)]
[arm fast-isel] Appease the machine verifier by using the proper register
classes.  The vast majority of the remaining issues are due to uses of
invalid registers, which are defined by getRegForValue().  Those will be
a little more challenging to cleanup.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168735 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[arm fast-isel] Appease the machine verifier by using the proper register
Chad Rosier [Tue, 27 Nov 2012 22:12:11 +0000 (22:12 +0000)]
[arm fast-isel] Appease the machine verifier by using the proper register
classes.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168733 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unused internal linkage variable.
Richard Smith [Tue, 27 Nov 2012 21:51:36 +0000 (21:51 +0000)]
Remove unused internal linkage variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168729 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[arm fast-isel] Appease the machine verifier by using the proper register
Chad Rosier [Tue, 27 Nov 2012 21:46:46 +0000 (21:46 +0000)]
[arm fast-isel] Appease the machine verifier by using the proper register
classes.  Also a bit of cleanup.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168728 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd -verify-machineinstrs to these fast-isel test cases.
Chad Rosier [Tue, 27 Nov 2012 20:49:56 +0000 (20:49 +0000)]
Add -verify-machineinstrs to these fast-isel test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168723 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoModifying lli to use the SectionMemoryManager.
Andrew Kaylor [Tue, 27 Nov 2012 19:49:00 +0000 (19:49 +0000)]
Modifying lli to use the SectionMemoryManager.

The functionality of SectionMemoryManager is equivalent to the LLIMCJITMemoryManager being replaced except that it allocates memory as RW and later changes it to RX or R as needed.  The page permissions are set in the call to MCJIT::finalizeObject.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168722 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMoving SectionMemoryManager into RuntimeDyld and adding unit tests for it.
Andrew Kaylor [Tue, 27 Nov 2012 19:42:02 +0000 (19:42 +0000)]
Moving SectionMemoryManager into RuntimeDyld and adding unit tests for it.

The SectionMemoryManager now supports (and requires) applying section-specific page permissions.  Clients using this memory manager must call either MCJIT::finalizeObject() or SectionMemoryManager::applyPermissions() before executing JITed code.

See r168718 for changes from the previous implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168721 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoModified depends() to recognize that when all levels are "=" and
Preston Briggs [Tue, 27 Nov 2012 19:12:26 +0000 (19:12 +0000)]
Modified depends() to recognize that when all levels are "=" and
there's no possible loo-independent dependence, then there's no
dependence.

Updated all test result appropriately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168719 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoImplementing page permission setting in MCJIT unit test SectionMemoryManager.cpp
Andrew Kaylor [Tue, 27 Nov 2012 19:00:17 +0000 (19:00 +0000)]
Implementing page permission setting in MCJIT unit test SectionMemoryManager.cpp

This commit is primarily here for the revision history.  I'm about to move the SectionMemoryManager into the RuntimeDyld library, but I wanted to check the changes in here so people could see the differences in the updated implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168718 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCSE: allow PerformTrivialCoalescing to check copies across basic block
Manman Ren [Tue, 27 Nov 2012 18:58:41 +0000 (18:58 +0000)]
CSE: allow PerformTrivialCoalescing to check copies across basic block
boundaries.

Given the following case:
BB0
  %vreg1<def> = SUBrr %vreg0, %vreg7
  %vreg2<def> = COPY %vreg7
BB1
  %vreg10<def> = SUBrr %vreg0, %vreg2
We should be able to CSE between SUBrr in BB0 and SUBrr in BB1.

rdar://12462006

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168717 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Don't replace all uses for instructions with no uses
Meador Inge [Tue, 27 Nov 2012 18:52:49 +0000 (18:52 +0000)]
instcombine: Don't replace all uses for instructions with no uses

My commit to migrate the printf simplifiers from the simplify-libcalls
in r168604 introduced a regression reported by Duncan [1].  The problem
is that in some cases the library call simplifier can return a new value
that has no uses and the new value's type is different than the old value's
type (which is fine because there are no uses).  The specific case that
triggered the bug looked something like:

   declare void @printf(i8*, ...)
   ...
   call void (i8*, ...)* @printf(i8* %fmt)

Which we want to optimized into:

   call i32 @putchar(i32 104)

However, the code was attempting to replace all uses of the printf with
the putchar and the types differ, hence a crash.  This is fixed by *just*
deleting the original instruction when there are no uses.  The old
simplify-libcalls pass is already doing something similar.

[1] http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-November/056338.html

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168716 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove duplicated #includes.
Jakub Staszak [Tue, 27 Nov 2012 18:27:14 +0000 (18:27 +0000)]
Remove duplicated #includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168712 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSCEV: Even if the latch terminator is foldable we can't deduce the result of an unrel...
Benjamin Kramer [Tue, 27 Nov 2012 18:16:32 +0000 (18:16 +0000)]
SCEV: Even if the latch terminator is foldable we can't deduce the result of an unrelated condition with it.

Fixes PR14432.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168711 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoX86: do not fold load instructions such as [V]MOVS[S|D] to other instructions
Manman Ren [Tue, 27 Nov 2012 18:09:26 +0000 (18:09 +0000)]
X86: do not fold load instructions such as [V]MOVS[S|D] to other instructions
when the destination register is wider than the memory load.

These load instructions load from m32 or m64 and set the upper bits to zero,
while the folded instructions may accept m128.

rdar://12721174

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168710 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTest commit only modifying comments
Pedro Artigas [Tue, 27 Nov 2012 17:39:20 +0000 (17:39 +0000)]
Test commit only modifying comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168709 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch implements medium code model support for 64-bit PowerPC.
Bill Schmidt [Tue, 27 Nov 2012 17:35:46 +0000 (17:35 +0000)]
This patch implements medium code model support for 64-bit PowerPC.

The default for 64-bit PowerPC is small code model, in which TOC entries
must be addressable using a 16-bit offset from the TOC pointer.  Additionally,
only TOC entries are addressed via the TOC pointer.

With medium code model, TOC entries and data sections can all be addressed
via the TOC pointer using a 32-bit offset.  Cooperation with the linker
allows 16-bit offsets to be used when these are sufficient, reducing the
number of extra instructions that need to be executed.  Medium code model
also does not generate explicit TOC entries in ".section toc" for variables
that are wholly internal to the compilation unit.

Consider a load of an external 4-byte integer.  With small code model, the
compiler generates:

ld 3, .LC1@toc(2)
lwz 4, 0(3)

.section .toc,"aw",@progbits
.LC1:
.tc ei[TC],ei

With medium model, it instead generates:

addis 3, 2, .LC1@toc@ha
ld 3, .LC1@toc@l(3)
lwz 4, 0(3)

.section .toc,"aw",@progbits
.LC1:
.tc ei[TC],ei

Here .LC1@toc@ha is a relocation requesting the upper 16 bits of the
32-bit offset of ei's TOC entry from the TOC base pointer.  Similarly,
.LC1@toc@l is a relocation requesting the lower 16 bits.  Note that if
the linker determines that ei's TOC entry is within a 16-bit offset of
the TOC base pointer, it will replace the "addis" with a "nop", and
replace the "ld" with the identical "ld" instruction from the small
code model example.

Consider next a load of a function-scope static integer.  For small code
model, the compiler generates:

ld 3, .LC1@toc(2)
lwz 4, 0(3)

.section .toc,"aw",@progbits
.LC1:
.tc test_fn_static.si[TC],test_fn_static.si
.type test_fn_static.si,@object
.local test_fn_static.si
.comm test_fn_static.si,4,4

For medium code model, the compiler generates:

addis 3, 2, test_fn_static.si@toc@ha
addi 3, 3, test_fn_static.si@toc@l
lwz 4, 0(3)

.type test_fn_static.si,@object
.local test_fn_static.si
.comm test_fn_static.si,4,4

Again, the linker may replace the "addis" with a "nop", calculating only
a 16-bit offset when this is sufficient.

Note that it would be more efficient for the compiler to generate:

addis 3, 2, test_fn_static.si@toc@ha
        lwz 4, test_fn_static.si@toc@l(3)

The current patch does not perform this optimization yet.  This will be
addressed as a peephole optimization in a later patch.

For the moment, the default code model for 64-bit PowerPC will remain the
small code model.  We plan to eventually change the default to medium code
model, which matches current upstream GCC behavior.  Note that the different
code models are ABI-compatible, so code compiled with different models will
be linked and execute correctly.

I've tested the regression suite and the application/benchmark test suite in
two ways:  Once with the patch as submitted here, and once with additional
logic to force medium code model as the default.  The tests all compile
cleanly, with one exception.  The mandel-2 application test fails due to an
unrelated ABI compatibility with passing complex numbers.  It just so happens
that small code model was incredibly lucky, in that temporary values in
floating-point registers held the expected values needed by the external
library routine that was called incorrectly.  My current thought is to correct
the ABI problems with _Complex before making medium code model the default,
to avoid introducing this "regression."

Here are a few comments on how the patch works, since the selection code
can be difficult to follow:

The existing logic for small code model defines three pseudo-instructions:
LDtoc for most uses, LDtocJTI for jump table addresses, and LDtocCPT for
constant pool addresses.  These are expanded by SelectCodeCommon().  The
pseudo-instruction approach doesn't work for medium code model, because
we need to generate two instructions when we match the same pattern.
Instead, new logic in PPCDAGToDAGISel::Select() intercepts the TOC_ENTRY
node for medium code model, and generates an ADDIStocHA followed by either
a LDtocL or an ADDItocL.  These new node types correspond naturally to
the sequences described above.

The addis/ld sequence is generated for the following cases:
 * Jump table addresses
 * Function addresses
 * External global variables
 * Tentative definitions of global variables (common linkage)

The addis/addi sequence is generated for the following cases:
 * Constant pool entries
 * File-scope static global variables
 * Function-scope static variables

Expanding to the two-instruction sequences at select time exposes the
instructions to subsequent optimization, particularly scheduling.

The rest of the processing occurs at assembly time, in
PPCAsmPrinter::EmitInstruction.  Each of the instructions is converted to
a "real" PowerPC instruction.  When a TOC entry needs to be created, this
is done here in the same manner as for the existing LDtoc, LDtocJTI, and
LDtocCPT pseudo-instructions (I factored out a new routine to handle this).

I had originally thought that if a TOC entry was needed for LDtocL or
ADDItocL, it would already have been generated for the previous ADDIStocHA.
However, at higher optimization levels, the ADDIStocHA may appear in a
different block, which may be assembled textually following the block
containing the LDtocL or ADDItocL.  So it is necessary to include the
possibility of creating a new TOC entry for those two instructions.

Note that for LDtocL, we generate a new form of LD called LDrs.  This
allows specifying the @toc@l relocation for the offset field of the LD
instruction (i.e., the offset is replaced by a SymbolLo relocation).
When the peephole optimization described above is added, we will need
to do similar things for all immediate-form load and store operations.

The seven "mcm-n.ll" test cases are kept separate because otherwise the
intermingling of various TOC entries and so forth makes the tests fragile
and hard to understand.

The above assumes use of an external assembler.  For use of the
integrated assembler, new relocations are added and used by
PPCELFObjectWriter.  Testing is done with "mcm-obj.ll", which tests for
proper generation of the various relocations for the same sequences
tested with the external assembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168708 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoNever use .lcomm on platforms where it does not accept an alignment
Ulrich Weigand [Tue, 27 Nov 2012 16:11:16 +0000 (16:11 +0000)]
Never use .lcomm on platforms where it does not accept an alignment
argument.  Instead, use a pair of .local and .comm directives.

This avoids spurious differences between binaries built by the
integrated assembler vs. those built by the external assembler,
since the external assembler may impose alignment requirements
on .lcomm symbols where the integrated assembler does not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168704 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove sprintf simplifier tests to test/Transforms/InstCombine
Meador Inge [Tue, 27 Nov 2012 15:35:58 +0000 (15:35 +0000)]
Move sprintf simplifier tests to test/Transforms/InstCombine

The tests from SPrintF.ll should have been migrated to sprintf-1.ll in
r168677, but I forgot to do it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168702 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove the dependent libraries feature.
Bill Wendling [Tue, 27 Nov 2012 09:55:56 +0000 (09:55 +0000)]
Remove the dependent libraries feature.

The dependent libraries feature was never used and has bit-rotted. Remove it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168694 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm/test/Transforms/SimplifyLibCalls: FileCheck-ize 3 tests.
NAKAMURA Takumi [Tue, 27 Nov 2012 08:18:23 +0000 (08:18 +0000)]
llvm/test/Transforms/SimplifyLibCalls: FileCheck-ize 3 tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168691 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm/test/Transforms/SimplifyLibCalls/SPrintF.ll: Handle @sprintf() with -instcombine...
NAKAMURA Takumi [Tue, 27 Nov 2012 08:18:15 +0000 (08:18 +0000)]
llvm/test/Transforms/SimplifyLibCalls/SPrintF.ll: Handle @sprintf() with -instcombine, not -simplify-libcalls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168690 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm/test/Transforms/SimplifyLibCalls/SPrintF.ll: Fix datalayout since r168516.
NAKAMURA Takumi [Tue, 27 Nov 2012 08:18:08 +0000 (08:18 +0000)]
llvm/test/Transforms/SimplifyLibCalls/SPrintF.ll: Fix datalayout since r168516.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168689 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTrailing linefeeds.
NAKAMURA Takumi [Tue, 27 Nov 2012 08:17:58 +0000 (08:17 +0000)]
Trailing linefeeds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168688 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert accidental commit.
Craig Topper [Tue, 27 Nov 2012 08:17:04 +0000 (08:17 +0000)]
Revert accidental commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168687 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake PrintReg constructor explicit to prevent weird implicit conversions from acciden...
Craig Topper [Tue, 27 Nov 2012 08:14:24 +0000 (08:14 +0000)]
Make PrintReg constructor explicit to prevent weird implicit conversions from accidentally being triggered.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168686 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd ENABLE_CXX11 and ENABLE_WERROR to Makefile.llvm.rules for sample project. They...
Craig Topper [Tue, 27 Nov 2012 08:12:24 +0000 (08:12 +0000)]
Add ENABLE_CXX11 and ENABLE_WERROR to Makefile.llvm.rules for sample project. They were previously added to Makefile.llvm.config.in but the consumption was missing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168685 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agotsan: instrument atomic nand operation
Dmitry Vyukov [Tue, 27 Nov 2012 08:09:25 +0000 (08:09 +0000)]
tsan: instrument atomic nand operation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168684 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd test cases for r168417.
Craig Topper [Tue, 27 Nov 2012 07:19:54 +0000 (07:19 +0000)]
Add test cases for r168417.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168681 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert rearrangement of debug info sections to unblock the bots
Eric Christopher [Tue, 27 Nov 2012 06:49:23 +0000 (06:49 +0000)]
Revert rearrangement of debug info sections to unblock the bots
and O0 + debug codegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168680 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agotest/Transforms/SimplifyLibCalls/SPrintF.ll: Suppress this for now. r168677 unveiled...
NAKAMURA Takumi [Tue, 27 Nov 2012 06:42:48 +0000 (06:42 +0000)]
test/Transforms/SimplifyLibCalls/SPrintF.ll: Suppress this for now. r168677 unveiled another failure.

FYI, this test makes no sense with "not grep"... I saw "assertion failure" in stderr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168679 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoModify depends(Src, Dst, PossiblyLoopIndependent).
Preston Briggs [Tue, 27 Nov 2012 06:41:46 +0000 (06:41 +0000)]
Modify depends(Src, Dst, PossiblyLoopIndependent).
If the Src and Dst are the same instruction,
no loop-independent dependence is possible,
so we force the PossiblyLoopIndependent flag to false.

The test case results are updated appropriately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168678 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate sprintf optimizations
Meador Inge [Tue, 27 Nov 2012 05:57:54 +0000 (05:57 +0000)]
instcombine: Migrate sprintf optimizations

This patch migrates the sprintf optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168677 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unneeded #include.
Jakub Staszak [Tue, 27 Nov 2012 02:00:27 +0000 (02:00 +0000)]
Remove unneeded #include.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168670 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThe section is .debug_line.
Eric Christopher [Tue, 27 Nov 2012 01:40:36 +0000 (01:40 +0000)]
The section is .debug_line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168666 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake building of llvm-jitlistener conditional on the USE_INTEL_JITEVENTS setting.
Andrew Kaylor [Tue, 27 Nov 2012 01:24:25 +0000 (01:24 +0000)]
Make building of llvm-jitlistener conditional on the USE_INTEL_JITEVENTS setting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168665 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unneeded #include.
Jakub Staszak [Tue, 27 Nov 2012 01:22:15 +0000 (01:22 +0000)]
Remove unneeded #include.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168664 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm/CodeGen: Remove empty files in r168659.
NAKAMURA Takumi [Tue, 27 Nov 2012 01:21:50 +0000 (01:21 +0000)]
llvm/CodeGen: Remove empty files in r168659.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168663 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCode pretification
Joe Abbey [Tue, 27 Nov 2012 01:20:22 +0000 (01:20 +0000)]
Code pretification

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168661 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unused forward declaration.
Jakub Staszak [Tue, 27 Nov 2012 01:16:37 +0000 (01:16 +0000)]
Remove unused forward declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168660 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unused MachineLoopRanges analysis.
Jakub Staszak [Tue, 27 Nov 2012 01:14:34 +0000 (01:14 +0000)]
Remove unused MachineLoopRanges analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168659 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoExtend test case for r168657.
Chad Rosier [Tue, 27 Nov 2012 01:10:48 +0000 (01:10 +0000)]
Extend test case for r168657.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168658 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[arm fast-isel] Appease the machine verifier by using the proper register
Chad Rosier [Tue, 27 Nov 2012 01:06:49 +0000 (01:06 +0000)]
[arm fast-isel] Appease the machine verifier by using the proper register
classes.  The associated test case still doesn't pass, but it does have far
fewer issues.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168657 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math test for SimplifyInstruction: fold multiply by 0
Michael Ilseman [Tue, 27 Nov 2012 01:00:22 +0000 (01:00 +0000)]
Fast-math test for SimplifyInstruction: fold multiply by 0

Applied the patch, rather than committing it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168656 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r168635 "Step towards implementation of pass manager with doInitialization...
Owen Anderson [Tue, 27 Nov 2012 00:53:24 +0000 (00:53 +0000)]
Revert r168635 "Step towards implementation of pass manager with doInitialization and doFinalization per module detangled from runOn?? calls, still has temporary code not to break ASAN to be removed when that pass conforms to the proposed model".
It appears to have broken at least one buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168654 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove some Clang-specific ownership roles.
Richard Smith [Tue, 27 Nov 2012 00:48:36 +0000 (00:48 +0000)]
Remove some Clang-specific ownership roles.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168653 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math flags documentation added to LangRef
Michael Ilseman [Tue, 27 Nov 2012 00:48:29 +0000 (00:48 +0000)]
Fast-math flags documentation added to LangRef

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168652 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm/test/CodeGen/X86/2012-07-15-broadcastfold.ll: Loosen expression corresponding...
NAKAMURA Takumi [Tue, 27 Nov 2012 00:48:27 +0000 (00:48 +0000)]
llvm/test/CodeGen/X86/2012-07-15-broadcastfold.ll: Loosen expression corresponding to r168627. Win32 and *bsd were affected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168651 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math test for SimplifyInstruction: fold multiply by 0
Michael Ilseman [Tue, 27 Nov 2012 00:47:20 +0000 (00:47 +0000)]
Fast-math test for SimplifyInstruction: fold multiply by 0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168649 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math optimization: fold multiply by zero
Michael Ilseman [Tue, 27 Nov 2012 00:46:26 +0000 (00:46 +0000)]
Fast-math optimization: fold multiply by zero

Added in first optimization using fast-math flags to serve as an example for following optimizations. SimplifyInstruction will now try to optimize an fmul observing its FastMathFlags to see if it can fold multiply by zero when 'nnan' and 'nsz' flags are set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168648 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math test case for bitcode and textual reading/writing
Michael Ilseman [Tue, 27 Nov 2012 00:45:08 +0000 (00:45 +0000)]
Fast-math test case for bitcode and textual reading/writing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168647 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math flags for the bitcode
Michael Ilseman [Tue, 27 Nov 2012 00:43:38 +0000 (00:43 +0000)]
Fast-math flags for the bitcode

Added in bitcode enum for the serializing of fast-math flags. Added in the reading/writing of fast-math flags from the OptimizationFlags record for BinaryOps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168646 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math flags for LLVM IR parsing and printing
Michael Ilseman [Tue, 27 Nov 2012 00:42:44 +0000 (00:42 +0000)]
Fast-math flags for LLVM IR parsing and printing

Added in the ability to read LLVM IR text that contains fast-math flags as a sequence of capital letters separated by spaces in any order. Added in the printing of the fast-math flags in a canonical order, and don't print the other flags when 'fast' is specified, as 'fast' implies all the others.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168645 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake comment names match function names.
Eric Christopher [Tue, 27 Nov 2012 00:41:57 +0000 (00:41 +0000)]
Make comment names match function names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168644 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd in sections for the fission case (no change so incorrect) and
Eric Christopher [Tue, 27 Nov 2012 00:41:54 +0000 (00:41 +0000)]
Add in sections for the fission case (no change so incorrect) and
add a TODO for starting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168643 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math interfaces for Instructions
Michael Ilseman [Tue, 27 Nov 2012 00:41:22 +0000 (00:41 +0000)]
Fast-math interfaces for Instructions

Add in getter/setter methods for Instructions, allowing them to be the interface to FPMathOperator similarly to now NUS/NSW is handled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168642 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math flags added to FPMathOperator.
Michael Ilseman [Tue, 27 Nov 2012 00:40:00 +0000 (00:40 +0000)]
Fast-math flags added to FPMathOperator.

Created FastMathFlags convenience struct for the getting and setting of fast-math flags en masse. Added SubclassOptionalData bitfields and corresponding getters/setters to FPMathOperator for the various fast-math flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168641 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove Clang code owners list from llvm/ to cfe/.
Richard Smith [Tue, 27 Nov 2012 00:39:52 +0000 (00:39 +0000)]
Move Clang code owners list from llvm/ to cfe/.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168640 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReorder section output ordering.
Eric Christopher [Tue, 27 Nov 2012 00:13:58 +0000 (00:13 +0000)]
Reorder section output ordering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168638 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhitespace cleanup.
Eric Christopher [Tue, 27 Nov 2012 00:13:51 +0000 (00:13 +0000)]
Whitespace cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168637 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoStep towards implementation of pass manager with doInitialization and doFinalization...
Owen Anderson [Mon, 26 Nov 2012 23:54:47 +0000 (23:54 +0000)]
Step towards implementation of pass manager with doInitialization and doFinalization per module detangled from runOn?? calls, still has temporary code not to break ASAN to be removed when that pass conforms to the proposed model

Patch by Pedro Artigas, with feedback from by Chandler Carruth.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168635 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd an assertion to ensure freezeReservedRegs() is only ever called once.
Chad Rosier [Mon, 26 Nov 2012 23:37:07 +0000 (23:37 +0000)]
Add an assertion to ensure freezeReservedRegs() is only ever called once.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168633 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake this test less sensitive.
Eli Bendersky [Mon, 26 Nov 2012 23:27:09 +0000 (23:27 +0000)]
Make this test less sensitive.

It currently assumes register numbering and any harmless change in the X86
register naming makes it fail. It's enough to match the register names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168632 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoNow that the X86 Maximal Stack Alignment Check pass has been removed (i.e.,
Chad Rosier [Mon, 26 Nov 2012 23:25:41 +0000 (23:25 +0000)]
Now that the X86 Maximal Stack Alignment Check pass has been removed (i.e.,
r168627), we no longer need to call the freezeReservedRegs() function a second
time.  Previously, this pass was conservatively adding the FP to the set of
reserved registers, requiring the second update to the reserved registers.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168631 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoNow that the X86 Maximal Stack Alignment Check pass has been removed (i.e.,
Chad Rosier [Mon, 26 Nov 2012 23:14:37 +0000 (23:14 +0000)]
Now that the X86 Maximal Stack Alignment Check pass has been removed (i.e.,
r168627), we no longer need to call the freezeReservedRegs() function a second
time.  Previously, this pass was conservatively adding the FP to the set of
reserved registers, requiring the second update to the reserved registers.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168630 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoGet rid of the getPointeeAlignment helper function from
Eli Friedman [Mon, 26 Nov 2012 23:04:53 +0000 (23:04 +0000)]
Get rid of the getPointeeAlignment helper function from
InstCombineLoadStoreAlloca.cpp, which had many issues.
(At least two bugs were noted on llvm-commits, and it was overly conservative.)
Instead, use getOrEnforceKnownAlignment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168629 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove the X86 Maximal Stack Alignment Check pass as it is no longer necessary.
Chad Rosier [Mon, 26 Nov 2012 22:55:05 +0000 (22:55 +0000)]
Remove the X86 Maximal Stack Alignment Check pass as it is no longer necessary.
This pass was conservative in that it always reserved the FP to enable dynamic
stack realignment, which allowed the RA to use aligned spills for vector
registers.  This happens even when spills were not necessary.  The RA has
since been improved to use unaligned spills when necessary.

The new behavior is to realign the stack if the frame pointer was already
reserved for some other reason, but don't reserve the frame pointer just
because a function contains vector virtual registers.

Part of rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168627 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDon't use iterator after being erased.
Jakub Staszak [Mon, 26 Nov 2012 22:14:19 +0000 (22:14 +0000)]
Don't use iterator after being erased.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168622 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCorrect copy-pasto where we're talking about function attributes and not parameter...
Bill Wendling [Mon, 26 Nov 2012 22:04:13 +0000 (22:04 +0000)]
Correct copy-pasto where we're talking about function attributes and not parameter attributes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168619 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix comments in HexagonOperands.td.
Jyotsna Verma [Mon, 26 Nov 2012 21:56:51 +0000 (21:56 +0000)]
Fix comments in HexagonOperands.td.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168617 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agordar://12329730 (defect 2)
Shuxin Yang [Mon, 26 Nov 2012 21:44:25 +0000 (21:44 +0000)]
rdar://12329730 (defect 2)

Enhancement to InstCombine. Try to catch this opportunity:

 ---------------------------------------------------------------
 ((X^C1) >> C2) ^ C3  => (X>>C2) ^ ((C1>>C2)^C3)
  where the subexpression "X ^ C1" has more than one uses, and
  "(X^C1) >> C2" has single use.
 ----------------------------------------------------------------

 Reviewed by Nadav (with minor change per his request).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168615 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unneeded #includes.
Jakub Staszak [Mon, 26 Nov 2012 21:04:19 +0000 (21:04 +0000)]
Remove unneeded #includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168608 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a comment bug in toascii simplifier
Meador Inge [Mon, 26 Nov 2012 20:37:23 +0000 (20:37 +0000)]
Fix a comment bug in toascii simplifier

When I migrated the toascii simplifier in r168580 Benjamin Kramer noticed
a bug in one of the comments that I migrated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168605 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate printf optimizations
Meador Inge [Mon, 26 Nov 2012 20:37:20 +0000 (20:37 +0000)]
instcombine: Migrate printf optimizations

This patch migrates the printf optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168604 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove the code that uses SCEVs prior to creating the new loops.
Nadav Rotem [Mon, 26 Nov 2012 19:51:46 +0000 (19:51 +0000)]
Move the code that uses SCEVs prior to creating the new loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168601 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoNormalize splat 256bit vectors with 8 elements.
Jakub Staszak [Mon, 26 Nov 2012 19:24:31 +0000 (19:24 +0000)]
Normalize splat 256bit vectors with 8 elements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168600 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDecouple MCInstBuilder from the streamer per Eli's request.
Benjamin Kramer [Mon, 26 Nov 2012 18:05:52 +0000 (18:05 +0000)]
Decouple MCInstBuilder from the streamer per Eli's request.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168597 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove stray trailing backslash
Matt Beaumont-Gay [Mon, 26 Nov 2012 16:27:22 +0000 (16:27 +0000)]
Remove stray trailing backslash

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168592 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agotsan: fix lint warnings
Dmitry Vyukov [Mon, 26 Nov 2012 14:55:26 +0000 (14:55 +0000)]
tsan: fix lint warnings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168590 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRewrite test to not use a FileCheck variable and redefine it on the same line.
Eli Bendersky [Mon, 26 Nov 2012 14:09:46 +0000 (14:09 +0000)]
Rewrite test to not use a FileCheck variable and redefine it on the same line.

In preparation for the FileCheck functionality change which will allow using
a variable later on the same line.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168588 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd MCInstBuilder, a utility class to simplify MCInst creation similar to MachineInst...
Benjamin Kramer [Mon, 26 Nov 2012 13:34:22 +0000 (13:34 +0000)]
Add MCInstBuilder, a utility class to simplify MCInst creation similar to MachineInstrBuilder.

Simplify some repetitive code with it. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168587 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[tsan] add fail order to compare_exchange
Dmitry Vyukov [Mon, 26 Nov 2012 11:36:19 +0000 (11:36 +0000)]
[tsan] add fail order to compare_exchange

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168586 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a PassManager pointer use-after-free bug.
Zhou Sheng [Mon, 26 Nov 2012 05:45:53 +0000 (05:45 +0000)]
Fix a PassManager pointer use-after-free bug.
The bug can be triggered when we require LoopInfo analysis ahead of DominatorTree construction in a Module Pass. The cause is that the LoopInfo analysis itself also invokes DominatorTree construction, therefore, when PassManager schedules LoopInfo, it will add DominatorTree first. Then after that, when the PassManger turns to schedule DominatorTree invoked by the above ModulePass, it finds there is already a DominatorTree, so it delete the redundant one. However, somehow it still try to access that pass pointer after free as code pasted below, which results in segment fault.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168581 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate toascii optimizations
Meador Inge [Mon, 26 Nov 2012 03:38:52 +0000 (03:38 +0000)]
instcombine: Migrate toascii optimizations

This patch migrates the toascii optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168580 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate isascii optimizations
Meador Inge [Mon, 26 Nov 2012 03:10:07 +0000 (03:10 +0000)]
instcombine: Migrate isascii optimizations

This patch migrates the isascii optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168579 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate isdigit optimizations
Meador Inge [Mon, 26 Nov 2012 02:31:59 +0000 (02:31 +0000)]
instcombine: Migrate isdigit optimizations

This patch migrates the isdigit optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168578 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemoving SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG
Joe Abbey [Mon, 26 Nov 2012 02:02:08 +0000 (02:02 +0000)]
Removing SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG

Adding CXX_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG
       C_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG

This is to handle the wackiness on a Mac host where cmake detects:

CMAKE_CXX_COMPILER == "/usr/bin/c++"
CMAKE_C_COMPILER == "/usr/bin/gcc"

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168577 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix gcc's -Wunused-but-set-variable warnings.
Rafael Espindola [Mon, 26 Nov 2012 00:56:44 +0000 (00:56 +0000)]
Fix gcc's -Wunused-but-set-variable warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168576 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix bogus comment; no functional change.
Meador Inge [Mon, 26 Nov 2012 00:25:33 +0000 (00:25 +0000)]
Fix bogus comment;  no functional change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168575 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate *abs optimizations
Meador Inge [Mon, 26 Nov 2012 00:24:07 +0000 (00:24 +0000)]
instcombine: Migrate *abs optimizations

This patch migrates the *abs optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168574 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate ffs* optimizations
Meador Inge [Sun, 25 Nov 2012 20:45:27 +0000 (20:45 +0000)]
instcombine: Migrate ffs* optimizations

This patch migrates the ffs* optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168571 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove the max vector width to a constant parameter. No functionality change.
Nadav Rotem [Sun, 25 Nov 2012 16:48:08 +0000 (16:48 +0000)]
Move the max vector width to a constant parameter. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168570 91177308-0d34-0410-b5e6-96231b3b80d8