oota-llvm.git
11 years agoConstantFold: Check that truncating the other side is safe under a sext when trying...
Benjamin Kramer [Sun, 30 Jun 2013 13:47:43 +0000 (13:47 +0000)]
ConstantFold: Check that truncating the other side is safe under a sext when trying to remove a sext from a compare.

Fixes PR16462.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185284 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoValueTracking: Teach isKnownToBeAPowerOfTwo about (ADD X, (XOR X, Y)) where X is...
David Majnemer [Sat, 29 Jun 2013 23:44:53 +0000 (23:44 +0000)]
ValueTracking: Teach isKnownToBeAPowerOfTwo about (ADD X, (XOR X, Y)) where X is a power of two

This allows us to simplify urem instructions involving the add+xor to
turn into simpler math.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185272 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoNVPTX: Fold otherwise unused variable into assert.
Benjamin Kramer [Sat, 29 Jun 2013 22:51:12 +0000 (22:51 +0000)]
NVPTX: Fold otherwise unused variable into assert.

Avoids unused variable warnings in release builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185271 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstCombine: Also turn selects fed by an and into arithmetic when the types don't...
Benjamin Kramer [Sat, 29 Jun 2013 21:17:04 +0000 (21:17 +0000)]
InstCombine: Also turn selects fed by an and into arithmetic when the types don't match.

Inserting a zext or trunc is sufficient. This pattern is somewhat common in
LLVM's pointer mangling code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185270 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Unbreak GCC build.
Benjamin Kramer [Sat, 29 Jun 2013 20:04:19 +0000 (20:04 +0000)]
R600: Unbreak GCC build.

operator++ on an enum is not legal. clang happens to accept it anyways, I think
that's a known bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185269 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Support schedule and packetization of trans-only inst
Vincent Lejeune [Sat, 29 Jun 2013 19:32:43 +0000 (19:32 +0000)]
R600: Support schedule and packetization of trans-only inst

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185268 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Bank Swizzle now display SCL equivalent
Vincent Lejeune [Sat, 29 Jun 2013 19:32:29 +0000 (19:32 +0000)]
R600: Bank Swizzle now display SCL equivalent

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185267 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agomisched: Compress pairs returned by getUnderlyingObjectsForInstr.
Benjamin Kramer [Sat, 29 Jun 2013 18:41:17 +0000 (18:41 +0000)]
misched: Compress pairs returned by getUnderlyingObjectsForInstr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185266 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorizer: Pack MemAccessInfo pairs.
Benjamin Kramer [Sat, 29 Jun 2013 17:52:08 +0000 (17:52 +0000)]
LoopVectorizer: Pack MemAccessInfo pairs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185263 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove helper classes into anonymous namespaces.
Benjamin Kramer [Sat, 29 Jun 2013 17:02:06 +0000 (17:02 +0000)]
Move helper classes into anonymous namespaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185262 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstCombine: FoldGEPICmp shouldn't change sign of base pointer comparison
David Majnemer [Sat, 29 Jun 2013 10:28:04 +0000 (10:28 +0000)]
InstCombine: FoldGEPICmp shouldn't change sign of base pointer comparison

Changing the sign when comparing the base pointer would introduce all
sorts of unexpected things like:
  %gep.i = getelementptr inbounds [1 x i8]* %a, i32 0, i32 0
  %gep2.i = getelementptr inbounds [1 x i8]* %b, i32 0, i32 0
  %cmp.i = icmp ult i8* %gep.i, %gep2.i
  %cmp.i1 = icmp ult [1 x i8]* %a, %b
  %cmp = icmp ne i1 %cmp.i, %cmp.i1
  ret i1 %cmp

into:
  %cmp.i = icmp slt [1 x i8]* %a, %b
  %cmp.i1 = icmp ult [1 x i8]* %a, %b
  %cmp = xor i1 %cmp.i, %cmp.i1
  ret i1 %cmp

By preserving the original sign, we now get:
  ret i1 false

This fixes PR16483.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185259 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstCombine: Small whitespace cleanup in FoldGEPICmp
David Majnemer [Sat, 29 Jun 2013 09:45:35 +0000 (09:45 +0000)]
InstCombine: Small whitespace cleanup in FoldGEPICmp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185258 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstCombine: Be more agressive optimizing 'udiv' instrs with 'select' denoms
David Majnemer [Sat, 29 Jun 2013 08:40:07 +0000 (08:40 +0000)]
InstCombine: Be more agressive optimizing 'udiv' instrs with 'select' denoms

Real world code sometimes has the denominator of a 'udiv' be a
'select'.  LLVM can handle such cases but only when the 'select'
operands are symmetric in structure (both select operands are a constant
power of two or a left shift, etc.).  This falls apart if we are dealt a
'udiv' where the code is not symetric or if the select operands lead us
to more select instructions.

Instead, we should treat the LHS and each select operand as a distinct
divide operation and try to optimize them independently.  If we can
to simplify each operation, then we can replace the 'udiv' with, say, a
'lshr' that has a new select with a bunch of new operands for the
select.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185257 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWe preserve the CFG and some of the analysis passes.
Nadav Rotem [Sat, 29 Jun 2013 05:38:15 +0000 (05:38 +0000)]
We preserve the CFG and some of the analysis passes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185251 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUpdate docs.
Nadav Rotem [Sat, 29 Jun 2013 05:37:19 +0000 (05:37 +0000)]
Update docs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185250 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDebug Info: clean up usage of Verify.
Manman Ren [Sat, 29 Jun 2013 05:01:19 +0000 (05:01 +0000)]
Debug Info: clean up usage of Verify.

No functionality change.
It should suffice to check the type of a debug info metadata, instead of
calling Verify. For cases where we know the type of a DI metadata, use
assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185249 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoChange assert(0 && "text") to llvm_unreachable(0 && "text")
Richard Trieu [Fri, 28 Jun 2013 23:46:19 +0000 (23:46 +0000)]
Change assert(0 && "text") to llvm_unreachable(0 && "text")

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185243 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstCombine: Optimize (1 << X) Pred CstP2 to X Pred Log2(CstP2)
David Majnemer [Fri, 28 Jun 2013 23:42:03 +0000 (23:42 +0000)]
InstCombine: Optimize (1 << X) Pred CstP2 to X Pred Log2(CstP2)

We may, after other optimizations, find ourselves with IR that looks
like:

  %shl = shl i32 1, %y
  %cmp = icmp ult i32 %shl, 32

Instead, we should just compare the shift count:

  %cmp = icmp ult i32 %y, 5

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185242 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoextending the interface of Dependence slightly to support future work
Preston Briggs [Fri, 28 Jun 2013 23:34:23 +0000 (23:34 +0000)]
extending the interface of Dependence slightly to support future work

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185241 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix copypaste error in test.
Matt Arsenault [Fri, 28 Jun 2013 23:24:10 +0000 (23:24 +0000)]
Fix copypaste error in test.

Thename says it's an i32*, but it was actually creating another i8*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185239 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix extra whitespace / formatting
Matt Arsenault [Fri, 28 Jun 2013 23:24:05 +0000 (23:24 +0000)]
Fix extra whitespace / formatting

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185238 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTry to unbreak Linux buildbots.
Jakob Stoklund Olesen [Fri, 28 Jun 2013 22:54:16 +0000 (22:54 +0000)]
Try to unbreak Linux buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185237 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMinimize precision loss when computing cyclic probabilities.
Jakob Stoklund Olesen [Fri, 28 Jun 2013 22:40:43 +0000 (22:40 +0000)]
Minimize precision loss when computing cyclic probabilities.

Allow block frequencies to exceed 32 bits by using the new
BlockFrequency division function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185236 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoPPC: Ignore spill/restore requests for VRSAVE (except on Darwin)
Hal Finkel [Fri, 28 Jun 2013 22:29:56 +0000 (22:29 +0000)]
PPC: Ignore spill/restore requests for VRSAVE (except on Darwin)

This fixes PR16418, which reports that a function calling
__builtin_unwind_init() asserts. The cause is that this generates a
spill/restore for VRSAVE, and we support that only on Darwin (because VRSAVE is
only really used on Darwin).

The test case checks only that we don't crash. We can add correctness checks
once someone verifies what behavior the function is supposed to have.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185235 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReplace UNIXy path with os-independent one in DebugIR unit test
Daniel Malea [Fri, 28 Jun 2013 22:17:57 +0000 (22:17 +0000)]
Replace UNIXy path with os-independent one in DebugIR unit test
- should resolve windows buildbot failure

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185232 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSLP Vectorizer: Add support for trees with external users.
Nadav Rotem [Fri, 28 Jun 2013 22:07:09 +0000 (22:07 +0000)]
SLP Vectorizer:  Add support for trees with external users.

To support this we have to insert 'extractelement' instructions to pick the right lane.
We had this functionality before but I removed it when we moved to the multi-block design because it was too complicated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185230 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix broken asserts that never fire.
Richard Trieu [Fri, 28 Jun 2013 21:54:25 +0000 (21:54 +0000)]
Fix broken asserts that never fire.

Change assert("text") to assert(0 && "text").  The first case is a const char *
to bool conversion, which always evaluates to true, never triggering the
assert.  The second case will always trigger the assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185227 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a bad overflow check pointed out by Ben.
Jakob Stoklund Olesen [Fri, 28 Jun 2013 21:51:18 +0000 (21:51 +0000)]
Fix a bad overflow check pointed out by Ben.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185226 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix Windows/Darwin build error in DebugIR unit tests
Daniel Malea [Fri, 28 Jun 2013 21:49:53 +0000 (21:49 +0000)]
Fix Windows/Darwin build error in DebugIR unit tests
- mistakenly used get_current_dir() linux function
- replaced with getcwd/_getcwd as appropriate for current platform

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185225 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevising the MCJIT ObjectCache interface to allow subclasses to avoid retaining refer...
Andrew Kaylor [Fri, 28 Jun 2013 21:40:16 +0000 (21:40 +0000)]
Revising the MCJIT ObjectCache interface to allow subclasses to avoid retaining references to returned objects

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185221 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unused member
David Blaikie [Fri, 28 Jun 2013 21:28:01 +0000 (21:28 +0000)]
Remove unused member

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185219 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoEliminate an assortment of undefined behavior.
Jakob Stoklund Olesen [Fri, 28 Jun 2013 21:10:25 +0000 (21:10 +0000)]
Eliminate an assortment of undefined behavior.

Hopefully, this fixes the PPC64 buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185218 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorizer: Refactor the code that checks if it is safe to predicate blocks.
Nadav Rotem [Fri, 28 Jun 2013 20:46:27 +0000 (20:46 +0000)]
LoopVectorizer:  Refactor the code that checks if it is safe to predicate blocks.
In this code we keep track of pointers that we are allowed to read from, if they are accessed by non-predicated blocks.
We use this list to allow vectorization of conditional loads in predicated blocks because we know that these addresses don't segfault.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185214 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdding tests for DebugIR pass
Daniel Malea [Fri, 28 Jun 2013 20:37:20 +0000 (20:37 +0000)]
Adding tests for DebugIR pass
- lit tests verify that each line of input LLVM IR gets a !dbg node and a
  corresponding entry of metadata that contains the line number
- unit tests verify that DebugIR works as advertised in the interface
- refactored some useful IR generation functionality from the MCJIT unit tests
  so it can be reused

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185212 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600/SI: Add processor types for each CIK variant
Tom Stellard [Fri, 28 Jun 2013 20:23:29 +0000 (20:23 +0000)]
R600/SI: Add processor types for each CIK variant

Patch By: Alex Deucher

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185209 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix CodeGen/PowerPC/stack-protector.ll on OpenBSD
Hal Finkel [Fri, 28 Jun 2013 20:18:14 +0000 (20:18 +0000)]
Fix CodeGen/PowerPC/stack-protector.ll on OpenBSD

On OpenBSD, the stack-smash protection transform uses "__guard_local"
and "__stack_smash_handler" instead of "__stack_chk_guard" and
"__stack_chk_fail".  However, CodeGen/PowerPC/stack-protector.ll
doesn't specify a target OS, so on OpenBSD it fails.

Add -mtriple=ppc32-unknown-linux to make the test host-OS agnostic. While
there, convert to FileCheck.

Patch by Matthew Dempsky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185206 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDebugInfo: PR14728: TLS support
David Blaikie [Fri, 28 Jun 2013 20:05:11 +0000 (20:05 +0000)]
DebugInfo: PR14728: TLS support

Based on GCC's output for TLS variables (OP_constNu, x@dtpoff,
OP_lo_user), this implements debug info support for TLS in ELF. Verified
that this output is correct/sufficient on Linux (using gold - if you're
using binutils-ld, you'll need something with the fix for
http://sourceware.org/bugzilla/show_bug.cgi?id=15685 in it).

Support on non-ELF is sort of "arbitrary" at the moment - if Apple folks
want to discuss (or just go ahead & implement) how this should work in
MachO, etc, I'm open.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185203 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDebugInfo: Pass MCSymbolRefExprs for labels instead of MCSymbols
David Blaikie [Fri, 28 Jun 2013 20:05:04 +0000 (20:05 +0000)]
DebugInfo: Pass MCSymbolRefExprs for labels instead of MCSymbols

This is a precursor to adding debug info support for TLS which requires
non-default relocations applied to TLS symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185202 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a PPC rlwimi instruction-selection bug
Hal Finkel [Fri, 28 Jun 2013 20:00:07 +0000 (20:00 +0000)]
Fix a PPC rlwimi instruction-selection bug

Under certain (evidently rare) circumstances, this code used to convert OR(a,
AND(x, y)) into OR(a, x). This was incorrect.

While there, I've added a comment to the code immediately above.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185201 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove needless include (unistd.h) in DebugIR pass
Daniel Malea [Fri, 28 Jun 2013 19:19:44 +0000 (19:19 +0000)]
Remove needless include (unistd.h) in DebugIR pass
- should unbreak Windows builds

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185198 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd flag to lli to enable debugging of IR when used with MCJIT.
Daniel Malea [Fri, 28 Jun 2013 19:11:40 +0000 (19:11 +0000)]
Add flag to lli to enable debugging of IR when used with MCJIT.
- warn users when -debug-ir is used with old JIT engine (only partial debug
  info is available)

For example, to debug an IR file with GDB (that supports JIT registration), do:

$ gdb --args lli -use-mcjit -debug-ir testcase.ll
(gdb) break main
(gdb) run
<Process continues to lli main>
(gdb) continue
<Process continues to testcase.ll main()
(gdb) step
<Now stepping through the LLVM IR in testcase.ll>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185197 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd missing header for DebugIR
Daniel Malea [Fri, 28 Jun 2013 19:07:59 +0000 (19:07 +0000)]
Add missing header for DebugIR
- missed svn add...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185194 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove limitation on DebugIR that made it require existing debug metadata.
Daniel Malea [Fri, 28 Jun 2013 19:05:23 +0000 (19:05 +0000)]
Remove limitation on DebugIR that made it require existing debug metadata.
- Build debug metadata for 'bare' Modules using DIBuilder
- DebugIR can be constructed to generate an IR file (to be seen by a debugger)
  or not in cases where the user already has an IR file on disk.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185193 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix an off-by-one error. Also make the code a little more explicit in what it
Chad Rosier [Fri, 28 Jun 2013 18:57:01 +0000 (18:57 +0000)]
Fix an off-by-one error.  Also make the code a little more explicit in what it
is trying to do.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185191 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDebugInfo: Revise r185189 to avoid subtle 'unsigned += bool'
David Blaikie [Fri, 28 Jun 2013 18:55:13 +0000 (18:55 +0000)]
DebugInfo: Revise r185189 to avoid subtle 'unsigned += bool'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185190 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDebugInfo: Simplify the AddressPool representation
David Blaikie [Fri, 28 Jun 2013 18:47:19 +0000 (18:47 +0000)]
DebugInfo: Simplify the AddressPool representation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185189 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDebugInfo: constify the AddressPool MCSymbol pointers
David Blaikie [Fri, 28 Jun 2013 18:47:14 +0000 (18:47 +0000)]
DebugInfo: constify the AddressPool MCSymbol pointers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185188 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agogit-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185187 91177308-0d34-0410...
Preston Briggs [Fri, 28 Jun 2013 18:44:48 +0000 (18:44 +0000)]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185187 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd missing case to switch statement - DAGTypeLegalizer::ExpandIntegerResult
Lang Hames [Fri, 28 Jun 2013 18:36:42 +0000 (18:36 +0000)]
Add missing case to switch statement - DAGTypeLegalizer::ExpandIntegerResult
should expand ATOMIC_CMP_SWAP nodes the same way that it does for ATOMIC_SWAP.

Since ATOMIC_LOADs on some targets (e.g. older ARM variants) get legalized to
ATOMIC_CMP_SWAPs, the missing case had been causing i64 atomic loads to crash
during isel.

<rdar://problem/14074644>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185186 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoStylistic cleanups, no functional change.
Jakob Stoklund Olesen [Fri, 28 Jun 2013 18:33:19 +0000 (18:33 +0000)]
Stylistic cleanups, no functional change.

- Use static functions instead of anonymous namespace.
- Appease the Doxygen lobby.
- Use 0-based induction variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185185 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd a division operator to BlockFrequency.
Jakob Stoklund Olesen [Fri, 28 Jun 2013 18:23:42 +0000 (18:23 +0000)]
Add a division operator to BlockFrequency.

Allow a BlockFrequency to be divided by a non-zero BranchProbability
with saturating arithmetic. This will be used to compute the frequency
of a loop header given the probability of leaving the loop.

Our long division algorithm already saturates on overflow, so that was a
freebie.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185184 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unused variables.
Eric Christopher [Fri, 28 Jun 2013 18:03:54 +0000 (18:03 +0000)]
Remove unused variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185180 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Select -1 instead of 1 when anyextend'ing i1 types
Justin Holewinski [Fri, 28 Jun 2013 17:58:15 +0000 (17:58 +0000)]
[NVPTX] Select -1 instead of 1 when anyextend'ing i1 types

This makes it more consistent with the ZeroOrNegativeOneBooleanContent flag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185179 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Add (1.0 / sqrt(x)) => rsqrt(x) generation when allowable by FP flags
Justin Holewinski [Fri, 28 Jun 2013 17:58:13 +0000 (17:58 +0000)]
[NVPTX] Add (1.0 / sqrt(x)) => rsqrt(x) generation when allowable by FP flags

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185178 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Calling conventions fix
Justin Holewinski [Fri, 28 Jun 2013 17:58:10 +0000 (17:58 +0000)]
[NVPTX] Calling conventions fix

Fix ABI handling for function
returning bool -- use st.param.b32 to return the value
and use ld.param.b32 in caller to load the return value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185177 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Add support for cttz/ctlz/ctpop
Justin Holewinski [Fri, 28 Jun 2013 17:58:07 +0000 (17:58 +0000)]
[NVPTX] Add support for cttz/ctlz/ctpop

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185176 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Clean up comparison/select/convert patterns and factor out PTX instructions...
Justin Holewinski [Fri, 28 Jun 2013 17:58:04 +0000 (17:58 +0000)]
[NVPTX] Clean up comparison/select/convert patterns and factor out PTX instructions from their patterns

Test case is no breakage

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185175 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Remove i8 register class. PTX support for i8 (.b8, .u8, .s8) is rather poor...
Justin Holewinski [Fri, 28 Jun 2013 17:57:59 +0000 (17:57 +0000)]
[NVPTX] Remove i8 register class.  PTX support for i8 (.b8, .u8, .s8) is rather poor and we're better off just ignoring it and letting LLVM expand all i8 ops out to i16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185174 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Add support for vectorized function return values
Justin Holewinski [Fri, 28 Jun 2013 17:57:55 +0000 (17:57 +0000)]
[NVPTX] Add support for vectorized function return values

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185173 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Clean up handling of formal arguments and enable generation of vector paramet...
Justin Holewinski [Fri, 28 Jun 2013 17:57:53 +0000 (17:57 +0000)]
[NVPTX] Clean up handling of formal arguments and enable generation of vector parameter loads

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185172 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[NVPTX] Add infrastructure for vector loads/stores of parameters
Justin Holewinski [Fri, 28 Jun 2013 17:57:51 +0000 (17:57 +0000)]
[NVPTX] Add infrastructure for vector loads/stores of parameters

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185171 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoBug 13662: Enable GPRPair for all i64 operands of inline asm on ARM
Weiming Zhao [Fri, 28 Jun 2013 17:26:02 +0000 (17:26 +0000)]
Bug 13662: Enable GPRPair for all i64 operands of inline asm on ARM

This patch assigns paired GPRs  for inline asm with
64-bit data on ARM. It's enabled for both ARM and Thumb to support modifiers
like %H, %Q, %R.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185169 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorize: Pull dyn_cast into setDebugLocFromInst
Arnold Schwaighofer [Fri, 28 Jun 2013 17:14:48 +0000 (17:14 +0000)]
LoopVectorize: Pull dyn_cast into setDebugLocFromInst

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185168 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix bugpoint execution/reference output file name
Hal Finkel [Fri, 28 Jun 2013 16:37:52 +0000 (16:37 +0000)]
Fix bugpoint execution/reference output file name

sys::fs::unique_file will now loop infinitely if provided with a file name
without '%' characters and the input file already exists. As a result, bugpoint
cannot use a fixed file name for the execution output (including the reference
output).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185166 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorize: Use static function instead of DebugLocSetter class
Arnold Schwaighofer [Fri, 28 Jun 2013 16:26:54 +0000 (16:26 +0000)]
LoopVectorize: Use static function instead of DebugLocSetter class

I used the class to safely reset the state of the builder's debug location.  I
think I have caught all places where we need to set the debug location to a new
one. Therefore, we can replace the class by a function that just sets the debug
location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185165 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Add local memory support via LDS
Tom Stellard [Fri, 28 Jun 2013 15:47:08 +0000 (15:47 +0000)]
R600: Add local memory support via LDS

Reviewed-by: Vincent Lejeune<vljn at ovi.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185162 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Add support for GROUP_BARRIER instruction
Tom Stellard [Fri, 28 Jun 2013 15:46:59 +0000 (15:46 +0000)]
R600: Add support for GROUP_BARRIER instruction

Reviewed-by: Vincent Lejeune<vljn at ovi.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185161 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Add ALUInst bit to tablegen definitions v2
Tom Stellard [Fri, 28 Jun 2013 15:46:53 +0000 (15:46 +0000)]
R600: Add ALUInst bit to tablegen definitions v2

v2:
  - Remove functions left over from a previous rebase.

Reviewed-by: Vincent Lejeune<vljn at ovi.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185160 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoARM: ensure fixed-point conversions have sane types
Tim Northover [Fri, 28 Jun 2013 15:29:25 +0000 (15:29 +0000)]
ARM: ensure fixed-point conversions have sane types

We were generating intrinsics for NEON fixed-point conversions that didn't
exist (e.g. float -> i16). There are two cases to consider:
  + iN is smaller than float. In this case we can do the conversion but need an
    extend or truncate as well.
  + iN is larger than float. In this case using the NEON conversion would be
    incorrect so we don't perform any combining.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185158 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoARM: Fix pseudo-instructions for SRS (Store Return State).
Tilmann Scheller [Fri, 28 Jun 2013 15:09:46 +0000 (15:09 +0000)]
ARM: Fix pseudo-instructions for SRS (Store Return State).

The mapping between SRS pseudo-instructions and SRS native instructions was incorrect, the correct mapping is:

srsfa -> srsib
srsea -> srsia
srsfd -> srsdb
srsed -> srsda

This fixes <rdar://problem/14214734>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185155 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm-symbolizer: don't leave dangling pointers after flushing LLVMSymbolizer. Add...
Alexey Samsonov [Fri, 28 Jun 2013 15:08:29 +0000 (15:08 +0000)]
llvm-symbolizer: don't leave dangling pointers after flushing LLVMSymbolizer. Add a destructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185154 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm-symbolizer: skip leading underscore in Mach-O symbol table entries
Alexey Samsonov [Fri, 28 Jun 2013 14:25:52 +0000 (14:25 +0000)]
llvm-symbolizer: skip leading underscore in Mach-O symbol table entries

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185151 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm-symbolizer: make name demangling a public static method of LLVMSymbolizer
Alexey Samsonov [Fri, 28 Jun 2013 12:06:25 +0000 (12:06 +0000)]
llvm-symbolizer: make name demangling a public static method of LLVMSymbolizer

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185143 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoImprove comment.
Rafael Espindola [Fri, 28 Jun 2013 10:55:41 +0000 (10:55 +0000)]
Improve comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185141 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake a switch in createBinary fully-covered. Add forgotten macho_dsym_companion case.
Alexey Samsonov [Fri, 28 Jun 2013 09:44:05 +0000 (09:44 +0000)]
Make a switch in createBinary fully-covered. Add forgotten macho_dsym_companion case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185139 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm-symbolizer: add support for Mach-O universal binaries
Alexey Samsonov [Fri, 28 Jun 2013 08:15:40 +0000 (08:15 +0000)]
llvm-symbolizer: add support for Mach-O universal binaries

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185137 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSuppress GCC "control reaches end of non-void function" warning.
Patrik Hagglund [Fri, 28 Jun 2013 06:54:05 +0000 (06:54 +0000)]
Suppress GCC "control reaches end of non-void function" warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185136 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDebug Info: clean up usage of Verify.
Manman Ren [Fri, 28 Jun 2013 05:43:10 +0000 (05:43 +0000)]
Debug Info: clean up usage of Verify.

No functionality change.
It should suffice to check the type of a debug info metadata, instead of
calling Verify. For cases where we know the type of a DI metadata, use
assert.

Also update testing cases to make them conform to the format of DI classes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185135 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoIntegrate Assembler: Support X86_64_DTPOFF64 relocations
David Blaikie [Fri, 28 Jun 2013 04:24:32 +0000 (04:24 +0000)]
Integrate Assembler: Support X86_64_DTPOFF64 relocations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185131 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoImprovements to unique_file and createUniqueDirectory.
Rafael Espindola [Fri, 28 Jun 2013 03:48:47 +0000 (03:48 +0000)]
Improvements to unique_file and createUniqueDirectory.

* Don't try to create parent directories in unique_file. It had two problem:
   * It violates the contract that it is atomic. If the directory creation
     success and the file creation fails, we would return an error but the
     file system was modified.
   * When creating a temporary file clang would have to first check if the
     parent directory existed or not to avoid creating one when it was not
     supposed to.

* More efficient implementations of createUniqueDirectory and the unique_file
  that produces only the file name. Now all 3 just call into a static
  function passing what they want (name, file or directory).

Clang also has to be updated, so tests might fail if a bot picks up this commit
and not the corresponding clang one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185126 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoConvert tests to FileCheck
Matt Arsenault [Fri, 28 Jun 2013 01:29:35 +0000 (01:29 +0000)]
Convert tests to FileCheck

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185124 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDon't ask for a mode when we are not keeping the file.
Rafael Espindola [Fri, 28 Jun 2013 01:05:47 +0000 (01:05 +0000)]
Don't ask for a mode when we are not keeping the file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185123 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorize: Preserve debug location info
Arnold Schwaighofer [Fri, 28 Jun 2013 00:38:54 +0000 (00:38 +0000)]
LoopVectorize: Preserve debug location info

radar://14169017

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185122 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix using arg_end() - arg_begin() instead of arg_size()
Matt Arsenault [Fri, 28 Jun 2013 00:25:40 +0000 (00:25 +0000)]
Fix using arg_end() - arg_begin() instead of arg_size()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185121 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix typo
Matt Arsenault [Fri, 28 Jun 2013 00:25:36 +0000 (00:25 +0000)]
Fix typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185120 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRename DIBuilder::createNullPtrType to createUnspecifiedType and introduce
Peter Collingbourne [Thu, 27 Jun 2013 22:50:59 +0000 (22:50 +0000)]
Rename DIBuilder::createNullPtrType to createUnspecifiedType and introduce
a zero-argument createNullPtrType function for creating the canonical
nullptr type.

Differential Revision: http://llvm-reviews.chandlerc.com/D1050

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185114 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAt the request of Richard Smith, swapped the order of cold/builtin so it is in alphab...
Michael Gottesman [Thu, 27 Jun 2013 22:48:08 +0000 (22:48 +0000)]
At the request of Richard Smith, swapped the order of cold/builtin so it is in alphabetical order.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185113 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert "Revert "[APFloat] Removed APFloat constructor which initialized to either...
Michael Gottesman [Thu, 27 Jun 2013 21:58:19 +0000 (21:58 +0000)]
Revert "Revert "[APFloat] Removed APFloat constructor which initialized to either zero/NaN but allowed you to arbitrarily set the category of the float.""

This reverts commit r185099.

Looks like both the ppc-64 and mips bots are still failing after I reverted this
change.

Since:

1. The mips bot always performs a clean build,
2. The ppc64-bot failed again after a clean build (I asked the ppc-64
maintainers to clean the bot which they did... Thanks Will!),

I think it is safe to assume that this change was not the cause of the failures
that said builders were seeing. Thus I am recomitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185111 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert "[APFloat] Removed APFloat constructor which initialized to either zero/NaN...
Michael Gottesman [Thu, 27 Jun 2013 20:40:11 +0000 (20:40 +0000)]
Revert "[APFloat] Removed APFloat constructor which initialized to either zero/NaN but allowed you to arbitrarily set the category of the float."

This reverts commit r185095. This is causing a FileCheck failure on
the 3dnow intrinsics on at least the mips/ppc bots but not on the x86
bots.

Reverting while I figure out what is going on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185099 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorize: Cache edge masks created during if-conversion
Arnold Schwaighofer [Thu, 27 Jun 2013 20:31:06 +0000 (20:31 +0000)]
LoopVectorize: Cache edge masks created during if-conversion

Otherwise, we end up with an exponential IR blowup.
Fixes PR16472.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185097 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unnecessary conditional checks.
Chad Rosier [Thu, 27 Jun 2013 20:19:13 +0000 (20:19 +0000)]
Remove unnecessary conditional checks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185096 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[APFloat] Removed APFloat constructor which initialized to either zero/NaN but allowe...
Michael Gottesman [Thu, 27 Jun 2013 19:50:52 +0000 (19:50 +0000)]
[APFloat] Removed APFloat constructor which initialized to either zero/NaN but allowed you to arbitrarily set the category of the float.

The category which an APFloat belongs to should be dependent on the
actual value that the APFloat has, not be arbitrarily passed in by the
user. This will prevent inconsistency bugs where the category and the
actual value in APFloat differ.

I also fixed up all of the references to this constructor (which were
only in LLVM).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185095 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoImprove the compression of the tablegen DiffLists by introducing a new sort
Chad Rosier [Thu, 27 Jun 2013 19:38:13 +0000 (19:38 +0000)]
Improve the compression of the tablegen DiffLists by introducing a new sort
algorithm when assigning EnumValues to the synthesized registers.

The current algorithm, LessRecord, uses the StringRef compare_numeric
function.  This function compares strings, while handling embedded numbers.
For example, the R600 backend registers are sorted as follows:

  T1
  T1_W
  T1_X
  T1_XYZW
  T1_Y
  T1_Z
  T2
  T2_W
  T2_X
  T2_XYZW
  T2_Y
  T2_Z

In this example, the 'scaling factor' is dEnum/dN = 6 because T0, T1, T2
have an EnumValue offset of 6 from one another.  However, in other parts
of the register bank, the scaling factors are different:

dEnum/dN = 5:
  KC0_128_W
  KC0_128_X
  KC0_128_XYZW
  KC0_128_Y
  KC0_128_Z
  KC0_129_W
  KC0_129_X
  KC0_129_XYZW
  KC0_129_Y
  KC0_129_Z

The diff lists do not work correctly because different kinds of registers have
different 'scaling factors'.  This new algorithm, LessRecordRegister, tries to
enforce a scaling factor of 1.  For example, the registers are now sorted as
follows:

  T1
  T2
  T3
  ...
  T0_W
  T1_W
  T2_W
  ...
  T0_X
  T1_X
  T2_X
  ...
  KC0_128_W
  KC0_129_W
  KC0_130_W
  ...

For the Mips and R600 I see a 19% and 6% reduction in size, respectively.  I
did see a few small regressions, but the differences were on the order of a
few bytes (e.g., AArch64 was 16 bytes).  I suspect there will be even
greater wins for targets with larger register files.

Patch reviewed by Jakob.
rdar://14006013

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185094 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[Support/Registry.h] Include llvm/Support/Compiler.h.
Argyrios Kyrtzidis [Thu, 27 Jun 2013 17:57:40 +0000 (17:57 +0000)]
[Support/Registry.h] Include llvm/Support/Compiler.h.

Because Registry.h is using the LLVM_DELETED_FUNCTION macro.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185087 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoGet rid of the unused class member.
Nadav Rotem [Thu, 27 Jun 2013 17:54:10 +0000 (17:54 +0000)]
Get rid of the unused class member.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185086 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCostModel: improve the cost model for load/store of non power-of-two types such as...
Nadav Rotem [Thu, 27 Jun 2013 17:52:04 +0000 (17:52 +0000)]
CostModel: improve the cost model for load/store of non power-of-two types such as <3 x float>, which are popular in graphics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185085 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Remove alu-split.ll test
Tom Stellard [Thu, 27 Jun 2013 17:00:38 +0000 (17:00 +0000)]
R600: Remove alu-split.ll test

The purpose of this test was to check boundary conditions for the size
of an ALU clause.  This test is very sensitive to changes to the
optimizer or scheduler, because it requires an exact number of ALU
instructions in order to remain valid.  It's not good to have a test
this sensitive, because it is confusing to developers who implement
optimizations and then 'break' the test.

I'm not sure if there is a good way to test these limits using lit, but
if I can come up with replacement test that isn't as sensitive I'll add
it back to the tree.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185084 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLoopVectorize: Use vectorized loop invariant gep index anchored in loop
Arnold Schwaighofer [Thu, 27 Jun 2013 15:11:55 +0000 (15:11 +0000)]
LoopVectorize: Use vectorized loop invariant gep index anchored in loop

Use vectorized instruction instead of original instruction anchored in the
original loop.

Fixes PR16452 and t2075.c of PR16455.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185081 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse MCFillFragment for zero-initialized data.
Serge Pavlov [Thu, 27 Jun 2013 14:35:03 +0000 (14:35 +0000)]
Use MCFillFragment for zero-initialized data.
It fixes PR16338 (ICE when compiling very large two-dimensional array).

Differential Revision: http://llvm-reviews.chandlerc.com/D1043

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185080 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd a Subtarget feature 'v8fp' to the ARM backend.
Joey Gouly [Thu, 27 Jun 2013 11:49:26 +0000 (11:49 +0000)]
Add a Subtarget feature 'v8fp' to the ARM backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185073 91177308-0d34-0410-b5e6-96231b3b80d8