oota-llvm.git
12 years agoAdd a FIXME that assumes we maintain backward compatibility until the next major...
Chad Rosier [Wed, 5 Sep 2012 06:28:52 +0000 (06:28 +0000)]
Add a FIXME that assumes we maintain backward compatibility until the next major release.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163195 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReorder the comments of EmitExceptionTable.
Logan Chien [Wed, 5 Sep 2012 06:28:26 +0000 (06:28 +0000)]
Reorder the comments of EmitExceptionTable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163194 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix UseInitArray option for MIPS target.
Logan Chien [Wed, 5 Sep 2012 06:17:17 +0000 (06:17 +0000)]
Fix UseInitArray option for MIPS target.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163193 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoConvert vextracti128/vextractf128 intrinsics to extract_subvector at DAG build time...
Craig Topper [Wed, 5 Sep 2012 05:48:09 +0000 (05:48 +0000)]
Convert vextracti128/vextractf128 intrinsics to extract_subvector at DAG build time. Similar was previously done for vinserti128/vinsertf128. Add patterns for folding these extract_subvectors with stores.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163192 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemoved Trie.h; unused in a long time
Marshall Clow [Wed, 5 Sep 2012 03:18:55 +0000 (03:18 +0000)]
Removed Trie.h; unused in a long time

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163191 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove redundant semicolons to fix -pedantic-errors build.
Richard Smith [Wed, 5 Sep 2012 01:41:37 +0000 (01:41 +0000)]
Remove redundant semicolons to fix -pedantic-errors build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163190 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix function name per coding standard.
Chad Rosier [Wed, 5 Sep 2012 01:15:43 +0000 (01:15 +0000)]
Fix function name per coding standard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163187 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix function name per coding standard.
Chad Rosier [Wed, 5 Sep 2012 01:02:38 +0000 (01:02 +0000)]
Fix function name per coding standard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163186 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Add support for the nsdialect keyword in the Bitcode
Chad Rosier [Wed, 5 Sep 2012 00:56:20 +0000 (00:56 +0000)]
[ms-inline asm] Add support for the nsdialect keyword in the Bitcode
Reader/Writer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163185 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Add the nsdialect keyword to the lexer.
Chad Rosier [Wed, 5 Sep 2012 00:51:02 +0000 (00:51 +0000)]
[ms-inline asm] Add the nsdialect keyword to the lexer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163184 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Emit the (new) inline asm Non-Standard Dialect attribute.
Chad Rosier [Wed, 5 Sep 2012 00:08:17 +0000 (00:08 +0000)]
[ms-inline asm] Emit the (new) inline asm Non-Standard Dialect attribute.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163181 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMake provenance checking conservative in cases when
Dan Gohman [Tue, 4 Sep 2012 23:16:20 +0000 (23:16 +0000)]
Make provenance checking conservative in cases when
pointers-to-strong-pointers may be in play. These can lead to retains and
releases happening in unstructured ways, foiling the optimizer. This fixes
rdar://12150909.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163180 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoBypassSlowDivision: Assign to reference, don't copy the object.
Jakub Staszak [Tue, 4 Sep 2012 23:11:11 +0000 (23:11 +0000)]
BypassSlowDivision: Assign to reference, don't copy the object.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163179 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSearch the whole instruction for tied operands.
Jakob Stoklund Olesen [Tue, 4 Sep 2012 22:59:30 +0000 (22:59 +0000)]
Search the whole instruction for tied operands.

Implicit uses can be dynamically tied to defs. This will soon be used
for predicated instructions on ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163177 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Add the inline assembly dialect, AsmDialect, to the InlineAsm
Chad Rosier [Tue, 4 Sep 2012 22:46:24 +0000 (22:46 +0000)]
[ms-inline asm] Add the inline assembly dialect, AsmDialect, to the InlineAsm
class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163175 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Remove the Inline Asm Non-Standard Dialect attribute. This
Chad Rosier [Tue, 4 Sep 2012 22:29:45 +0000 (22:29 +0000)]
[ms-inline asm] Remove the Inline Asm Non-Standard Dialect attribute.  This
implementation does not co-exist well with how the sideeffect and alignstack
attributes are handled.  The reverts r161641.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163174 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[LIT] Add a clang_tools_extra_site_cfg to match the various other site_cfg.
David Blaikie [Tue, 4 Sep 2012 22:09:04 +0000 (22:09 +0000)]
[LIT] Add a clang_tools_extra_site_cfg to match the various other site_cfg.

This doesn't seem ideal, perhaps we could just keep the llvm_site_cfg and have
other config (clang and clang-tools-extra) derive their site_cfg from that.

Suggestions/complaints/ideas welcome.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163171 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix my previous patch (r163164). It does now what it is supposed to do:
Jakub Staszak [Tue, 4 Sep 2012 21:16:59 +0000 (21:16 +0000)]
Fix my previous patch (r163164). It does now what it is supposed to do:
Doesn't set MadeChange to TRUE if BypassSlowDivision doesn't change anything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163165 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReturn false if BypassSlowDivision doesn't change anything.
Jakub Staszak [Tue, 4 Sep 2012 20:48:24 +0000 (20:48 +0000)]
Return false if BypassSlowDivision doesn't change anything.
Also a few minor changes:
- use pre-inc instead of post-inc
- use isa instead of dyn_cast
- 80 col
- trailing spaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163164 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove unneeded code.
Jakub Staszak [Tue, 4 Sep 2012 19:49:17 +0000 (19:49 +0000)]
Remove unneeded code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163160 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTypo.
Jakob Stoklund Olesen [Tue, 4 Sep 2012 18:44:43 +0000 (18:44 +0000)]
Typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163154 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoActually use the MachineOperand field for isRegTiedToDefOperand().
Jakob Stoklund Olesen [Tue, 4 Sep 2012 18:43:25 +0000 (18:43 +0000)]
Actually use the MachineOperand field for isRegTiedToDefOperand().

The MachineOperand::TiedTo field was maintained, but not used.

This patch enables it in isRegTiedToDefOperand() and
isRegTiedToUseOperand() which are the actual functions use by the
register allocator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163153 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMove tie checks into MachineVerifier::visitMachineOperand.
Jakob Stoklund Olesen [Tue, 4 Sep 2012 18:38:28 +0000 (18:38 +0000)]
Move tie checks into MachineVerifier::visitMachineOperand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163152 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAllow tied uses and defs in different orders.
Jakob Stoklund Olesen [Tue, 4 Sep 2012 18:36:28 +0000 (18:36 +0000)]
Allow tied uses and defs in different orders.

After much agonizing, use a full 4 bits of precious MachineOperand space
to encode this. This uses existing padding, and doesn't grow
MachineOperand beyond its current 32 bytes.

This allows tied defs among the first 15 operands on a normal
instruction, just like the current MCInstrDesc constraint encoding.
Inline assembly needs to be able to tie more than the first 15 operands,
and gets special treatment.

Tied uses can appear beyond 15 operands, as long as they are tied to a
def that's in range.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163151 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoGeneric Bypass Slow Div
Preston Gurd [Tue, 4 Sep 2012 18:22:17 +0000 (18:22 +0000)]
Generic Bypass Slow Div
- CodeGenPrepare pass for identifying div/rem ops
- Backend specifies the type mapping using addBypassSlowDivType
- Enabled only for Intel Atom with O2 32-bit -> 8-bit
- Replace IDIV with instructions which test its value and use DIVB if the value
is positive and less than 256.
- In the case when the quotient and remainder of a divide are used a DIV
and a REM instruction will be present in the IR. In the non-Atom case
they are both lowered to IDIVs and CSE removes the redundant IDIV instruction,
using the quotient and remainder from the first IDIV. However,
due to this optimization CSE is not able to eliminate redundant
IDIV instructions because they are located in different basic blocks.
This is overcome by calculating both the quotient (DIV) and remainder (REM)
in each basic block that is inserted by the optimization and reusing the result
values when a subsequent DIV or REM instruction uses the same operands.
- Test cases check for the presents of the optimization when calculating
either the quotient, remainder,  or both.

Patch by Tyler Nowicki!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163150 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMake sure macros in the include subdirectory are not used without being defined.
Bob Wilson [Tue, 4 Sep 2012 17:42:53 +0000 (17:42 +0000)]
Make sure macros in the include subdirectory are not used without being defined.

Rationale: For each preprocessor macro, either the definedness is what's
meaningful, or the value is what's meaningful, or both. If definedness is
meaningful, we should use #ifdef. If the value is meaningful, we should use
and #ifdef interchangeably for the same macro, seems ugly to me, even if
undefined macros are zero if used.

This also has the benefit that including an LLVM header doesn't prevent
you from compiling with -Wundef -Werror.

Patch by John Garvin!
<rdar://problem/12189979>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163148 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoPorting Hexagon MI Scheduler to the new API.
Sergei Larin [Tue, 4 Sep 2012 14:49:56 +0000 (14:49 +0000)]
Porting Hexagon MI Scheduler to the new API.

Change current Hexagon MI scheduler to use new converging
scheduler. Integrates DFA resource model into it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163137 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoPatch to implement UMLAL/SMLAL instructions for the ARM architecture
Arnold Schwaighofer [Tue, 4 Sep 2012 14:37:49 +0000 (14:37 +0000)]
Patch to implement UMLAL/SMLAL instructions for the ARM architecture

This patch corrects the definition of umlal/smlal instructions and adds support
for matching them to the ARM dag combiner.

Bug 12213

Patch by Yin Ma!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163136 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoThis patch optimizes shuffle instruction - generates 2 instructions instead of 4.
Elena Demikhovsky [Tue, 4 Sep 2012 12:49:02 +0000 (12:49 +0000)]
This patch optimizes shuffle instruction - generates 2 instructions instead of 4.
Since this specific shuffle is widely used in many workloads we have ~10% performance on them.

shufflevector <8 x float> %A, <8 x float> %B, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>

vmovaps (%rdx), %ymm0
vshufps $8, %ymm0, %ymm0, %ymm0
vmovaps (%rcx), %ymm1
vshufps $8, %ymm0, %ymm1, %ymm1
vunpcklps       %ymm0, %ymm1, %ymm0

vmovaps (%rcx), %ymm0
vmovsldup       (%rdx), %ymm1
vblendps        $85, %ymm0, %ymm1, %ymm0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163134 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoLICM may hoist an instruction with undefined behavior above a trap.
Nadav Rotem [Tue, 4 Sep 2012 10:25:04 +0000 (10:25 +0000)]
LICM may hoist an instruction with undefined behavior above a trap.

Scan the body of the loop and find instructions that may trap.
Use this information when deciding if it is safe to hoist or sink instructions.
Notice that we can optimize the search of instructions that may throw in the case of nested loops.

rdar://11518836

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163132 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix Android build of gtest and lib/Support.
Evgeniy Stepanov [Tue, 4 Sep 2012 09:14:45 +0000 (09:14 +0000)]
Fix Android build of gtest and lib/Support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163131 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd support for fetching inlining context (stack of source code locations)
Alexey Samsonov [Tue, 4 Sep 2012 08:12:33 +0000 (08:12 +0000)]
Add support for fetching inlining context (stack of source code locations)
by instruction address from DWARF.

Add --inlining flag to llvm-dwarfdump to demonstrate and test this functionality,
so that "llvm-dwarfdump --inlining --address=0x..." now works much like
"addr2line -i 0x...", provided that the binary has debug info
(Clang's -gline-tables-only *is* enough).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163128 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoBe conservative about allocations that may alias the accessed pointer.
Bob Wilson [Tue, 4 Sep 2012 03:30:13 +0000 (03:30 +0000)]
Be conservative about allocations that may alias the accessed pointer.

If an allocation has a must-alias relation to the access pointer, we treat it
as a Def.  Otherwise, without this check, the code here was just skipping over
the allocation call and ignoring it.  I noticed this by inspection and don't
have a specific testcase that it breaks, but it seems like we need to treat
a may-alias allocation as a Clobber.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163127 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Make comment more verbose and add an assert.
Chad Rosier [Mon, 3 Sep 2012 20:37:01 +0000 (20:37 +0000)]
[ms-inline asm] Make comment more verbose and add an assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163125 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Asm operands can map to one or more MCOperands. Therefore, add
Chad Rosier [Mon, 3 Sep 2012 20:31:23 +0000 (20:31 +0000)]
[ms-inline asm] Asm operands can map to one or more MCOperands.  Therefore, add
the NumMCOperands argument to the GetMCInstOperandNum() function that is set
to the number of MCOperands this asm operand mapped to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163124 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Add a comment.
Chad Rosier [Mon, 3 Sep 2012 19:04:35 +0000 (19:04 +0000)]
[ms-inline asm] Add a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163123 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Add an interface to the GetMCInstOperandNum() function in the
Chad Rosier [Mon, 3 Sep 2012 18:47:45 +0000 (18:47 +0000)]
[ms-inline asm] Add an interface to the GetMCInstOperandNum() function in the
MCTargetAsmParser class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163122 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove extraneous return.
Chad Rosier [Mon, 3 Sep 2012 17:39:57 +0000 (17:39 +0000)]
Remove extraneous return.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163119 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Return the MCOperandNum instead of passing a reference.
Chad Rosier [Mon, 3 Sep 2012 17:33:50 +0000 (17:33 +0000)]
[ms-inline asm] Return the MCOperandNum instead of passing a reference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163118 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove always true checks. Noticed by Adhemerval Zanella.
Roman Divacky [Mon, 3 Sep 2012 16:55:42 +0000 (16:55 +0000)]
Remove always true checks. Noticed by Adhemerval Zanella.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163117 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd braces to the case statement.
Chad Rosier [Mon, 3 Sep 2012 16:21:15 +0000 (16:21 +0000)]
Add braces to the case statement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163116 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoIRBuilderify the SjlLjEHPrepare pass.
Benjamin Kramer [Mon, 3 Sep 2012 12:27:43 +0000 (12:27 +0000)]
IRBuilderify the SjlLjEHPrepare pass.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163115 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoWhen updating live range endpoints, make sure to preserve the early clobber bit.
Lang Hames [Mon, 3 Sep 2012 06:31:45 +0000 (06:31 +0000)]
When updating live range endpoints, make sure to preserve the early clobber bit.

Fixs PR13719.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163107 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix more fallout from r158919, similar to PR13547.
Bob Wilson [Mon, 3 Sep 2012 05:15:15 +0000 (05:15 +0000)]
Fix more fallout from r158919, similar to PR13547.

This code used to only handle malloc-like calls, which do not read memory.
r158919 changed it to check isNoAliasFn(), which includes strdup-like and
realloc-like calls, but it was not checking for dependencies on the memory
read by those calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163106 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemoved unused argument.
Chad Rosier [Mon, 3 Sep 2012 03:16:09 +0000 (03:16 +0000)]
Removed unused argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163104 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agosome peepholes that should match horizontal add/sub operations.
Chris Lattner [Mon, 3 Sep 2012 02:58:21 +0000 (02:58 +0000)]
some peepholes that should match horizontal add/sub operations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163103 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[ms-inline asm] Expose the Kind and Opcode variables from the
Chad Rosier [Mon, 3 Sep 2012 02:06:46 +0000 (02:06 +0000)]
[ms-inline asm] Expose the Kind and Opcode variables from the
MatchInstructionImpl() function.

These values are used by the ConvertToMCInst() function to index into the
ConversionTable.  The values are also needed to call the GetMCInstOperandNum()
function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163101 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMove ErrorLoc decl into the scope where it's actually used.
Chad Rosier [Mon, 3 Sep 2012 01:55:11 +0000 (01:55 +0000)]
Move ErrorLoc decl into the scope where it's actually used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163100 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoescape special char when handling CXX_FOR_OCAMLOPT
Nuno Lopes [Sun, 2 Sep 2012 15:16:51 +0000 (15:16 +0000)]
escape special char when handling CXX_FOR_OCAMLOPT

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163098 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agofix test's RUN lines
Nuno Lopes [Sun, 2 Sep 2012 15:07:25 +0000 (15:07 +0000)]
fix test's RUN lines

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163097 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoadd support for ocaml 3.12
Nuno Lopes [Sun, 2 Sep 2012 14:42:56 +0000 (14:42 +0000)]
add support for ocaml 3.12

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163096 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoreplace a couple of single-line comments with /* */ to fix the build of stuff dependi...
Nuno Lopes [Sun, 2 Sep 2012 14:19:21 +0000 (14:19 +0000)]
replace a couple of single-line comments with /* */ to fix the build of stuff depending on the C headers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163095 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a typo.
Nadav Rotem [Sun, 2 Sep 2012 12:21:50 +0000 (12:21 +0000)]
Fix a typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163094 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoNot all targets have efficient ISel code generation for select instructions.
Nadav Rotem [Sun, 2 Sep 2012 12:10:19 +0000 (12:10 +0000)]
Not all targets have efficient ISel code generation for select instructions.
For example, the ARM target does not have efficient ISel handling for vector
selects with scalar conditions. This patch adds a TLI hook which allows the
different targets to report which selects are supported well and which selects
should be converted to CF duting codegen prepare.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163093 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoLoopRotation: Make the brute force DomTree update more brute force.
Benjamin Kramer [Sun, 2 Sep 2012 11:57:22 +0000 (11:57 +0000)]
LoopRotation: Make the brute force DomTree update more brute force.

We update until we hit a fixpoint. This is probably slow but also
slightly simplifies the code. It should also fix the occasional
invalid domtrees observed when building with expensive checking.

I couldn't find a case where this had a measurable slowdown, but
if someone finds a pathological case where it does we may have
to find a cleverer way of updating dominators here.

Thanks to Duncan for the test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163091 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRename ANDROIDEABI to Android.
Logan Chien [Sun, 2 Sep 2012 09:29:46 +0000 (09:29 +0000)]
Rename ANDROIDEABI to Android.

Most of the code guarded with ANDROIDEABI are not
ARM-specific, and having no relation with arm-eabi.
Thus, it will be more natural to call this
environment "Android" instead of "ANDROIDEABI".

Note: We are not using ANDROID because several projects
are using "-DANDROID" as the conditional compilation
flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163087 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoGenerate better select code by allowing the target to use scalar select, and not...
Nadav Rotem [Sun, 2 Sep 2012 08:20:07 +0000 (08:20 +0000)]
Generate better select code by allowing the target to use scalar select, and not sign-extend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163086 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoOnly legalise a VSELECT in to bitwise operations if the vector mask bool is zeros...
Pete Cooper [Sat, 1 Sep 2012 22:27:48 +0000 (22:27 +0000)]
Only legalise a VSELECT in to bitwise operations if the vector mask bool is zeros or all ones.  A vector bool with just ones isn't suitable for masking with.

No test case unfortunately as i couldn't find a target which fit all
the conditions needed to hit this code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163075 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoPR13689: Check for backtrace(3) in the cmake build.
Benjamin Kramer [Sat, 1 Sep 2012 20:50:18 +0000 (20:50 +0000)]
PR13689: Check for backtrace(3) in the cmake build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163074 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoLimit domain conversion to cases where it won't break dep chains.
Tim Northover [Sat, 1 Sep 2012 18:07:29 +0000 (18:07 +0000)]
Limit domain conversion to cases where it won't break dep chains.

NEON domain conversion was too heavy-handed with its widened
registers, which could have stripped existing instructions of their
dependency, leaving them vulnerable to scheduling errors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163070 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRevert "Take account of boolean vector contents when promoting a build vector from...
Pete Cooper [Sat, 1 Sep 2012 17:37:55 +0000 (17:37 +0000)]
Revert "Take account of boolean vector contents when promoting a build vector from i1 to some other type.  rdar://problem/12210060"

This reverts commit 5dd9e214fb92847e947f9edab170f9b4e52b908f.

Thanks to Duncan for explaining how this should have been done.

Conflicts:

test/CodeGen/X86/vec_select.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163064 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix Thumb2 fixup kind in the integrated-as.
Logan Chien [Sat, 1 Sep 2012 15:06:36 +0000 (15:06 +0000)]
Fix Thumb2 fixup kind in the integrated-as.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163063 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd ARM ELF support to llvm-objdump.
Logan Chien [Sat, 1 Sep 2012 14:58:11 +0000 (14:58 +0000)]
Add ARM ELF support to llvm-objdump.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163062 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoCode cleanup: tools/opt/opt.cpp
Logan Chien [Sat, 1 Sep 2012 14:43:30 +0000 (14:43 +0000)]
Code cleanup: tools/opt/opt.cpp

Remove unused local variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163061 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix typo.
Logan Chien [Sat, 1 Sep 2012 12:11:41 +0000 (12:11 +0000)]
Fix typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163059 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoLoopRotation: Check some invariants of the dominator updating code.
Benjamin Kramer [Sat, 1 Sep 2012 12:04:51 +0000 (12:04 +0000)]
LoopRotation: Check some invariants of the dominator updating code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163058 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTypos
Craig Topper [Sat, 1 Sep 2012 06:33:50 +0000 (06:33 +0000)]
Typos

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163053 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTeach DAG combine a number of tricks to simplify FMA expressions in fast-math mode.
Owen Anderson [Sat, 1 Sep 2012 06:04:27 +0000 (06:04 +0000)]
Teach DAG combine a number of tricks to simplify FMA expressions in fast-math mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163051 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix typo
Michael Liao [Sat, 1 Sep 2012 04:09:16 +0000 (04:09 +0000)]
Fix typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163049 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agollvm/test/CodeGen/X86/fp-fast.ll: Suppress FMA4 on AMD Bulldozer host, corresponding...
NAKAMURA Takumi [Sat, 1 Sep 2012 00:26:28 +0000 (00:26 +0000)]
llvm/test/CodeGen/X86/fp-fast.ll: Suppress FMA4 on AMD Bulldozer host, corresponding to r162999.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163041 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix Atom bots for r163036.
Manman Ren [Sat, 1 Sep 2012 00:17:06 +0000 (00:17 +0000)]
Fix Atom bots for r163036.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163040 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSelectionDAG: when constructing VZEXT_LOAD from other loads, make sure its
Manman Ren [Fri, 31 Aug 2012 23:16:57 +0000 (23:16 +0000)]
SelectionDAG: when constructing VZEXT_LOAD from other loads, make sure its
output chain is correctly setup.

As an example, if the original load must happen before later stores, we need
to make sure the constructed VZEXT_LOAD is constrained to be before the stores.

rdar://11457792

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163036 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMark FMA4 instructions as commutable and add them to the folding tables.
Craig Topper [Fri, 31 Aug 2012 23:10:34 +0000 (23:10 +0000)]
Mark FMA4 instructions as commutable and add them to the folding tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163035 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMake sure to build libpthread to check for HAVE_PTHREAD_MUTEX_LOCK.
Eric Christopher [Fri, 31 Aug 2012 22:39:14 +0000 (22:39 +0000)]
Make sure to build libpthread to check for HAVE_PTHREAD_MUTEX_LOCK.

Patch by Brad Smith!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163033 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove an unused argument. The MCInst opcode is set in the ConvertToMCInst()
Chad Rosier [Fri, 31 Aug 2012 22:12:31 +0000 (22:12 +0000)]
Remove an unused argument.  The MCInst opcode is set in the ConvertToMCInst()
function nowadays.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163030 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd selection of RegOp2MemOpTable3 to canFoldMemoryOperand
Craig Topper [Fri, 31 Aug 2012 22:12:16 +0000 (22:12 +0000)]
Add selection of RegOp2MemOpTable3 to canFoldMemoryOperand

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163029 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd MachineInstr::tieOperands, remove setIsTied().
Jakob Stoklund Olesen [Fri, 31 Aug 2012 20:50:53 +0000 (20:50 +0000)]
Add MachineInstr::tieOperands, remove setIsTied().

Manage tied operands entirely internally to MachineInstr. This makes it
possible to change the representation of tied operands, as I will do
shortly.

The constraint that tied uses and defs must be in the same order was too
restrictive.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163021 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix PR12359
Michael Liao [Fri, 31 Aug 2012 20:12:31 +0000 (20:12 +0000)]
Fix PR12359

- In addition to undefined, if V2 is zero vector, skip 2nd PSHUFB and POR as
  well as PSHUFB will zero elements with negative indices.

  Patch by Sriram Murali <sriram.murali@intel.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163018 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoThe instruction DINS may be transformed into DINSU or DEXTM depending
Jack Carter [Fri, 31 Aug 2012 18:06:48 +0000 (18:06 +0000)]
The instruction DINS may be transformed into DINSU or DEXTM depending
on the size of the extraction and its position in the 64 bit word.

This patch allows support of the dext transformations with mips64 direct
object output.

0 <= msb < 32 0 <= lsb < 32 0 <= pos < 32 1 <= size <= 32
DINS
The field is entirely contained in the right-most word of the doubleword

32 <= msb < 64 0 <= lsb < 32 0 <= pos < 32 2 <= size <= 64
DINSM
The field straddles the words of the doubleword

32 <= msb < 64 32 <= lsb < 64 32 <= pos < 64 1 <= size <= 32
DINSU
The field is entirely contained in the left-most word of the doubleword

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163010 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMove the GCOVFormat enums into their own namespace per the LLVM coding standard.
Bill Wendling [Fri, 31 Aug 2012 17:31:28 +0000 (17:31 +0000)]
Move the GCOVFormat enums into their own namespace per the LLVM coding standard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163008 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd a comment to explain what's really going on.
Chad Rosier [Fri, 31 Aug 2012 17:24:10 +0000 (17:24 +0000)]
Add a comment to explain what's really going on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163005 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoThe ConvertToMCInst() function can't fail, so remove the now dead Match_ConversionFai...
Chad Rosier [Fri, 31 Aug 2012 16:41:07 +0000 (16:41 +0000)]
The ConvertToMCInst() function can't fail, so remove the now dead Match_ConversionFail enum.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163002 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMark FMA3 instructions as commutable so that the operands to the multiply part can...
Craig Topper [Fri, 31 Aug 2012 16:31:13 +0000 (16:31 +0000)]
Mark FMA3 instructions as commutable so that the operands to the multiply part can be commuted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163001 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUse CloneMachineInstr to make a new MI in commuteInstruction to make the code toleran...
Craig Topper [Fri, 31 Aug 2012 16:30:05 +0000 (16:30 +0000)]
Use CloneMachineInstr to make a new MI in commuteInstruction to make the code tolerant of instructions with more than two input operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163000 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd support for converting llvm.fma to fma4 instructions.
Craig Topper [Fri, 31 Aug 2012 15:40:30 +0000 (15:40 +0000)]
Add support for converting llvm.fma to fma4 instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162999 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't enforce ordered inline asm operands.
Jakob Stoklund Olesen [Fri, 31 Aug 2012 15:34:59 +0000 (15:34 +0000)]
Don't enforce ordered inline asm operands.

I was too optimistic, inline asm can have tied operands that don't
follow the def order.

Fixes PR13742.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162998 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoClean up ProfileDataLoader a bit.
Benjamin Kramer [Fri, 31 Aug 2012 12:43:07 +0000 (12:43 +0000)]
Clean up ProfileDataLoader a bit.

- Overloading operator<< for raw_ostream and pointers is dangerous, it alters
  the behavior of code that includes the header.
- Remove unused ID.
- Use LLVM's byte swapping helpers instead of a hand-coded.
- Make ReadProfilingData work directly on a pointer.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162992 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agollvm/test/CodeGen/X86/vec_select.ll: Fix failure on xmm-less hosts, to add -mattr...
NAKAMURA Takumi [Fri, 31 Aug 2012 10:02:22 +0000 (10:02 +0000)]
llvm/test/CodeGen/X86/vec_select.ll: Fix failure on xmm-less hosts, to add -mattr=+sse2.

FIXME: Should this be tested with both +avx and -avx,+sse2?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162983 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoCleanups due to feedback. No functionality change. Patch by Alistair.
Bill Wendling [Fri, 31 Aug 2012 05:18:31 +0000 (05:18 +0000)]
Cleanups due to feedback. No functionality change. Patch by Alistair.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162979 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoClean up AddedComplexity further after adding UseSSEx
Michael Liao [Fri, 31 Aug 2012 03:01:35 +0000 (03:01 +0000)]
Clean up AddedComplexity further after adding UseSSEx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162973 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a couple of typos in EmitAtomic.
Jakob Stoklund Olesen [Fri, 31 Aug 2012 02:08:34 +0000 (02:08 +0000)]
Fix a couple of typos in EmitAtomic.

Thumb2 instructions are mostly constrained to rGPR, not tGPR which is
for Thumb1.

rdar://problem/12203728

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162968 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoX86: Fix encoding of 'movd %xmm0, %rax'
Jim Grosbach [Fri, 31 Aug 2012 00:30:30 +0000 (00:30 +0000)]
X86: Fix encoding of 'movd %xmm0, %rax'

The assembly string for the VMOVPQIto64rr instruction incorrectly lacked the 'v'
prefix, resulting in mis-assembly of the vanilla movd instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162963 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoWith the fix in r162954/162955 every cvt function returns true. Thus, have
Chad Rosier [Fri, 31 Aug 2012 00:03:31 +0000 (00:03 +0000)]
With the fix in r162954/162955 every cvt function returns true.  Thus, have
the ConvertToMCInst() return void, rather then a bool.  Update all the cvt
functions as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162961 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTake account of boolean vector contents when promoting a build vector from i1 to...
Pete Cooper [Thu, 30 Aug 2012 23:58:52 +0000 (23:58 +0000)]
Take account of boolean vector contents when promoting a build vector from i1 to some other type.  rdar://problem/12210060

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162960 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTry to make this test more generic to unbreak buildbots.
Owen Anderson [Thu, 30 Aug 2012 23:51:20 +0000 (23:51 +0000)]
Try to make this test more generic to unbreak buildbots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162958 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTeach the DAG combiner to turn chains of FADDs (x+x+x+x+...) into FMULs by constants...
Owen Anderson [Thu, 30 Aug 2012 23:35:16 +0000 (23:35 +0000)]
Teach the DAG combiner to turn chains of FADDs (x+x+x+x+...) into FMULs by constants.  This is only enabled in unsafe FP math mode, since it does not preserve rounding effects for all such constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162956 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix for r162954. Return the Error.
Chad Rosier [Thu, 30 Aug 2012 23:22:05 +0000 (23:22 +0000)]
Fix for r162954.  Return the Error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162955 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMove a check to the validateInstruction() function where it more properly belongs.
Chad Rosier [Thu, 30 Aug 2012 23:20:38 +0000 (23:20 +0000)]
Move a check to the validateInstruction() function where it more properly belongs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162954 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[llvm] Updated the test fold-vector-select so that we test the vector selects exhaust...
Michael Gottesman [Thu, 30 Aug 2012 23:11:49 +0000 (23:11 +0000)]
[llvm] Updated the test fold-vector-select so that we test the vector selects exhaustively.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162953 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTypo.
Chad Rosier [Thu, 30 Aug 2012 23:00:00 +0000 (23:00 +0000)]
Typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162952 91177308-0d34-0410-b5e6-96231b3b80d8