Craig Topper [Mon, 30 Jan 2012 01:10:15 +0000 (01:10 +0000)]
Move some XOP patterns into instruction definition. Replae VPCMOV intrinsic patterns with custom lowering to a target specific nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149216
91177308-0d34-0410-b5e6-
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Chris Lattner [Mon, 30 Jan 2012 00:51:16 +0000 (00:51 +0000)]
Add bitcode reader and writer support for ConstantDataAggregate, which
should be feature complete now. Lets see if it works.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149215
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Chandler Carruth [Sun, 29 Jan 2012 23:09:12 +0000 (23:09 +0000)]
Cleanup the organization of some methods in llvm::Triple and provide
a better doxyment group for convenience predicates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149211
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Douglas Gregor [Sun, 29 Jan 2012 20:15:10 +0000 (20:15 +0000)]
Move Clang's file-level locking facility over to LLVM's support
library, since it doesn't really have anything to do with Clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149203
91177308-0d34-0410-b5e6-
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Anton Korobeynikov [Sun, 29 Jan 2012 09:11:50 +0000 (09:11 +0000)]
Cleanups for EABI standard functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149195
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Anton Korobeynikov [Sun, 29 Jan 2012 09:06:09 +0000 (09:06 +0000)]
Use base AAPCS for varargs functions even for AAPCS-VFP CC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149194
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Sun, 29 Jan 2012 01:29:28 +0000 (01:29 +0000)]
Fix some scavenger performance issues.
- Don't call malloc+free in the very hot forward().
- Don't call isTiedToDefOperand().
- Don't create BitVector temporaries.
- Merge DeadRegs into KillRegs.
- Eliminate the early clobber checks, they were irrelevant to scavenging.
- Remove unnecessary code from -Asserts builds.
This speeds up ARM PEI by 3.4x and overall llc -O0 codegen time by 11%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149189
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Jakob Stoklund Olesen [Sun, 29 Jan 2012 01:29:25 +0000 (01:29 +0000)]
Avoid creating BitVector temporaries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149188
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Jakob Stoklund Olesen [Sun, 29 Jan 2012 01:29:22 +0000 (01:29 +0000)]
Add a BitVector::reset(BitVector&) method.
The alternative LHS &= ~RHS is way too slow because it creates a
temporary that calls malloc/free.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149187
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Nick Lewycky [Sat, 28 Jan 2012 23:33:44 +0000 (23:33 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149185
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Bob Wilson [Sat, 28 Jan 2012 18:30:07 +0000 (18:30 +0000)]
Add a note about a potential optimization for clz/ctz patterns for ARM
(and other targets).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149182
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James Molloy [Sat, 28 Jan 2012 15:58:32 +0000 (15:58 +0000)]
Ensure .AliasedSymbol() is called on all uses of getSymbol(). Affects ARM and MIPS ELF backends.
Fixes PR11877
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149180
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Benjamin Kramer [Sat, 28 Jan 2012 15:28:41 +0000 (15:28 +0000)]
Silence GCC's -Wreturn-type warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149179
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Rafael Espindola [Sat, 28 Jan 2012 06:22:14 +0000 (06:22 +0000)]
Small improvement to the recursion detection logic from the previous commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149175
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Rafael Espindola [Sat, 28 Jan 2012 05:57:00 +0000 (05:57 +0000)]
Handle recursive variable definitions directly. This gives us better error
messages and allows us to fix PR11865.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149174
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Kostya Serebryany [Sat, 28 Jan 2012 04:27:16 +0000 (04:27 +0000)]
[asan] correctly use ConstantExpr::getGetElementPtr. Catch by NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149172
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Bill Wendling [Sat, 28 Jan 2012 01:17:56 +0000 (01:17 +0000)]
Reapply r149159 with a fix to add to a PHI node with a non-null parent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149164
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Lang Hames [Sat, 28 Jan 2012 01:17:01 +0000 (01:17 +0000)]
Remove code that adds live ranges for dead defs. It seems to be breaking things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149163
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Bill Wendling [Sat, 28 Jan 2012 01:10:01 +0000 (01:10 +0000)]
Revert r149159 until I can fix tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149162
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Bill Wendling [Sat, 28 Jan 2012 00:47:18 +0000 (00:47 +0000)]
Don't always create a separate block for the call to _Unwind_Resume.
Sometimes there is only one 'resume' instruction per function. In those
situations, we don't need a separate block for the call to _Unwind_Resume. In
fact, it adds a lot of overhead to code-gen if we do that -- especially at -O0.
If we have a single 'resume' instruction, just generate the call within that
block.
<rdar://problem/
10694814>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149159
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David Greene [Sat, 28 Jan 2012 00:03:24 +0000 (00:03 +0000)]
Fix Record Name Reference
Get the record name though the init to avoid an assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149153
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Lang Hames [Fri, 27 Jan 2012 23:52:25 +0000 (23:52 +0000)]
Silence warning about parens for && within ||
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149152
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Rafael Espindola [Fri, 27 Jan 2012 23:33:07 +0000 (23:33 +0000)]
Add r149110 back with a fix for when the vector and the int have the same
width.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149151
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David Greene [Fri, 27 Jan 2012 23:01:35 +0000 (23:01 +0000)]
Remove Deprecated Features
Move to a model where we build whatever branches are checked out
in the source directories. This was a bit too smart (and complicated)
in handling details best left to the user and the revision control
system.
In addition, get rid of support for llvm-gcc and building gcc as
these are no longer necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149149
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Rafael Espindola [Fri, 27 Jan 2012 22:42:48 +0000 (22:42 +0000)]
Revert r149110 and add a testcase that was crashing since that revision.
Unfortunately I also had to disable constant-pool-sharing.ll the code it tests has been
updated to use the IL logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149148
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Lang Hames [Fri, 27 Jan 2012 22:36:19 +0000 (22:36 +0000)]
Add a "moveInstr" method to LiveIntervals. This can be used to move instructions
around within a basic block while maintaining live-intervals.
Updated ScheduleTopDownLive in MachineScheduler.cpp to use the moveInstr API
when reordering MIs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149147
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Lang Hames [Fri, 27 Jan 2012 21:43:32 +0000 (21:43 +0000)]
Backing out ill-considered 'refactor'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149146
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Lang Hames [Fri, 27 Jan 2012 19:58:14 +0000 (19:58 +0000)]
Move some duplicate loops in the coalescer into their own function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149144
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Devang Patel [Fri, 27 Jan 2012 19:48:28 +0000 (19:48 +0000)]
Intel Syntax: Parse mem operand with seg reg. QWORD PTR FS:[320]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149142
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Jim Grosbach [Fri, 27 Jan 2012 18:35:03 +0000 (18:35 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149137
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Craig Topper [Fri, 27 Jan 2012 07:09:40 +0000 (07:09 +0000)]
Move some patterns back near their instructions and use AddedComplexity to fix priority. Merge some patterns into their instruction definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149122
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Lang Hames [Fri, 27 Jan 2012 03:20:42 +0000 (03:20 +0000)]
Physreg dead defs should be handled too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149118
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Chris Lattner [Fri, 27 Jan 2012 03:15:49 +0000 (03:15 +0000)]
smallvectorize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149117
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Chris Lattner [Fri, 27 Jan 2012 03:08:05 +0000 (03:08 +0000)]
continue making the world safe for ConstantDataVector. At this point,
we should (theoretically optimize and codegen ConstantDataVector as well
as ConstantVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149116
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Matt Beaumont-Gay [Fri, 27 Jan 2012 02:31:29 +0000 (02:31 +0000)]
Unix line endings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149115
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Bill Wendling [Fri, 27 Jan 2012 02:02:24 +0000 (02:02 +0000)]
Place the GEP instructions nearer to the instructions which use them.
GEP instructions are there for the compiler and shouldn't really output much
code (if any at all). When a GEP is stored in the entry block, Fast ISel (for
one) will not know that it could fold it into further uses. For instance, inside
of the EH handling code. This results in a lot of unnecessary spills and loads
which bloat code and slows down pretty much everything.
<rdar://problem/
10694814>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149114
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Chris Lattner [Fri, 27 Jan 2012 01:47:28 +0000 (01:47 +0000)]
make sure the file's matching header is #include'd first.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149113
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Chris Lattner [Fri, 27 Jan 2012 01:46:00 +0000 (01:46 +0000)]
Rewrite CanShareConstantPoolEntry to be implemented in terms of the
mid-level constant folding APIs instead of doing its own analysis.
This makes it more general (e.g. can now share a <2 x i64> with a
<4 x i32>) and avoid duplicating a bunch of logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149111
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Chris Lattner [Fri, 27 Jan 2012 01:44:03 +0000 (01:44 +0000)]
enhance constant folding to be able to constant fold bitcast of
ConstantVector's to integer type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149110
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Jim Grosbach [Fri, 27 Jan 2012 00:51:27 +0000 (00:51 +0000)]
Keep source location information for X86 MCFixup's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149106
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Jim Grosbach [Fri, 27 Jan 2012 00:51:23 +0000 (00:51 +0000)]
Source information in 'expected relocatable expression' diagnostic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149105
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Jim Grosbach [Fri, 27 Jan 2012 00:37:12 +0000 (00:37 +0000)]
Better user diagnostics for more ARM MachO relocation errors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149102
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Jim Grosbach [Fri, 27 Jan 2012 00:37:08 +0000 (00:37 +0000)]
Better diagnostic for malformed .org assembly directive.
Provide source line number information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149101
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Lang Hames [Fri, 27 Jan 2012 00:05:42 +0000 (00:05 +0000)]
Rewrite instruction operands in AdjustCopiesBackFrom. Fixes PR11861.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149097
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Jim Grosbach [Thu, 26 Jan 2012 23:47:45 +0000 (23:47 +0000)]
Tidy up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149096
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Jim Grosbach [Thu, 26 Jan 2012 23:20:15 +0000 (23:20 +0000)]
Keep source information, if available, around for ARM Fixups.
Adjust an example MachObjectWriter diagnostic to use the information
to issue a better message.
Before:
LLVM ERROR: unknown ARM fixup kind!
After:
x.s:6:5: error: unsupported relocation on symbol
beq bar
^
rdar://
9800182
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149093
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Jim Grosbach [Thu, 26 Jan 2012 23:20:11 +0000 (23:20 +0000)]
Add simple support for keeping MCFixup source information.
Can be used to issue more user friendly diagnostics for faulty
relocation constructs and such.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149092
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Jim Grosbach [Thu, 26 Jan 2012 23:20:07 +0000 (23:20 +0000)]
llvm-mc pass through SourceMgr to MCContext.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149091
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Jim Grosbach [Thu, 26 Jan 2012 23:20:05 +0000 (23:20 +0000)]
Add SourceMgr to MCContext for backend diagnostics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149090
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Jakob Stoklund Olesen [Thu, 26 Jan 2012 22:59:28 +0000 (22:59 +0000)]
Handle call-clobbered ymm registers on Win64.
The Win64 calling convention has xmm6-15 as callee-saved while still
clobbering all ymm registers.
Add a YMM_HI_6_15 pseudo-register that aliases the clobbered part of the
ymm registers, and mark that as call-clobbered. This allows live xmm
registers across calls.
This hack wouldn't be necessary with RegisterMask operands representing
the call clobbers, but they are not quite operational yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149088
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Eric Christopher [Thu, 26 Jan 2012 22:06:23 +0000 (22:06 +0000)]
Use -H on darwin as well.
Patch by Liang Wang!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149085
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Chris Lattner [Thu, 26 Jan 2012 21:37:55 +0000 (21:37 +0000)]
progress making the world safe to ConstantDataVector. While
we're at it, allow PatternMatch's "neg" pattern to match integer
vector negations, and enhance ComputeNumSigned bits to handle
shl of vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149082
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Chris Lattner [Thu, 26 Jan 2012 20:44:57 +0000 (20:44 +0000)]
tidy up forward declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149078
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Chris Lattner [Thu, 26 Jan 2012 20:40:56 +0000 (20:40 +0000)]
smallvectorize and ArrayRef'ize some stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149077
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Chris Lattner [Thu, 26 Jan 2012 20:37:11 +0000 (20:37 +0000)]
Reduce a lot of code duplication by implementing
ConstantExpr::getWithOperandReplaced and ConstantExpr::replaceUsesOfWithOnConstant
in terms of ConstantExpr::getWithOperands. While we're at it,
make sure that ConstantExpr::getWithOperands covers all instructions: it was
missing insert/extractvalue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149076
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Chad Rosier [Thu, 26 Jan 2012 20:19:05 +0000 (20:19 +0000)]
Update comment for r149070.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149075
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Chad Rosier [Thu, 26 Jan 2012 18:24:25 +0000 (18:24 +0000)]
Replace the use of isPredicable() with isPredicated() in
MachineBasicBlock::canFallThrough(). We're interested in the state of the
instruction (i.e., is this a barrier or not?), not if the instruction is
predicable or not.
rdar://
10501092
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149070
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Jakob Stoklund Olesen [Thu, 26 Jan 2012 17:52:15 +0000 (17:52 +0000)]
Clear kill flags before propagating a copy.
The live range of the source register may be extended when a redundant
copy is eliminated. Make sure any kill flags between the two copies are
cleared.
This fixes PR11765.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149069
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Jim Grosbach [Thu, 26 Jan 2012 15:56:45 +0000 (15:56 +0000)]
Tidy up. Fix mismatched return types for error handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149062
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Gabor Greif [Thu, 26 Jan 2012 10:28:58 +0000 (10:28 +0000)]
comment tweaks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149060
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James Molloy [Thu, 26 Jan 2012 09:25:43 +0000 (09:25 +0000)]
Add support for the R_ARM_TARGET1 relocation, which should be given to relocations applied to all C++ constructors and destructors.
This enables the linker to match concrete relocation types (absolute or relative) with whatever library or C++ support code is being linked against.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149057
91177308-0d34-0410-b5e6-
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Victor Umansky [Thu, 26 Jan 2012 08:51:39 +0000 (08:51 +0000)]
Fix for the following bug in AVX codegen for double-to-int conversions:
. "fptosi" and "fptoui" IR instructions are defined with round-to-zero rounding mode.
. Currently for AVX mode for <4xdouble> and <8xdouble> the "VCVTPD2DQ.128" and "VCVTPD2DQ.256" instructions are selected (for .fp_to_sint. DAG node operation ) by AVX codegen. However they use round-to-nearest-even rounding mode.
. Consequently, the conversion produces incorrect numbers.
The fix is to replace selection of VCVTPD2DQ instructions with VCVTTPD2DQ instructions. The latter use truncate (i.e. round-to-zero) rounding mode.
As .fp_to_sint. DAG node operation is used only for lowering of "fptosi" and "fptoui" IR instructions, the fix in X86InstrSSE.td definition file doesn.t have an impact on other LLVM flows.
The patch includes changes in the .td file, LIT test for the changes and a fix in a legacy LIT test (which produced asm code conflicting with LLVN IR spec).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149056
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Craig Topper [Thu, 26 Jan 2012 07:51:55 +0000 (07:51 +0000)]
Add HasXOP predicate check covering a bunch of XOP intrinsic patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149054
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Craig Topper [Thu, 26 Jan 2012 07:31:30 +0000 (07:31 +0000)]
Fix AVX vs SSE patterns ordering issue for VPCMPESTRM and VPCMPISTRM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149053
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Craig Topper [Thu, 26 Jan 2012 07:18:03 +0000 (07:18 +0000)]
Remove some more patterns by custom lowering intrinsics to target specific nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149052
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Chris Lattner [Thu, 26 Jan 2012 03:10:45 +0000 (03:10 +0000)]
unbreak test/Bitcode/shuffle.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149033
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Chris Lattner [Thu, 26 Jan 2012 02:54:54 +0000 (02:54 +0000)]
simplify by using ShuffleVectorInst::getMaskValue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149029
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Chris Lattner [Thu, 26 Jan 2012 02:51:13 +0000 (02:51 +0000)]
eliminate the Constant::getVectorElements method. There are better (and
more robust) ways to do what it was doing now. Also, add static methods
for decoding a ShuffleVector mask.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149028
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Chris Lattner [Thu, 26 Jan 2012 02:32:04 +0000 (02:32 +0000)]
Continue improving support for ConstantDataAggregate, and use the
new methods recently added to (sometimes greatly!) simplify code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149024
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Chris Lattner [Thu, 26 Jan 2012 02:31:22 +0000 (02:31 +0000)]
Add a ConstantDataVector::getSplatValue() method, for parity with
ConstantVector. Fix some outright bugs in the implementation of
ConstantArray and Constant struct, which would cause us to not make
one big UndefValue when asking for an array/struct with all undef
elements. Enhance Constant::isAllOnesValue to work with
ConstantDataVector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149021
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Peter Collingbourne [Thu, 26 Jan 2012 01:31:38 +0000 (01:31 +0000)]
llvm-config: Add support for CMake build trees in which the build
mode does not form part of the path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149010
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Chris Lattner [Thu, 26 Jan 2012 00:42:34 +0000 (00:42 +0000)]
some general cleanup, using new methods and tidying up old code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149006
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Chris Lattner [Thu, 26 Jan 2012 00:41:50 +0000 (00:41 +0000)]
fix pasto in the new (and still unused) ShuffleVectorInst::getShuffleMask method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149005
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Chris Lattner [Thu, 26 Jan 2012 00:06:44 +0000 (00:06 +0000)]
add StructType helpers too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149000
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Chris Lattner [Thu, 26 Jan 2012 00:01:10 +0000 (00:01 +0000)]
Ok, break down and add some cast<>'ing helper methods to the Type class
to reduce the number of cast<>'s we have. This allows someone to use
things like Ty->getVectorNumElements() instead of
cast<VectorType>(Ty)->getNumElements() when you know that a type is a
vector.
It would be a great general cleanup to move the codebase to use these,
I will do so in the code I'm touching.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148999
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Chris Lattner [Wed, 25 Jan 2012 23:49:49 +0000 (23:49 +0000)]
add some helper methods to ShuffleVectorInst and enhance its
"isValidOperands" and "getMaskValue" methods to allow
ConstantDataSequential.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148998
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Jakob Stoklund Olesen [Wed, 25 Jan 2012 23:36:27 +0000 (23:36 +0000)]
Improve sub-register def handling in ProcessImplicitDefs.
This boils down to using MachineOperand::readsReg() more.
This fixes PR11829 where a use ended up after the first def when
lowering REG_SEQUENCE instructions involving IMPLICIT_DEFs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148996
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Anton Korobeynikov [Wed, 25 Jan 2012 22:24:19 +0000 (22:24 +0000)]
Properly emit ctors / dtors with priorities into desired sections
and let linker handle the rest.
This finally fixes PR5329
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148990
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Lang Hames [Wed, 25 Jan 2012 22:11:06 +0000 (22:11 +0000)]
Don't add live ranges for aliases of physregs that are live in to the
function. They don't appear to be used, and are inconsistent with handling of
other physreg intervals (i.e. intervals that are not live-in) where ranges are
not inserted for aliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148986
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Jim Grosbach [Wed, 25 Jan 2012 22:00:23 +0000 (22:00 +0000)]
Tidy up. s/Low Level Virtual Machine/LLVM/.
LLVM isn't an acronym anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148985
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Lang Hames [Wed, 25 Jan 2012 21:53:23 +0000 (21:53 +0000)]
Always break upon finding a vreg operand (in Release as well as +Asserts). Remove assertion which can no longer trigger.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148984
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Jim Grosbach [Wed, 25 Jan 2012 19:52:01 +0000 (19:52 +0000)]
ARM assemly parsing and validation of IT instruction.
"Although a Thumb2 instruction, the IT mnemonic shall be permitted in
ARM mode, and the condition verified to match the condition code(s)
on the following instruction(s)."
PR11853
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148969
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Nick Lewycky [Wed, 25 Jan 2012 18:54:13 +0000 (18:54 +0000)]
Use precomputed BB size instead of BB->size().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148964
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Chris Lattner [Wed, 25 Jan 2012 09:56:22 +0000 (09:56 +0000)]
fix a bug I introduced in r148929, this is not a splat!
Thanks to Eli for noticing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148947
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Nick Lewycky [Wed, 25 Jan 2012 09:43:14 +0000 (09:43 +0000)]
Gracefully degrade precision in branch probability numbers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148946
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Nick Lewycky [Wed, 25 Jan 2012 08:27:40 +0000 (08:27 +0000)]
Support pointer comparisons against constants, when looking at the inline-cost
savings from a pointer argument becoming an alloca. Sometimes callees will even
compare a pointer to null and then branch to an otherwise unreachable block!
Detect these cases and compute the number of saved instructions, instead of
bailing out and reporting no savings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148941
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Chandler Carruth [Wed, 25 Jan 2012 07:40:15 +0000 (07:40 +0000)]
Revert a tiny bit of r148553 which extended LLVM's function attributes
to 64-bits, and added a new attribute in bit #32. Specifically, remove
this new attribute from the enum used in the C API. It's not yet clear
what the best approach is for exposing these new attributes in the
C API, and several different proposals are on the table. Until then, we
can simply not expose this bit in the API at all.
Also, I've reverted a somewhat unrelated change in the same revision
which switched from "1 << 31" to "1U << 31" for the top enum. While "1
<< 31" is technically undefined behavior, implementations DTRT here.
However, MS and -pedantic mode warn about non-'int' type enumerator
values. If folks feel strongly about this I can put the 'U' back in, but
it seemed best to wait for the proper solution.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148937
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Evan Cheng [Wed, 25 Jan 2012 07:38:48 +0000 (07:38 +0000)]
Update hasProperty comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148936
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Chris Lattner [Wed, 25 Jan 2012 06:48:06 +0000 (06:48 +0000)]
use Constant::getAggregateElement to simplify a bunch of code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148934
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Craig Topper [Wed, 25 Jan 2012 06:43:11 +0000 (06:43 +0000)]
Custom lower PSIGN and PSHUFB intrinsics to their corresponding target specific nodes so we can remove the isel patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148933
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Chris Lattner [Wed, 25 Jan 2012 06:16:32 +0000 (06:16 +0000)]
constify some methods and add a new Constant::getAggregateElement
helper method for the common operation of extracting an element
out of a constant aggregate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148931
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Chris Lattner [Wed, 25 Jan 2012 06:02:56 +0000 (06:02 +0000)]
use ConstantVector::getSplat in a few places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148929
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Craig Topper [Wed, 25 Jan 2012 05:37:32 +0000 (05:37 +0000)]
Custom lower phadd and phsub intrinsics to target specific nodes. Remove the patterns that are no longer necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148927
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Chris Lattner [Wed, 25 Jan 2012 05:19:54 +0000 (05:19 +0000)]
reapply r148901 with a crucial fix.
"Introduce a new ConstantVector::getSplat constructor function to
simplify a really common case."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148924
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Craig Topper [Wed, 25 Jan 2012 04:42:03 +0000 (04:42 +0000)]
Remove AVX 256-bit unaligned load intrinsics. 128-bit versions had been removed a while ago.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148922
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Akira Hatanaka [Wed, 25 Jan 2012 04:19:22 +0000 (04:19 +0000)]
Mark 64-bit register RA_64 unused too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148918
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Akira Hatanaka [Wed, 25 Jan 2012 04:12:04 +0000 (04:12 +0000)]
Modify MipsFrameLowering::emitPrologue and emitEpilogue.
- Use MipsAnalyzeImmediate to expand immediates that do not fit in 16-bit.
- Change the types of variables so that they are sufficiently large to handle
64-bit pointers.
- Emit instructions to set register $28 in a function prologue after
instructions which store callee-saved registers have been emitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148917
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Akira Hatanaka [Wed, 25 Jan 2012 03:55:10 +0000 (03:55 +0000)]
Modify MipsRegisterInfo::eliminateFrameIndex to use MipsAnalyzeImmediate to
expand offsets that do not fit in the 16-bit immediate field of load and store
instructions. Also change the types of variables so that they are sufficiently
large to handle 64-bit pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148916
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Craig Topper [Wed, 25 Jan 2012 03:52:09 +0000 (03:52 +0000)]
Merge intrinsic pattern and no pattern versions of VCVTSD2SI intruction definitions. Matches non-AVX version of same instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148914
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Rafael Espindola [Wed, 25 Jan 2012 03:39:26 +0000 (03:39 +0000)]
-fvisibility-inlines-hidden is a c++ only option.
Thanks to Peter Collingbourne for noticing it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148913
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