Joerg Sonnenberger [Thu, 19 May 2011 17:27:01 +0000 (17:27 +0000)]
Introduce -fatal-assembler-warnings for the obvious purpose
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131644
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Thu, 19 May 2011 17:21:09 +0000 (17:21 +0000)]
Fix data layout string. i64 is aligned to 64 bit boundaries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131642
91177308-0d34-0410-b5e6-
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Stuart Hastings [Thu, 19 May 2011 16:59:50 +0000 (16:59 +0000)]
Revise MOVSX16rr8/MOVZX16rr8 (and rm variants) to no longer be
pseudos. rdar://problem/
8614450
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131641
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Stuart Hastings [Thu, 19 May 2011 05:53:22 +0000 (05:53 +0000)]
Move test to Transforms/InstCombine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131634
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Thu, 19 May 2011 04:44:19 +0000 (04:44 +0000)]
Use the correct register class for Cell varargs spilling. This fixes all of the
verifier failures in the CodeGen/CellSPU tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131631
91177308-0d34-0410-b5e6-
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Mon P Wang [Thu, 19 May 2011 04:15:07 +0000 (04:15 +0000)]
Fixed sdiv and udiv for <4 x i16>. The test from r125402 still applies for this change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131630
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Charles Davis [Thu, 19 May 2011 04:04:13 +0000 (04:04 +0000)]
Implement the StartChained and EndChained Win64 EH methods on MCStreamer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131629
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Thu, 19 May 2011 03:11:06 +0000 (03:11 +0000)]
Make CodeGen/PowerPC/2007-09-11-RegCoalescerAssert.ll pass with the verifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131627
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Thu, 19 May 2011 02:56:28 +0000 (02:56 +0000)]
Fix PR8828 by removing the explicit def in MovePCToLR as well as the pointless
piclabel operand. The operand in the tablegen definition doesn't actually turn
into an MI operand, so it just confuses anything checking the TargetInstrDesc
for the number of operands. It suffices to just have an implicit def of LR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131626
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Cameron Zwarich [Thu, 19 May 2011 02:56:23 +0000 (02:56 +0000)]
Reuse the TargetInstrDesc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131625
91177308-0d34-0410-b5e6-
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Francois Pichet [Thu, 19 May 2011 02:54:11 +0000 (02:54 +0000)]
Fix the MSVC build.
Use a set of overloaded functions instead of template function for CreatePassFn.
It seems that template deduction for functions type that differs only by return type doesn't work with MSVC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131624
91177308-0d34-0410-b5e6-
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Charles Davis [Thu, 19 May 2011 02:49:00 +0000 (02:49 +0000)]
Implement the StartProc and EndProc Win64 EH methods on the base MCStreamer.
Based largely on Rafael Espindola's work on CFI. Other methods soon to follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131623
91177308-0d34-0410-b5e6-
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Charles Davis [Thu, 19 May 2011 02:47:23 +0000 (02:47 +0000)]
Fix build issues with headers, which I discovered by actually using them.
Also, convert all the inline functions on UnwindInfo into methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131622
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Rafael Espindola [Thu, 19 May 2011 02:35:26 +0000 (02:35 +0000)]
Add test for PR9946.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131621
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Rafael Espindola [Thu, 19 May 2011 02:26:30 +0000 (02:26 +0000)]
revert 131605 to fix PR9946.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131620
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Cameron Zwarich [Thu, 19 May 2011 02:18:27 +0000 (02:18 +0000)]
Correctly constrain a register class when computing frame offsets, as the Thumb2
add instruction takes an rGPR. This fixes the last of PR8825.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131619
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Thu, 19 May 2011 01:56:19 +0000 (01:56 +0000)]
Revert r128961 because it didn't include a test and causes the verifier to fail
on CodeGen/X86/2007-05-07-InvokeSRet.ll. There is probably a bug here that was
fixed by r128961, but since there is no test or reference to a source file I have
to revert it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131618
91177308-0d34-0410-b5e6-
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Eli Friedman [Thu, 19 May 2011 01:20:42 +0000 (01:20 +0000)]
Make the demanded bits/elements optimizations preserve debug line information.
I'm not sure this is quite ideal, but I can't really think of any better way to do it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131616
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Jim Grosbach [Thu, 19 May 2011 00:45:05 +0000 (00:45 +0000)]
Avoid a Twine that referenced a tmp (which proceded to go out of scope before
the Twine was used).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131612
91177308-0d34-0410-b5e6-
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Devang Patel [Thu, 19 May 2011 00:13:33 +0000 (00:13 +0000)]
Use IRBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131609
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 19 May 2011 00:13:04 +0000 (00:13 +0000)]
Another try at fixing cmake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131608
91177308-0d34-0410-b5e6-
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Devang Patel [Thu, 19 May 2011 00:09:21 +0000 (00:09 +0000)]
Use IRBuilder while simplifying unreachable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131607
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 19 May 2011 00:02:45 +0000 (00:02 +0000)]
Revert my previous patch. The cmake build had already been fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131606
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Devang Patel [Wed, 18 May 2011 23:59:51 +0000 (23:59 +0000)]
Use IRBuilder while simplifying conditional branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131605
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 23:58:37 +0000 (23:58 +0000)]
More instcombine cleanup, towards improving debug line info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131604
91177308-0d34-0410-b5e6-
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Jim Grosbach [Wed, 18 May 2011 23:56:43 +0000 (23:56 +0000)]
Restore sanity to 131601.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131603
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 18 May 2011 23:56:40 +0000 (23:56 +0000)]
Fix the cmake build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131602
91177308-0d34-0410-b5e6-
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Jim Grosbach [Wed, 18 May 2011 23:53:21 +0000 (23:53 +0000)]
Objective C functions may use a magic '\1' on the name. Handle that when
dealing with them in the MCJIT.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131601
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Eli Friedman [Wed, 18 May 2011 23:51:11 +0000 (23:51 +0000)]
Shuffle StandardPasses.cpp into VMCore; add it to CMake.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131600
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Devang Patel [Wed, 18 May 2011 23:18:47 +0000 (23:18 +0000)]
Use IRBuilder while simplifying branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131598
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 23:13:10 +0000 (23:13 +0000)]
Revert unintentional commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131597
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 23:11:30 +0000 (23:11 +0000)]
More instcombine simplifications towards better debug locations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131596
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Wed, 18 May 2011 23:03:10 +0000 (23:03 +0000)]
Add missing mayLoad / mayStore flags to instruction definitions without patterns,
which fixes all of the CodeGen/MBlaze verifier failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131595
91177308-0d34-0410-b5e6-
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Charles Davis [Wed, 18 May 2011 22:48:24 +0000 (22:48 +0000)]
Add a header patterned after MCDwarf.h for supporting Win64 exception handling
under MC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131593
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David Chisnall [Wed, 18 May 2011 22:46:02 +0000 (22:46 +0000)]
Some better type safety enforcement in the standard pass list, along with some small tidies and some fixes for bugs that the stricter checking found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131592
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Cameron Zwarich [Wed, 18 May 2011 22:24:48 +0000 (22:24 +0000)]
Reserve the segment registers on x86 to fix verifier failures in any code that
uses them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131591
91177308-0d34-0410-b5e6-
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Charles Davis [Wed, 18 May 2011 22:13:51 +0000 (22:13 +0000)]
Remove comments as Chris requested.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131590
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Cameron Zwarich [Wed, 18 May 2011 21:54:32 +0000 (21:54 +0000)]
Reserve r29 on Alpha. This fixes all verifier failures in CodeGen/Alpha.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131587
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Tanya Lattner [Wed, 18 May 2011 21:44:54 +0000 (21:44 +0000)]
Handle perfect shuffle case that generates a vrev for vectors of floats.
Add test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131582
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Eli Friedman [Wed, 18 May 2011 21:40:04 +0000 (21:40 +0000)]
Third pass at allowing plugins to modify default passes. This time with a tweak so that we don't depend on an uninitialized argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131581
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 21:33:11 +0000 (21:33 +0000)]
Use IRBuilder while simplifying return instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131580
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Wed, 18 May 2011 21:29:07 +0000 (21:29 +0000)]
Fix an obvious typo in r131572.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131579
91177308-0d34-0410-b5e6-
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Cameron Zwarich [Wed, 18 May 2011 21:25:14 +0000 (21:25 +0000)]
Fix more of PR8825. Now all of CodeGen/ARM passes with VerifyCoalescing turned on.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131578
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 18 May 2011 21:02:18 +0000 (21:02 +0000)]
When forming an ICmpZero LSRUse, normalize the non-IV operand
of the comparison, so that the resulting expression is fully
normalized. This fixes PR9939.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131576
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 20:58:47 +0000 (20:58 +0000)]
Set debug location while setting insertion point.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131575
91177308-0d34-0410-b5e6-
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Charles Davis [Wed, 18 May 2011 20:54:10 +0000 (20:54 +0000)]
Add some more Win64 EH directives:
- StartChained and EndChained delimit a chained unwind area, which can contain
additional operations to be undone if an exception occurs inside of it.
- UnwindOnly declares that this function doesn't handle any exceptions. If it
has a handler, it's an unwind handler instead of an exception handler.
- Lsda declares the location and size of the LSDA, which in the Win64 EH
scheme is kept inside the UNWIND_INFO struct. Windows itself ignores the
LSDA; it's used by the Language-Specific Handler (the "Personality Function"
from DWARF).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131572
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 20:53:17 +0000 (20:53 +0000)]
Spread use of IRBuilder even more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131571
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 20:39:27 +0000 (20:39 +0000)]
Revert r131556; it's breaking buildbots/clang tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131567
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 20:35:38 +0000 (20:35 +0000)]
Use IRBuilder while simplifying switch instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131566
91177308-0d34-0410-b5e6-
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Johnny Chen [Wed, 18 May 2011 20:32:41 +0000 (20:32 +0000)]
Disassembly of tBcc was wrongly adding 4 to the SignExtend'ed imm8:'0' immediate operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131565
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 20:01:18 +0000 (20:01 +0000)]
Use IRBuilder while simplifying unwind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131561
91177308-0d34-0410-b5e6-
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Chad Rosier [Wed, 18 May 2011 19:59:50 +0000 (19:59 +0000)]
Enables vararg functions that pass all arguments via registers to be optimized into tail-calls when possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131560
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 19:57:14 +0000 (19:57 +0000)]
More instcombine cleanup aimed towards improving debug line info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131559
91177308-0d34-0410-b5e6-
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Stuart Hastings [Wed, 18 May 2011 19:19:17 +0000 (19:19 +0000)]
An imminent fix to the x86_64 byval logic will expose a flaw in the
x86_64 sibcall logic. I've filed PR9943 for the sibcall problem, and
this patch alters the testcase to work around the flaw. When PR9943
is fixed, this patch should be reverted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131557
91177308-0d34-0410-b5e6-
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David Chisnall [Wed, 18 May 2011 19:00:41 +0000 (19:00 +0000)]
Second pass at allowing plugins to modify default passes. This time without bonus inter-library dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131556
91177308-0d34-0410-b5e6-
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Evan Cheng [Wed, 18 May 2011 18:59:17 +0000 (18:59 +0000)]
Revise r131553. Just use the type of the input node and forgo the bitcast. rdar://
9449159.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131555
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Evan Cheng [Wed, 18 May 2011 18:47:27 +0000 (18:47 +0000)]
Fix an ARMTargetLowering::LowerSELECT bug: legalized result must have same type as input. Sorry test cases only trigger when dag combine is disabled. rdar://
9449178
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131553
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Devang Patel [Wed, 18 May 2011 18:43:31 +0000 (18:43 +0000)]
Use IRBuilder while simplifying terminator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131552
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 18:28:48 +0000 (18:28 +0000)]
Use IRBuilder while simplifying unconditional branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131551
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 18:16:44 +0000 (18:16 +0000)]
Use IRBuilder while folding two entry PHINode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131548
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 18:10:28 +0000 (18:10 +0000)]
Switch more inst insertion in instcombine to IRBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131547
91177308-0d34-0410-b5e6-
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Chad Rosier [Wed, 18 May 2011 18:07:16 +0000 (18:07 +0000)]
Correct typos in TestingGuide.html
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131546
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 18:01:27 +0000 (18:01 +0000)]
Set up IRBuilder for use during simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131545
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 17:58:37 +0000 (17:58 +0000)]
Switch more inst insertion in instcombine to IRBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131544
91177308-0d34-0410-b5e6-
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Matt Beaumont-Gay [Wed, 18 May 2011 17:37:10 +0000 (17:37 +0000)]
fix typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131543
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 17:31:55 +0000 (17:31 +0000)]
Switch inst insertion in instcombine transform to IRBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131542
91177308-0d34-0410-b5e6-
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Devang Patel [Wed, 18 May 2011 17:26:46 +0000 (17:26 +0000)]
Use IRBuiler while constant folding terminator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131541
91177308-0d34-0410-b5e6-
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Eli Friedman [Wed, 18 May 2011 17:16:37 +0000 (17:16 +0000)]
Force a triple on a couple of tests; we don't support fast-isel of ret on Win64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131540
91177308-0d34-0410-b5e6-
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Stuart Hastings [Wed, 18 May 2011 17:02:04 +0000 (17:02 +0000)]
Merge pmovzx test case into existing file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131539
91177308-0d34-0410-b5e6-
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Stuart Hastings [Wed, 18 May 2011 15:54:26 +0000 (15:54 +0000)]
Fix inelegant initialization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131538
91177308-0d34-0410-b5e6-
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Justin Holewinski [Wed, 18 May 2011 15:42:23 +0000 (15:42 +0000)]
PTX: add flag to disable mad/fma selection
Patch by Dan Bailey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131537
91177308-0d34-0410-b5e6-
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Duncan Sands [Wed, 18 May 2011 14:57:56 +0000 (14:57 +0000)]
Revert commit 131534 since it seems to have broken several buildbots.
Original log entry:
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
code in one place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131536
91177308-0d34-0410-b5e6-
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Nadav Rotem [Wed, 18 May 2011 12:26:38 +0000 (12:26 +0000)]
Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'
code in one place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131534
91177308-0d34-0410-b5e6-
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Duncan Sands [Wed, 18 May 2011 10:59:25 +0000 (10:59 +0000)]
Now that SrcBits and DestBits always represent the primitive size, rather
than either the primitive size or the element primitive size (in the case
of vectors), simplify the vector logic. No functionality change. There
is some distracting churn in the patch because I lined up comments better
while there - sorry about that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131533
91177308-0d34-0410-b5e6-
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Duncan Sands [Wed, 18 May 2011 09:21:57 +0000 (09:21 +0000)]
Tighten up checking of the validity of casts. (1) The IR parser would
happily accept things like "sext <2 x i32> to <999 x i64>". It would
also accept "sext <2 x i32> to i64", though the verifier would catch
that later. Fixed by having castIsValid check that vector lengths match
except when doing a bitcast. (2) When creating a cast instruction, check
that the cast is valid (this was already done when creating constexpr
casts). While there, replace getScalarSizeInBits (used to allow more
vector casts) with getPrimitiveSizeInBits in getCastOpcode and isCastable
since vector to vector casts are now handled explicitly by passing to the
element types; i.e. this bit should result in no functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131532
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Duncan Sands [Wed, 18 May 2011 07:13:41 +0000 (07:13 +0000)]
Teach getCastOpcode about element-by-element vector casts. For example, "trunc"
can be used to turn a <4 x i64> into a <4 x i32> but getCastOpcode would assert
if you passed these types to it. Note that this strictly extends the previous
functionality: if getCastOpcode previously accepted two vector types (i.e. didn't
assert) then it still will and returns the same opcode (BitCast). That's because
before it would only accept vectors with the same bitwidth, and the new code only
touches vectors with the same length. However if two vectors have both the same
bitwidth and the same length then their element types have the same bitwidth, so
the new logic will return BitCast as before.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131530
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Tanya Lattner [Wed, 18 May 2011 06:42:21 +0000 (06:42 +0000)]
In r131488 I misunderstood how VREV works. It splits the vector in half and splits each half. Therefore, the real problem was that we were using a VREV64 for a 4xi16, when we should have been using a VREV32.
Updated test case and reverted change to the PerfectShuffle Table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131529
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Charles Davis [Wed, 18 May 2011 04:58:05 +0000 (04:58 +0000)]
Implement the Win64 EH directive methods for the assembly language streamer.
GAS has no such directives (not even mingw-w64 GAS has them), so I took
creative license with their names in assembly. I prefixed them all with
"w64_" to avoid namespace collisions, for example. If I discover that GAS
has taken a different approach, I'll change ours to match.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131525
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Jakob Stoklund Olesen [Wed, 18 May 2011 04:51:15 +0000 (04:51 +0000)]
Eliminate dead dead code elimination code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131524
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Jakob Stoklund Olesen [Wed, 18 May 2011 04:51:12 +0000 (04:51 +0000)]
Also use shrinkToUses after AdjustCopiesBackFrom().
The 'last use' may not be in the same basic block, and we still want a correct
live range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131523
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Charles Davis [Wed, 18 May 2011 04:47:22 +0000 (04:47 +0000)]
While thinking about how to know where the functions' boundaries are for
the purposes of the Win64 EH tables, I realized we had no way to tell where
the function ends. (MASM bounds functions with PROC and ENDP keywords.)
Add a directive to delimit the end of the function, and rename the 'frame'
directive to more accurately reflect its duality with the new directive.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131522
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Jakob Stoklund Olesen [Wed, 18 May 2011 04:18:19 +0000 (04:18 +0000)]
Properly shrink live ranges after deleting dead copies. Clean up after all joined copies.
LiveInterval::shrinkToUses recomputes the live range from scratch instead of
removing snippets. This should avoid the problem with dangling live ranges.
Leave physreg identity copies alone. They can be created when joining a virtreg
with a physreg. They don't affect register allocation, and they will be removed
by the rewriter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131521
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Cameron Zwarich [Wed, 18 May 2011 02:29:50 +0000 (02:29 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131519
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Cameron Zwarich [Wed, 18 May 2011 02:20:07 +0000 (02:20 +0000)]
Fix more of PR8825 by correctly using rGPR registers when lowering atomic
compare-and-swap intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131518
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Eli Friedman [Wed, 18 May 2011 01:28:27 +0000 (01:28 +0000)]
Start trying to make InstCombine preserve more debug info. The idea here is to set the debug location on the IRBuilder, which will be then right location in most cases. This should magically give many transformations debug locations, and fixing places which are missing a debug location will usually just means changing the code creating it to use the IRBuilder.
As an example, the change to InstCombineCalls catches a common case where a call to a bitcast of a function is rewritten.
Chris, does this approach look reasonable?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131516
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Eli Friedman [Wed, 18 May 2011 00:32:01 +0000 (00:32 +0000)]
Use ReplaceInstUsesWith instead of replaceAllUsesWith where appropriate in instcombine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131512
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Eli Friedman [Wed, 18 May 2011 00:00:10 +0000 (00:00 +0000)]
Make some of the fast-isel tests actually test fast-isel (and fix test failures).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131510
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Devang Patel [Tue, 17 May 2011 23:29:05 +0000 (23:29 +0000)]
Preseve line numbers while simplifying CFG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131508
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Cameron Zwarich [Tue, 17 May 2011 23:26:20 +0000 (23:26 +0000)]
Actually, the address operand of the Thumb2 LDREX / STREX instructions *can*
take r13, so we can just make it a GPR. This fixes PR8825.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131507
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Cameron Zwarich [Tue, 17 May 2011 23:11:12 +0000 (23:11 +0000)]
Correct a minor problem with the Thumb2 LDREX and STREX instruction encodings. They
were marked as taking a tGPR when in reality they take an rGPR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131506
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Bill Wendling [Tue, 17 May 2011 23:05:13 +0000 (23:05 +0000)]
Conditionalize the format of the GCOV files by target type. Darwin uses the 4.2
format.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131503
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Eli Friedman [Tue, 17 May 2011 23:02:10 +0000 (23:02 +0000)]
Make fast-isel miss counting in -stats and -fast-isel-verbose take terminators into account; since there are many fewer isel misses with recent changes, misses caused by terminators are more significant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131502
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Dan Gohman [Tue, 17 May 2011 22:22:52 +0000 (22:22 +0000)]
Misc. code cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131497
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Dan Gohman [Tue, 17 May 2011 22:20:36 +0000 (22:20 +0000)]
Misc. code cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131495
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Stuart Hastings [Tue, 17 May 2011 22:13:31 +0000 (22:13 +0000)]
X86 pmovsx/pmovzx ignore the upper half of their inputs.
rdar://problem/
6945110
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131493
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Tanya Lattner [Tue, 17 May 2011 20:48:40 +0000 (20:48 +0000)]
vrev is incorrectly defined in the perfect shuffle table. The ordering is backwards (should be 0x3210 versus 0x1032) which exposed a bug when doing a shuffle on a 4xi16. I've attached a test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131488
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Devang Patel [Tue, 17 May 2011 20:00:02 +0000 (20:00 +0000)]
Preserve line number information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131482
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Devang Patel [Tue, 17 May 2011 19:43:38 +0000 (19:43 +0000)]
Set debug loc for new load instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131481
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Devang Patel [Tue, 17 May 2011 19:43:06 +0000 (19:43 +0000)]
Preserve line number information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131480
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Galina Kistanova [Tue, 17 May 2011 19:06:43 +0000 (19:06 +0000)]
Move test for appropriate directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131477
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