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Author SHA1 Message Date
Jakob Stoklund Olesen
e7c2c15b0c Add register mask support to RAGreedy. 
This only adds the interference checks required for correctness.
We still need to take advantage of register masks for the
interference driven live range splitting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150191 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 18:25:05 +00:00
Devang Patel
cd37fd51fc Now subprogram descriptors are not collected by llvm.dbg.sp NamedMDNode. Update document to reflect this change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150187 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 17:34:01 +00:00
Benjamin Kramer
c1322a13b5 Tweak comment readability and grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150183 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 16:28:15 +00:00
Sirish Pande
b9f69a41fc Test for commit access. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150178 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 15:20:33 +00:00
Benjamin Kramer
d469274743 GlobalOpt: Be more aggressive about elminating side-effect free static dtors. 
GlobalOpt runs early in the pipeline (before inlining) and complex class
hierarchies often introduce bitcasts or GEPs which weren't optimized away.
Teach it to ignore side-effect free instructions instead of depending on
other passes to remove them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150174 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 14:26:06 +00:00
Benjamin Kramer
2c6ae095b8 Store just the SimpleValueType in the generated VT tables for each register class, eliminating static ctors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150173 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 12:35:37 +00:00
Benjamin Kramer
133f9d9894 Move the Name field in MCInstrDesc to the end, saving 8 bytes of padding per entry on x86_64. 
No change on i386.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150170 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 11:25:09 +00:00
James Molloy
3015dfb7d7 Teach the MC and disassembler about SoftFail, and hook it up to UNPREDICTABLE on ARM. Wire this to tBLX in order to provide test coverage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150169 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 10:56:31 +00:00
Craig Topper
f41ab77847 More tweaks to get the size of the X86 disassembler tables down. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150167 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 08:58:07 +00:00
Craig Topper
ce8f4c58d8 Flatten some of the arrays in the X86 disassembler tables to reduce space needed to store pointers on 64-bit hosts and reduce relocations needed at startup. Part of PR11953. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150161 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 07:45:30 +00:00
Lang Hames
72a043f9d6 Preserve physreg kills in MachineBasicBlock::SplitCriticalEdge. 
Failure to preserve kills was causing LiveIntervals to miss some EFLAGS live
ranges. Unfortunately I've been unable to reduce a good test case yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150152 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 05:59:36 +00:00
NAKAMURA Takumi
c1b18e7549 test/CodeGen/X86/atom-lea-sp.ll: Add explicit -mtriple=i686-linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150151 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 05:12:58 +00:00
Lang Hames
fb08b90bf4 Fix kill flags when moving instructions using LiveIntervals::moveInstr(...). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150150 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 04:45:38 +00:00
Lang Hames
394d712711 Remove assertion. Not all use operands are reads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150149 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 04:39:48 +00:00
Andrew Trick
f7b96311d2 Improve TargetPassConfig. No intended functionality. 
Split CodeGen into stages.
Distinguish between optimization and correctness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150122 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 00:40:55 +00:00
Andrew Trick
78b2961f4d comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150121 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 00:40:52 +00:00
David Blaikie
4eebfb8b39 Remove static initializer from DataStream.cpp 
If someone would prefer a clear name for the 'success' error_value we could
come up with one - potentially just a 'named constructor' style
'error_value::success()' to make this expression more self-documenting. If
I see this come up in other cases I'll certainly consider it.

One step along the way to resolving PR11944.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150120 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 00:29:19 +00:00
Jakob Stoklund Olesen
f56ce53124 Erase dead copies that are clobbered by a call. 
This does make a difference, at least when using RABasic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150118 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 00:19:08 +00:00
Jakob Stoklund Olesen
450b3850ce Handle register masks when searching for EFLAGS clobbers. 
Calls clobber the flags, but when using register masks there is no
EFLAGS<imp-def> operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150117 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 00:17:22 +00:00
Jakob Stoklund Olesen
39284d191a Never delete instructions that define reserved registers. 
I think this was already the intention, but DeadMachineInstructionElim
was accidentally tracking the liveness of reserved registers. Now,
instructions with reserved defs are never deleted.

This prevents the call stack adjustment instructions from getting
deleted when enabling register masks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150116 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-09 00:15:39 +00:00
Jakob Stoklund Olesen
a8fc171b3f Handle register masks in MachineCopyPropagation. 
For simplicity, treat calls with register masks as basic block
boundaries.  This means we can't copy propagate callee-saved registers
across calls, but I don't think that is a big deal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150108 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 22:37:35 +00:00
Evan Cheng
54a4ce431f Commit Andy Zhang's test for the lea patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150107 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 22:33:17 +00:00
Chris Lattner
4526195eca fix broken link 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150105 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 22:20:00 +00:00
Kostya Serebryany
95e3cf44a9 [asan] unpoison the stack before every noreturn call. Fixes asan issue 37. llvm part 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150102 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:36:17 +00:00
Andrew Trick
1dd8c8560d Codegen pass definition cleanup. No functionality. 
Moving toward a uniform style of pass definition to allow easier target configuration.
Globally declare Pass ID.
Globally declare pass initializer.
Use INITIALIZE_PASS consistently.
Add a call to the initializer from CodeGen.cpp.
Remove redundant "createPass" functions and "getPassName" methods.

While cleaning up declarations, cleaned up comments (sorry for large diff).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150100 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:23:13 +00:00
Andrew Trick
9d41bd5c78 Move pass configuration out of pass constructors: MachineLICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150099 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:23:03 +00:00
Andrew Trick
9f17cf625d whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150098 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:23:00 +00:00
Andrew Trick
32986572bf Move pass configuration out of pass constructors: StackSlotColoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150097 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:22:57 +00:00
Andrew Trick
c7d081b594 Move pass configuration out of pass constructors: PostRAScheduler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150096 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:22:53 +00:00
Andrew Trick
61f1e3db43 Move pass configuration out of pass constructors: BranchFolderPass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150095 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:22:48 +00:00
Andrew Trick
1df91b0e54 whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150094 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:22:43 +00:00
Andrew Trick
ffea03f216 Added TargetPassConfig::setOpt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150093 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:22:39 +00:00
Andrew Trick
ebe18ef5c2 Added Pass::createPass(ID) to handle pass configuration by ID 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150092 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:22:34 +00:00
Andrew Trick
d2a7bedbc9 Move pass configuration out of pass constructors: TailDuplicate::PreRegAlloc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150091 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 21:22:30 +00:00
Jakob Stoklund Olesen
a94e635cec Add Register mask support to RABasic. 
When a virtual register is live across a call, limit the search space to
call-preserved registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150081 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 18:54:35 +00:00
Benjamin Kramer
9bcc7a6973 Don't map registers to the invalid dwarf register (-1). It's the default value. 
X86GenRegisterInfo.inc | 1032 -------------------------------------------------
  1 file changed, 1032 deletions(-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150080 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 18:46:26 +00:00
Brendon Cahoon
c635ebdb1a Use TSFlag bit to describe instruction properties. 
Creating the isPredicated TSFlag enables the code
to use the property defined in the instruction format
instead of using a large switch statement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150078 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 18:25:47 +00:00
Jakob Stoklund Olesen
3fd3a840c5 Keep track of register masks in LiveIntervalAnalysis. 
Build an ordered vector of register mask operands (i.e., calls) when
computing live intervals. Provide a checkRegMaskInterference() function
that computes a bit mask of usable registers for a live range.

This is a quick way of determining of a live range crosses any calls,
and restricting it to the callee saved registers if it does.
Previously, we had to discover call clobbers for each candidate register
independently.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150077 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 17:33:45 +00:00
Benjamin Kramer
90a468c424 Value initialize MCRegisterClasses. Not sure how could miss this during the MCTargetDesc refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150076 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 14:43:53 +00:00
Duncan Sands
8c160548ce Use Use::set rather than finding the operand number of the use 
and setting that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150074 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 14:10:53 +00:00
Benjamin Kramer
80fd2a1972 PathV2: Remove static StringRef ctors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150071 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 13:13:47 +00:00
Elena Demikhovsky
f602040c49 Fixed a bug in printing "cmp" pseudo ops. 
> This IR code
> %res = call <8 x float> @llvm.x86.avx.cmp.ps.256(<8 x float> %a0, <8 x float> %a1, i8 14)
> fails with assertion:
>
> llc: X86ATTInstPrinter.cpp:62: void llvm::X86ATTInstPrinter::printSSECC(const llvm::MCInst*, unsigned int, llvm::raw_ostream&): Assertion `0 && "Invalid ssecc argument!"' failed.
> 0  llc             0x0000000001355803
> 1  llc             0x0000000001355dc9
> 2  libpthread.so.0 0x00007f79a30575d0
> 3  libc.so.6       0x00007f79a23a1945 gsignal + 53
> 4  libc.so.6       0x00007f79a23a2f21 abort + 385
> 5  libc.so.6       0x00007f79a239a810 __assert_fail + 240
> 6  llc             0x00000000011858d5 llvm::X86ATTInstPrinter::printSSECC(llvm::MCInst const*, unsigned int, llvm::raw_ostream&) + 119

I added the full testing for all possible pseudo-ops of cmp.
I extended X86AsmPrinter.cpp and X86IntelInstPrinter.cpp.

You'l also see lines alignments (unrelated to this fix) in X86IselLowering.cpp from my previous check-in.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150068 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 08:37:26 +00:00
Craig Topper
bc0e4bf754 Remove a couple unneeded intrinsic patterns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150067 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 08:29:30 +00:00
Chris Lattner
4871701437 No actual functional change here, just some clarifications: 
Clarify that contributors are agreeing to license their code under the 
license corresponding to the subproject that they are contributing to,
as requested by a potential contributor.

Also, as a drive-by, update the llvm-gcc/GPL section to mention dragonegg
and say that GPL code is all in its own repo's.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150065 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 07:58:38 +00:00
Craig Topper
5a313bb7e8 Remove GCC builtins for vpermilp* intrinsics as clang no longer needs them. Custom lower the intrinsics to the vpermilp target specific node and remove intrinsic patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150060 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 06:36:57 +00:00
Chad Rosier
743e19983e [fast-isel] Add support for SUBs with non-legal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150047 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 02:45:44 +00:00
Chad Rosier
176346d021 Add comment to test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150046 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 02:30:12 +00:00
Chad Rosier
6fde875621 [fast-isel] Add support for ORs with non-legal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150045 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 02:29:21 +00:00
Andrew Trick
99a7a13f4a Added MachineInstr::isBundled() to check if an instruction is part of a bundle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150044 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 02:17:25 +00:00
Andrew Trick
291411c7a1 misched: bug in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150043 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-08 02:17:21 +00:00