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Author SHA1 Message Date
Lang Hames 2176edf1c4 Fix kill flags when moving instructions using LiveIntervals::moveInstr(...). 
llvm-svn: 150150
 2012-02-09 04:45:38 +00:00
Lang Hames 95d6edeba8 Remove assertion. Not all use operands are reads. 
llvm-svn: 150149
 2012-02-09 04:39:48 +00:00
Andrew Trick f542675ae3 Improve TargetPassConfig. No intended functionality. 
Split CodeGen into stages.
Distinguish between optimization and correctness.

llvm-svn: 150122
 2012-02-09 00:40:55 +00:00
Andrew Trick c24e09b226 comment 
llvm-svn: 150121
 2012-02-09 00:40:52 +00:00
David Blaikie e7d7a5dfaa 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.

llvm-svn: 150120
 2012-02-09 00:29:19 +00:00
Jakob Stoklund Olesen 938b4d26f1 Erase dead copies that are clobbered by a call. 
This does make a difference, at least when using RABasic.

llvm-svn: 150118
 2012-02-09 00:19:08 +00:00
Jakob Stoklund Olesen 4519fd0b21 Handle register masks when searching for EFLAGS clobbers. 
Calls clobber the flags, but when using register masks there is no
EFLAGS<imp-def> operand.

llvm-svn: 150117
 2012-02-09 00:17:22 +00:00
Jakob Stoklund Olesen 5d33291e8e 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.

llvm-svn: 150116
 2012-02-09 00:15:39 +00:00
Jakob Stoklund Olesen 8610a59de1 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.

llvm-svn: 150108
 2012-02-08 22:37:35 +00:00
Evan Cheng 55e7d6aeff Commit Andy Zhang's test for the lea patch. 
llvm-svn: 150107
 2012-02-08 22:33:17 +00:00
Chris Lattner 8776bc13f5 fix broken link 
llvm-svn: 150105
 2012-02-08 22:20:00 +00:00
Kostya Serebryany 154a54d972 [asan] unpoison the stack before every noreturn call. Fixes asan issue 37. llvm part 
llvm-svn: 150102
 2012-02-08 21:36:17 +00:00
Andrew Trick 1fa5bcbe2a 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).

llvm-svn: 150100
 2012-02-08 21:23:13 +00:00
Andrew Trick c40815de62 Move pass configuration out of pass constructors: MachineLICM. 
llvm-svn: 150099
 2012-02-08 21:23:03 +00:00
Andrew Trick 5209c739cd whitespace 
llvm-svn: 150098
 2012-02-08 21:23:00 +00:00
Andrew Trick 3ed444a16a Move pass configuration out of pass constructors: StackSlotColoring. 
llvm-svn: 150097
 2012-02-08 21:22:57 +00:00
Andrew Trick df7e3769b5 Move pass configuration out of pass constructors: PostRAScheduler. 
llvm-svn: 150096
 2012-02-08 21:22:53 +00:00
Andrew Trick 58648e4e98 Move pass configuration out of pass constructors: BranchFolderPass 
llvm-svn: 150095
 2012-02-08 21:22:48 +00:00
Andrew Trick 9e761997d8 whitespace 
llvm-svn: 150094
 2012-02-08 21:22:43 +00:00
Andrew Trick dd37d52f95 Added TargetPassConfig::setOpt 
llvm-svn: 150093
 2012-02-08 21:22:39 +00:00
Andrew Trick 3a61b7862b Added Pass::createPass(ID) to handle pass configuration by ID 
llvm-svn: 150092
 2012-02-08 21:22:34 +00:00
Andrew Trick c044917a8a Move pass configuration out of pass constructors: TailDuplicate::PreRegAlloc 
llvm-svn: 150091
 2012-02-08 21:22:30 +00:00
Jakob Stoklund Olesen 0c1eea2922 Add Register mask support to RABasic. 
When a virtual register is live across a call, limit the search space to
call-preserved registers.

llvm-svn: 150081
 2012-02-08 18:54:35 +00:00
Benjamin Kramer 0e4319ec99 Don't map registers to the invalid dwarf register (-1). It's the default value. 
X86GenRegisterInfo.inc | 1032 -------------------------------------------------
  1 file changed, 1032 deletions(-)

llvm-svn: 150080
 2012-02-08 18:46:26 +00:00
Brendon Cahoon 6f35837048 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.

llvm-svn: 150078
 2012-02-08 18:25:47 +00:00
Jakob Stoklund Olesen 3ff74d8e62 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.

llvm-svn: 150077
 2012-02-08 17:33:45 +00:00
Benjamin Kramer fbe5d3a78f Value initialize MCRegisterClasses. Not sure how could miss this during the MCTargetDesc refactor. 
llvm-svn: 150076
 2012-02-08 14:43:53 +00:00
Duncan Sands 0920308a7e Use Use::set rather than finding the operand number of the use 
and setting that.

llvm-svn: 150074
 2012-02-08 14:10:53 +00:00
Benjamin Kramer 5e4f0a4a31 PathV2: Remove static StringRef ctors. 
llvm-svn: 150071
 2012-02-08 13:13:47 +00:00
Elena Demikhovsky 1adc1d53dd 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.

llvm-svn: 150068
 2012-02-08 08:37:26 +00:00
Craig Topper 172b9243cd Remove a couple unneeded intrinsic patterns 
llvm-svn: 150067
 2012-02-08 08:29:30 +00:00
Chris Lattner 13f118f47b 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.

llvm-svn: 150065
 2012-02-08 07:58:38 +00:00
Craig Topper 5405571fe0 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. 
llvm-svn: 150060
 2012-02-08 06:36:57 +00:00
Chad Rosier 0ee8c513f7 [fast-isel] Add support for SUBs with non-legal types. 
llvm-svn: 150047
 2012-02-08 02:45:44 +00:00
Chad Rosier bfe7393d7d Add comment to test case. 
llvm-svn: 150046
 2012-02-08 02:30:12 +00:00
Chad Rosier bd471255a9 [fast-isel] Add support for ORs with non-legal types. 
llvm-svn: 150045
 2012-02-08 02:29:21 +00:00
Andrew Trick 3bc0e0c651 Added MachineInstr::isBundled() to check if an instruction is part of a bundle. 
llvm-svn: 150044
 2012-02-08 02:17:25 +00:00
Andrew Trick e57583ab19 misched: bug in debug output. 
llvm-svn: 150043
 2012-02-08 02:17:21 +00:00
Andrew Trick 036fece5bb whitespace 
llvm-svn: 150042
 2012-02-08 02:17:18 +00:00
Andrew Trick de9f8979c4 stale comment 
llvm-svn: 150041
 2012-02-08 02:17:16 +00:00
Chris Lattner 042e3720c3 add an explicit section on static constructors. 
llvm-svn: 150037
 2012-02-08 01:44:00 +00:00
Kostya Serebryany 5c3c1286a5 Don't use static CTORs for the Attributes constants, while still keeping the class type-safe 
llvm-svn: 150031
 2012-02-08 01:11:21 +00:00
Eric Christopher ae56eecf5f Add support for a temporary forward decl type. We want this so we 
can rauw forward declarations if we decide to emit the full type.

Part of rdar://10809898

llvm-svn: 150024
 2012-02-08 00:22:26 +00:00
Devang Patel a93cc25b79 Remove tabs. 
llvm-svn: 150022
 2012-02-08 00:17:07 +00:00
Chad Rosier ded4c99f2e [fast-isel] Add support for indirect branches. 
llvm-svn: 150014
 2012-02-07 23:56:08 +00:00
Devang Patel d925d1a8d7 Remove tabs. 
llvm-svn: 150012
 2012-02-07 23:33:58 +00:00
Evan Cheng 1b81fddd65 Use LEA to adjust stack ptr for Atom. Patch by Andy Zhang. 
llvm-svn: 150008
 2012-02-07 22:50:41 +00:00
Hal Finkel 61f210b5c0 Allow bugpoint to recognize -bb-vectorize 
llvm-svn: 150003
 2012-02-07 21:11:12 +00:00
David Blaikie 0210e97680 Correct use of const in ParseCommandLineOptions 
llvm-svn: 149999
 2012-02-07 19:36:01 +00:00
Benjamin Kramer 57d2c78572 ocaml bindings: landing pad is now the last opcode. 
llvm-svn: 149997
 2012-02-07 18:58:19 +00:00