Manman Ren 9bccb64e56 X86: replace SUB with CMP if possible ...

This patch will optimize the following
        movq    %rdi, %rax
        subq    %rsi, %rax
        cmovsq  %rsi, %rdi
        movq    %rdi, %rax
to
        cmpq    %rsi, %rdi
        cmovsq  %rsi, %rdi
        movq    %rdi, %rax

Perform this optimization if the actual result of SUB is not used.

rdar: 11540023
llvm-svn: 157755

2012-05-31 17:20:29 +00:00

..

Mangler.h

Prune some includes and forward declarations.

2012-03-25 18:09:44 +00:00

Target.td

Teach tblgen's set theory "sequence" operator to support an optional stride operand.

2012-05-24 21:37:08 +00:00

TargetCallingConv.h

Minimize #include's and forward-declares in Target.

2011-12-10 22:35:47 +00:00

TargetCallingConv.td

Add TableGen support for callee saved registers.

2012-01-17 22:46:58 +00:00

TargetData.h

Haven't yet found a nice way to handle TargetData verification in the

2011-10-20 19:24:44 +00:00

TargetELFWriterInfo.h

[Hexagon] Clean up Hexagon ELF definition.

2012-05-17 16:46:46 +00:00

TargetFrameLowering.h

Prune some includes and forward declarations.

2012-03-25 18:09:44 +00:00

TargetInstrInfo.h

X86: replace SUB with CMP if possible

2012-05-31 17:20:29 +00:00

TargetIntrinsicInfo.h

land David Blaikie's patch to de-constify Type, with a few tweaks.

2011-07-18 04:54:35 +00:00

TargetJITInfo.h

Prune some includes and forward declarations.

2012-03-25 18:09:44 +00:00

TargetLibraryInfo.h

fix pr12559: mark unavailable win32 math libcalls

2012-04-17 23:05:54 +00:00

TargetLowering.h

Change interface for TargetLowering::LowerCallTo and TargetLowering::LowerCall

2012-05-25 16:35:28 +00:00

TargetLoweringObjectFile.h

Prune some includes and forward declarations.

2012-03-25 18:09:44 +00:00

TargetMachine.h

Move the TLSModel information into the TargetMachine rather than hiding

2012-04-08 17:20:55 +00:00

TargetOpcodes.h

First chunk of MachineInstr bundle support.

2011-12-06 22:12:01 +00:00

TargetOptions.h

Comment typo fix.

2012-04-11 08:13:47 +00:00

TargetRegisterInfo.h

Add a PrintRegUnit helper similar to PrintReg.

2012-05-31 17:18:29 +00:00

TargetSchedule.td

…

TargetSelectionDAG.td

Rename @llvm.debugger to @llvm.debugtrap.

2012-05-14 18:58:10 +00:00

TargetSelectionDAGInfo.h

…

TargetSubtargetInfo.h

Prune some includes and forward declarations.

2012-03-25 18:09:44 +00:00