diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2010-03-01 22:00:11 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-03-01 22:00:11 +0000 |
| commit | 87d50aa18afc331d8a699cb585cca0bada105653 (patch) | |
| tree | a9832724ecf8d8e16dee3e127ca06c0d7c491e98 /llvm/lib/Target/X86/X86ISelLowering.cpp | |
| parent | 33758dcad200177cc3d7184416a42b40648eaa8a (diff) | |
| download | bcm5719-llvm-87d50aa18afc331d8a699cb585cca0bada105653.tar.gz bcm5719-llvm-87d50aa18afc331d8a699cb585cca0bada105653.zip | |
Remove the optimize for code size limitation on r67917. Optimize 64-bit imul by constants into leas + shl regardless if optimizing for code size. The size saving from using imulq isn't worth it. Also, the lea and shl instructions may expose further optimization.
llvm-svn: 97507
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index b0a1bff04c1..8cfc1b28415 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -9233,10 +9233,6 @@ static SDValue PerformANDCombine(SDNode *N, SelectionDAG &DAG, /// LEA + SHL, LEA + LEA. static SDValue PerformMulCombine(SDNode *N, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI) { - if (DAG.getMachineFunction(). - getFunction()->hasFnAttr(Attribute::OptimizeForSize)) - return SDValue(); - if (DCI.isBeforeLegalize() || DCI.isCalledByLegalizer()) return SDValue(); |
