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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2015-05-20 20:10:26 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2015-05-20 20:10:26 +0000 |
| commit | a74480d1eb726cac1372f995e7b96dac899cf5da (patch) | |
| tree | b922cefe793fad23db9d101ad433279cafe7c62e /llvm/lib/Target | |
| parent | 35522001faa829308aa9aec5601c1a1ab5fb290c (diff) | |
| download | bcm5719-llvm-a74480d1eb726cac1372f995e7b96dac899cf5da.tar.gz bcm5719-llvm-a74480d1eb726cac1372f995e7b96dac899cf5da.zip | |
[X86] Remove unused node after morphing it from shr to and.
In some cases it won't get cleaned up properly leading to crashes
downstream. PR23353.
Based on a patch by Davide Italiano.
llvm-svn: 237828
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 964a599e881..5b99adcb1bd 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -12737,6 +12737,7 @@ SDValue X86TargetLowering::EmitTest(SDValue Op, unsigned X86CC, SDLoc dl, SDValue New = DAG.getNode(ISD::AND, dl, VT, Op->getOperand(0), DAG.getConstant(Mask, dl, VT)); DAG.ReplaceAllUsesWith(Op, New); + DAG.RemoveDeadNode(Op.getNode()); Op = New; } break; |
