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| author | Fangrui Song <maskray@google.com> | 2018-07-13 21:40:08 +0000 |
|---|---|---|
| committer | Fangrui Song <maskray@google.com> | 2018-07-13 21:40:08 +0000 |
| commit | dcdc9ac7a2a8717e503cdf2ba63b1f26e30846bb (patch) | |
| tree | e01781f46bb03e2a3ff99268e64948bb1693d0e8 /llvm/lib | |
| parent | 9fe8af7e00983fc552098b8c83bbc178bea8b208 (diff) | |
| download | bcm5719-llvm-dcdc9ac7a2a8717e503cdf2ba63b1f26e30846bb.tar.gz bcm5719-llvm-dcdc9ac7a2a8717e503cdf2ba63b1f26e30846bb.zip | |
[X86] Correct comment of TEST elimination in BSF/TZCNT
llvm-svn: 337052
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 82f52a3247f..98995a73980 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -33447,9 +33447,9 @@ static SDValue combineCMov(SDNode *N, SelectionDAG &DAG, } } - // Handle (CMOV (ADD (CTTZ X), C), C-1, (X != 0)) -> + // Handle (CMOV C-1, (ADD (CTTZ X), C), (X != 0)) -> // (ADD (CMOV (CTTZ X), -1, (X != 0)), C) or - // (CMOV C-1, (ADD (CTTZ X), C), (X == 0)) -> + // (CMOV (ADD (CTTZ X), C), C-1, (X == 0)) -> // (ADD (CMOV C-1, (CTTZ X), (X == 0)), C) if (CC == X86::COND_NE || CC == X86::COND_E) { auto *Cnst = CC == X86::COND_E ? dyn_cast<ConstantSDNode>(TrueOp) |
