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| author | Craig Topper <craig.topper@intel.com> | 2017-11-29 23:08:25 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-11-29 23:08:25 +0000 |
| commit | 56a41d4b3a0c44f83f1763c39120eaea45bb8996 (patch) | |
| tree | f55aef9aa35c15f7ba4dbe11a1819e140cda81e2 | |
| parent | 4b1acff9b3924a643791015eba08af57d91f81fa (diff) | |
| download | bcm5719-llvm-56a41d4b3a0c44f83f1763c39120eaea45bb8996.tar.gz bcm5719-llvm-56a41d4b3a0c44f83f1763c39120eaea45bb8996.zip | |
[X86] Remove some questionable looking code that seems to be looking through a VZEXT to create a larger VSEXT.
If the input the vzext was signed this would do the wrong thing.
Not sure how to test this.
llvm-svn: 319382
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 051a7624e0f..36c284b0bc1 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -18285,7 +18285,7 @@ static SDValue LowerSIGN_EXTEND_AVX512(SDValue Op, if (VT.is512BitVector() && InVTElt != MVT::i1 && (NumElts == 8 || NumElts == 16 || Subtarget.hasBWI())) { - if (In.getOpcode() == X86ISD::VSEXT || In.getOpcode() == X86ISD::VZEXT) + if (In.getOpcode() == X86ISD::VSEXT) return getExtendInVec(In.getOpcode(), dl, VT, In.getOperand(0), DAG); return getExtendInVec(X86ISD::VSEXT, dl, VT, In, DAG); } |
