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| author | Craig Topper <craig.topper@gmail.com> | 2016-07-07 06:11:07 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2016-07-07 06:11:07 +0000 |
| commit | d5d2a35013cdac72be85b409a53c248d58f612b5 (patch) | |
| tree | aa1b1257a75d11929b4f1ec868691054c7e57e42 /llvm/lib | |
| parent | fc1e969dfc94e0e78cc1bd3b3ebd5e81bbb56ffb (diff) | |
| download | bcm5719-llvm-d5d2a35013cdac72be85b409a53c248d58f612b5.tar.gz bcm5719-llvm-d5d2a35013cdac72be85b409a53c248d58f612b5.zip | |
[AVX512] Zero extend the result of vpcmpeq/vpcmpgt and similar intrinsics in the autoupgrade code. This currently results in worse codegen but is needed for correctness.
llvm-svn: 274736
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/IR/AutoUpgrade.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp index 8fee0f35c35..468644314e3 100644 --- a/llvm/lib/IR/AutoUpgrade.cpp +++ b/llvm/lib/IR/AutoUpgrade.cpp @@ -601,8 +601,9 @@ static Value *upgradeMaskedCompare(IRBuilder<> &Builder, CallInst &CI, for (unsigned i = 0; i != NumElts; ++i) Indices[i] = i; for (unsigned i = NumElts; i != 8; ++i) - Indices[i] = NumElts; - Cmp = Builder.CreateShuffleVector(Cmp, UndefValue::get(Cmp->getType()), + Indices[i] = NumElts + i % NumElts; + Cmp = Builder.CreateShuffleVector(Cmp, + Constant::getNullValue(Cmp->getType()), Indices); } return Builder.CreateBitCast(Cmp, IntegerType::get(CI.getContext(), |
