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(parent: d5fbcf7) | patch
[X86] Add test showing a bug where a BLENDV mask is being constant folded as VSELECT...
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 19 Mar 2022 16:26:20 +0000 (16:26 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 19 Mar 2022 16:31:19 +0000 (16:31 +0000)
commit33d2c00814b27437a1681cc3d1fb5fa6ca7e1536
tree90b9806bad14453d84e4e22931e4d161d84b5fdbtree | snapshot
parentd5fbcf76fd9b0024fd452dd95c33f5ded042ba05commit | diff
[X86] Add test showing a bug where a BLENDV mask is being constant folded as VSELECT mask

combineSelect doesn't expect X86ISD::BLENDV ops to appear before legalization and is treating the constant mask as a vselect mask (mask != 0) instead of blendv (mask < 0)
llvm/test/CodeGen/X86/avx-select.ll diff | blob | history
Domain: System / Toolchain;