[X86] Teach isel that X86ISD::CMPM_RND zeros the upper bits of the mask register.
commit9bcb3dabe60952d5a6b6228307834173cbf8b34f
authorCraig Topper <craig.topper@intel.com>
Thu, 23 Nov 2017 18:41:21 +0000 (23 18:41 +0000)
committerCraig Topper <craig.topper@intel.com>
Thu, 23 Nov 2017 18:41:21 +0000 (23 18:41 +0000)
tree761bdb8ad6fb60ba89c6db8573e02a83df2bee96
parentcc0d8f1b81f066c37cbf7f759a7851e9c965c694
[X86] Teach isel that X86ISD::CMPM_RND zeros the upper bits of the mask register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@318933 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelDAGToDAG.cpp
lib/Target/X86/X86ISelLowering.cpp
test/CodeGen/X86/avx512vl-vec-masked-cmp.ll