llvm-6502/avx512-vselect-crash.ll at 7516444a2697991b3f3018310550c0e502733a02 - llvm-6502 - Applefritter: Git

6502/llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-26 05:32:25 +00:00

Andrea Di Biagio 638e97f135 Teach the DAGCombiner how to fold 'vselect' dag nodes according

to the following two rules:
  1) fold (vselect (build_vector AllOnes), A, B) -> A
  2) fold (vselect (build_vector AllZeros), A, B) -> B



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198777 91177308-0d34-0410-b5e6-96231b3b80d8

2014-01-08 18:33:04 +00:00

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 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
 ; CHECK-LABEL: test
 ; CHECK: vpxord
 ; CHECK: ret
 define <16 x i32> @test() {
 entry:
   %0 = icmp slt <16 x i32> undef, undef
   %1 = select <16 x i1> %0, <16 x i32> undef, <16 x i32> zeroinitializer
   ret <16 x i32> %1
 }