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[SystemZ] Remove icmp undef

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Prep-work for PR40800 (Add UNDEF handling to SelectionDAG::FoldSetCC)

llvm-svn: 356138
This commit is contained in:
Simon Pilgrim 2019-03-14 11:56:41 +00:00
parent ec1925ae75
commit b87caf8a26
1 changed files with 3 additions and 3 deletions
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6
test/CodeGen/SystemZ/knownbits.ll
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@ -4,17 +4,17 @@
; Test that DAGCombiner gets helped by computeKnownBitsForTargetNode().
; SystemZISD::REPLICATE
define i32 @f0() {
define i32 @f0(<4 x i32> %a0) {
; CHECK-LABEL: f0:
; CHECK: # %bb.0:
; CHECK-NEXT: vgbm %v0, 0
; CHECK-NEXT: vceqf %v0, %v0, %v0
; CHECK-NEXT: vceqf %v0, %v24, %v0
; CHECK-NEXT: vrepif %v1, 1
; CHECK-NEXT: vnc %v0, %v1, %v0
; CHECK-NEXT: vlgvf %r2, %v0, 3
; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d
; CHECK-NEXT: br %r14
%cmp0 = icmp ne <4 x i32> undef, zeroinitializer
%cmp0 = icmp ne <4 x i32> %a0, zeroinitializer
%zxt0 = zext <4 x i1> %cmp0 to <4 x i32>
%ext0 = extractelement <4 x i32> %zxt0, i32 3
br label %exit