[llvm] r356138 - [SystemZ] Remove icmp undef

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Thu Mar 14 04:56:41 PDT 2019


Author: rksimon
Date: Thu Mar 14 04:56:41 2019
New Revision: 356138

URL: http://llvm.org/viewvc/llvm-project?rev=356138&view=rev
Log:
[SystemZ] Remove icmp undef 

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

Modified:
    llvm/trunk/test/CodeGen/SystemZ/knownbits.ll

Modified: llvm/trunk/test/CodeGen/SystemZ/knownbits.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SystemZ/knownbits.ll?rev=356138&r1=356137&r2=356138&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/SystemZ/knownbits.ll (original)
+++ llvm/trunk/test/CodeGen/SystemZ/knownbits.ll Thu Mar 14 04:56:41 2019
@@ -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




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