[PATCH] D42619: [X86] Make foldLogicOfSetCCs work better for vectors pre legal types/operations
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Sun Jan 28 23:54:51 PST 2018
This revision was automatically updated to reflect the committed changes.
Closed by commit rL323631: [X86] Make foldLogicOfSetCCs work better for vectors pre legal types/operations (authored by ctopper, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D42619?vs=131699&id=131747#toc
Repository:
rL LLVM
https://reviews.llvm.org/D42619
Files:
llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
llvm/trunk/test/CodeGen/X86/avx512vl-vec-cmp.ll
Index: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -3525,7 +3525,7 @@
// operations on the left and right operands, so those types must match.
EVT VT = N0.getValueType();
EVT OpVT = LL.getValueType();
- if (LegalOperations || VT != MVT::i1)
+ if (LegalOperations || VT.getScalarType() != MVT::i1)
if (VT != getSetCCResultType(OpVT))
return SDValue();
if (OpVT != RL.getValueType())
Index: llvm/trunk/test/CodeGen/X86/avx512vl-vec-cmp.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/avx512vl-vec-cmp.ll
+++ llvm/trunk/test/CodeGen/X86/avx512vl-vec-cmp.ll
@@ -1132,10 +1132,8 @@
; NoVLX: # %bb.0:
; NoVLX-NEXT: # kill: def %ymm3 killed %ymm3 def %zmm3
; NoVLX-NEXT: # kill: def %ymm2 killed %ymm2 def %zmm2
-; NoVLX-NEXT: # kill: def %ymm1 killed %ymm1 def %zmm1
-; NoVLX-NEXT: # kill: def %ymm0 killed %ymm0 def %zmm0
+; NoVLX-NEXT: vpor %ymm1, %ymm0, %ymm0
; NoVLX-NEXT: vptestnmd %zmm0, %zmm0, %k1
-; NoVLX-NEXT: vptestnmd %zmm1, %zmm1, %k1 {%k1}
; NoVLX-NEXT: vpblendmd %zmm2, %zmm3, %zmm0 {%k1}
; NoVLX-NEXT: # kill: def %ymm0 killed %ymm0 killed %zmm0
; NoVLX-NEXT: retq
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