[PATCH] D113860: [NFC][InstSimplify] add test cases with base results for or-xor fold

[Muhammad Asif Manzoor via Phabricator via llvm-commits]

This revision was not accepted when it landed; it landed in state "Needs Review".
This revision was automatically updated to reflect the committed changes.
Closed by commit rGa7f7cf115bbb: [NFC][InstSimplify] add test cases with base results for or-xor fold (authored by MehrHeidar, committed by Asif).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D113860/new/

https://reviews.llvm.org/D113860

Files:
  llvm/test/Transforms/InstSimplify/or.ll


Index: llvm/test/Transforms/InstSimplify/or.ll
===================================================================
--- llvm/test/Transforms/InstSimplify/or.ll
+++ llvm/test/Transforms/InstSimplify/or.ll
@@ -446,6 +446,34 @@
   ret i32 %i5
 }
 
+; (A | B) | (A ^ B) --> A | B
+
+define i69 @or_or_xor(i69 %A, i69 %B) {
+; CHECK-LABEL: @or_or_xor(
+; CHECK-NEXT:    [[I1:%.*]] = or i69 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[I2:%.*]] = xor i69 [[A]], [[B]]
+; CHECK-NEXT:    [[I3:%.*]] = or i69 [[I1]], [[I2]]
+; CHECK-NEXT:    ret i69 [[I3]]
+;
+  %i1 = or i69 %A, %B
+  %i2 = xor i69 %A, %B
+  %i3 = or i69 %i1, %i2
+  ret i69 %i3
+}
+
+define <4 x i4> @or_or_xor_commuted(<4 x i4> %A, <4 x i4> %B) {
+; CHECK-LABEL: @or_or_xor_commuted(
+; CHECK-NEXT:    [[I1:%.*]] = or <4 x i4> [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[I2:%.*]] = xor <4 x i4> [[A]], [[B]]
+; CHECK-NEXT:    [[I3:%.*]] = or <4 x i4> [[I2]], [[I1]]
+; CHECK-NEXT:    ret <4 x i4> [[I3]]
+;
+  %i1 = or <4 x i4> %A, %B
+  %i2 = xor <4 x i4> %A, %B
+  %i3 = or <4 x i4> %i2, %i1
+  ret <4 x i4> %i3
+}
+
 define i32 @shifted_all_ones(i32 %shamt) {
 ; CHECK-LABEL: @shifted_all_ones(
 ; CHECK-NEXT:    ret i32 -1


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