[llvm] a7f7cf1 - [NFC][InstSimplify] add test cases with base results for or-xor fold

[Muhammad Asif Manzoor via llvm-commits]

Author: Mehrnoosh Heidarpour
Date: 2021-11-15T10:08:31-05:00
New Revision: a7f7cf115bbb8a3fc72ed4da4f6128ce04db050c

URL: https://github.com/llvm/llvm-project/commit/a7f7cf115bbb8a3fc72ed4da4f6128ce04db050c
DIFF: https://github.com/llvm/llvm-project/commit/a7f7cf115bbb8a3fc72ed4da4f6128ce04db050c.diff

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

This patch adds tests with baseline results as a pre-commit for D113861

Differential Revision: https://reviews.llvm.org/D113860

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/InstSimplify/or.ll b/llvm/test/Transforms/InstSimplify/or.ll
index 6938b66989c3..038112a11efd 100644
--- a/llvm/test/Transforms/InstSimplify/or.ll
+++ b/llvm/test/Transforms/InstSimplify/or.ll
@@ -446,6 +446,34 @@ define i32 @and_or_not_or8(i32 %A, i32 %B) {
   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