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[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
This commit is contained in:
Mehrnoosh Heidarpour 2021-11-15 10:02:09 -05:00 committed by Muhammad Asif Manzoor
parent b85152f8b1
commit a7f7cf115b
1 changed files with 28 additions and 0 deletions
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28
llvm/test/Transforms/InstSimplify/or.ll
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@ -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