forked from OSchip/llvm-project
56 lines
1.3 KiB
LLVM
56 lines
1.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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define i32 @func1(i32 %a, i32 %b) {
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; CHECK-LABEL: @func1(
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; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, 1
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; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP1]], %b
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%tmp = or i32 %b, %a
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%tmp1 = and i32 %tmp, 1
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%tmp2 = and i32 %b, -2
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%tmp3 = or i32 %tmp1, %tmp2
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ret i32 %tmp3
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}
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define i32 @func2(i32 %a, i32 %b) {
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; CHECK-LABEL: @func2(
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; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, 1
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; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP1]], %b
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%tmp = or i32 %a, %b
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%tmp1 = and i32 1, %tmp
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%tmp2 = and i32 -2, %b
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%tmp3 = or i32 %tmp1, %tmp2
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ret i32 %tmp3
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}
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define i32 @func3(i32 %a, i32 %b) {
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; CHECK-LABEL: @func3(
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; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, 1
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; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP1]], %b
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%tmp = or i32 %b, %a
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%tmp1 = and i32 %tmp, 1
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%tmp2 = and i32 %b, -2
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%tmp3 = or i32 %tmp2, %tmp1
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ret i32 %tmp3
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}
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define i32 @func4(i32 %a, i32 %b) {
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; CHECK-LABEL: @func4(
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; CHECK-NEXT: [[TMP1:%.*]] = and i32 %a, 1
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; CHECK-NEXT: [[TMP3:%.*]] = or i32 [[TMP1]], %b
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; CHECK-NEXT: ret i32 [[TMP3]]
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;
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%tmp = or i32 %a, %b
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%tmp1 = and i32 1, %tmp
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%tmp2 = and i32 -2, %b
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%tmp3 = or i32 %tmp2, %tmp1
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ret i32 %tmp3
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}
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