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5f5bb0365d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273784 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.2 KiB
LLVM
56 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/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: [[T2:%.*]] = xor i32 %a, %b
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; CHECK-NEXT: ret i32 [[T2]]
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;
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%b_not = xor i32 %b, -1
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%t0 = and i32 %a, %b_not
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%a_not = xor i32 %a, -1
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%t1 = and i32 %a_not, %b
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%t2 = or i32 %t0, %t1
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ret i32 %t2
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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: [[T2:%.*]] = xor i32 %a, %b
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; CHECK-NEXT: ret i32 [[T2]]
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;
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%b_not = xor i32 %b, -1
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%t0 = and i32 %b_not, %a
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%a_not = xor i32 %a, -1
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%t1 = and i32 %a_not, %b
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%t2 = or i32 %t0, %t1
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ret i32 %t2
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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: [[T2:%.*]] = xor i32 %a, %b
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; CHECK-NEXT: ret i32 [[T2]]
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;
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%b_not = xor i32 %b, -1
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%t0 = and i32 %a, %b_not
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%a_not = xor i32 %a, -1
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%t1 = and i32 %b, %a_not
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%t2 = or i32 %t0, %t1
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ret i32 %t2
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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: [[T2:%.*]] = xor i32 %a, %b
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; CHECK-NEXT: ret i32 [[T2]]
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;
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%b_not = xor i32 %b, -1
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%t0 = and i32 %b_not, %a
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%a_not = xor i32 %a, -1
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%t1 = and i32 %b, %a_not
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%t2 = or i32 %t0, %t1
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ret i32 %t2
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}
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