27 lines
1,001 B
LLVM
27 lines
1,001 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
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; RUN: opt -passes=instcombine -S < %s | FileCheck %s
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define i32 @widget(i32 %arg, i32 %arg1) {
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; CHECK-LABEL: define i32 @widget(
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; CHECK-SAME: i32 [[ARG:%.*]], i32 [[ARG1:%.*]]) {
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[ICMP:%.*]] = icmp ne i32 [[ARG]], 0
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; CHECK-NEXT: [[TMP0:%.*]] = zext i1 [[ICMP]] to i32
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; CHECK-NEXT: [[MUL:%.*]] = shl nuw nsw i32 20, [[TMP0]]
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; CHECK-NEXT: [[XOR:%.*]] = zext i1 [[ICMP]] to i32
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; CHECK-NEXT: [[ADD9:%.*]] = or disjoint i32 [[MUL]], [[XOR]]
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; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[ICMP]] to i32
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; CHECK-NEXT: [[MUL2:%.*]] = shl nuw nsw i32 [[ADD9]], [[TMP1]]
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; CHECK-NEXT: ret i32 [[MUL2]]
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;
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bb:
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%icmp = icmp eq i32 %arg, 0
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%zext = zext i1 %icmp to i32
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%sub = sub i32 2, %zext
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%mul = mul i32 20, %sub
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%zext8 = zext i1 %icmp to i32
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%xor = xor i32 %zext8, 1
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%add9 = add i32 %mul, %xor
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%mul2 = mul i32 %add9, %sub
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ret i32 %mul2
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}
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