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39 lines
569 B
LLVM
39 lines
569 B
LLVM
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; RUN: opt -S -simplifycfg < %s | FileCheck %s
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define i32 @test1(i32 %x) nounwind {
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%i = shl i32 %x, 1
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switch i32 %i, label %a [
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i32 21, label %b
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i32 24, label %c
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]
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a:
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ret i32 0
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b:
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ret i32 3
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c:
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ret i32 5
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; CHECK: @test1
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; CHECK: %cond = icmp eq i32 %i, 24
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; CHECK: %merge = select i1 %cond, i32 5, i32 0
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; CHECK: ret i32 %merge
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}
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define i32 @test2(i32 %x) nounwind {
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%i = shl i32 %x, 1
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switch i32 %i, label %a [
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i32 21, label %b
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i32 23, label %c
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]
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a:
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ret i32 0
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b:
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ret i32 3
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c:
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ret i32 5
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; CHECK: @test2
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; CHECK: ret i32 0
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}
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