2021-01-21 01:53:03 +01:00
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; RUN: opt -passes="default<O1>" %s -S | FileCheck %s
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2019-08-02 20:37:03 +02:00
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; REQUIRES: asserts
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declare void @bar()
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declare void @baz(i32*)
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; CHECK-LABEL: @foo1()
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define void @foo1() {
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entry:
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%tag = alloca i32, align 4
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call void @baz(i32* %tag)
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%tmp = load i32, i32* %tag, align 4
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switch i32 %tmp, label %sw.bb799 [
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i32 10, label %sw.bb239
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]
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sw.bb239:
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call void @foo2()
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br label %cleanup871
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sw.bb799:
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call void @foo3(i32 undef)
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br label %cleanup871
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cleanup871:
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call void @bar()
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unreachable
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}
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define void @foo2() {
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call void @foo4()
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unreachable
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}
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define void @foo3(i32 %ptr) {
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call void @foo1()
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unreachable
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}
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define void @foo4() {
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entry:
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%tag = alloca i32, align 4
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call void @baz(i32* %tag)
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%tmp = load i32, i32* %tag, align 4
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switch i32 %tmp, label %sw.bb442 [
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i32 16, label %sw.bb352
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]
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sw.bb352:
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call void @foo3(i32 undef)
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unreachable
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sw.bb442:
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call void @foo2()
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unreachable
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}
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