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71 lines
1.6 KiB
Plaintext
71 lines
1.6 KiB
Plaintext
// #target: macos-aarch64
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module test;
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fn void test1()
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{
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switch (0) @jump
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{
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case 0:
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break;
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default:
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}
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}
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enum Foo { A, B, }
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fn void main()
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{
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test1();
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switch (Foo.A) @jump
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{
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default:
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break;
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}
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}
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/* #expect: test.ll
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@jumptable = private unnamed_addr constant [1 x ptr] [ptr blockaddress(@test.test1, %switch.case)], align 8
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define void @test.test1() #0 {
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entry:
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%switch = alloca i32, align 4
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store i32 0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%0 = load i32, ptr %switch, align 4
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%1 = icmp ugt i32 %0, 0
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br i1 %1, label %switch.exit, label %jumpblock
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jumpblock: ; preds = %switch.entry
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%ptroffset = getelementptr inbounds [8 x i8], ptr @jumptable, i32 %0
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%target = load ptr, ptr %ptroffset, align 8
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indirectbr ptr %target, [label %switch.case, label %switch.exit]
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switch.case: ; preds = %jumpblock
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br label %switch.exit
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switch.exit: ; preds = %jumpblock, %switch.case, %switch.entry
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ret void
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}
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define void @test.main() #0 {
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entry:
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%switch = alloca i32, align 4
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call void @test.test1()
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store i32 0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%0 = load i32, ptr %switch, align 4
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switch i32 %0, label %switch.default [
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]
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switch.default: ; preds = %switch.entry
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br label %switch.exit
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switch.exit: ; preds = %switch.default
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ret void
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}
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