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41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
// #target: macos-x64
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module test;
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extern fn int! maybe();
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fn int tester(int n)
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{
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int! num = maybe();
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assert(try num, "Hello");
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int x = num;
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return num;
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}
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/* #expect: test.ll
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define i32 @test_tester(i32 %0) #0 {
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entry:
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%num = alloca i32, align 4
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%num.f = alloca i64, align 8
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%retparam = alloca i32, align 4
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%x = alloca i32, align 4
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%1 = call i64 @maybe(i32* %retparam)
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%not_err = icmp eq i64 %1, 0
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br i1 %not_err, label %after_check, label %assign_optional
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assign_optional: ; preds = %entry
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store i64 %1, i64* %num.f, align 8
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br label %after_assign
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after_check: ; preds = %entry
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%2 = load i32, i32* %retparam, align 4
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store i32 %2, i32* %num, align 4
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store i64 0, i64* %num.f, align 8
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br label %after_assign
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after_assign: ; preds = %after_check, %assign_optional
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%3 = load i32, i32* %num, align 4
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store i32 %3, i32* %x, align 4
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%4 = load i32, i32* %num, align 4
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ret i32 %4
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}
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