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56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// #target: macos-x64
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module test;
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import libc;
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fn int! abc()
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{
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return 1;
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}
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macro test()
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{
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return abc()?;
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}
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fn void main()
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{
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libc::printf("%d\n", test() ?? 2);
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}
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/* #expect: test.ll
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define i64 @test.abc(ptr %0) #0 {
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entry:
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%reterr = alloca i64, align 8
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store i32 1, ptr %0, align 4
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ret i64 0
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}
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; Function Attrs: nounwind
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define void @test.main() #0 {
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entry:
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%error_var = alloca i64, align 8
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%retparam = alloca i32, align 4
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%0 = call i64 @test.abc(ptr %retparam)
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%not_err = icmp eq i64 %0, 0
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%1 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %1, label %after_check, label %assign_optional
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assign_optional: ; preds = %entry
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store i64 %0, ptr %error_var, align 8
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br label %guard_block
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after_check: ; preds = %entry
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br label %noerr_block
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guard_block: ; preds = %assign_optional
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ret void
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noerr_block: ; preds = %after_check
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%2 = load i32, ptr %retparam, align 4
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br label %phi_block
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phi_block: ; preds = %noerr_block
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%3 = call i32 (ptr, ...) @printf(ptr @.str, i32 %2)
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ret void
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}
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