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120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
// #target: macos-x64
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module test;
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import std::io;
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fault Foo
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{
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MY_VAL1,
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MY_VAL2,
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}
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struct Bar
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{
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int x;
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}
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fn void! test1() @maydiscard
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{
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Bar! x = Foo.MY_VAL1!;
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Bar y = x?;
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}
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fn void! test2() @maydiscard
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{
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Bar! x = {};
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Bar y = x?;
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}
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fn void main()
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{
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test1();
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test2();
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}
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/* #expect: test.ll
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define i64 @test_test1() #0 {
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entry:
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%x = alloca %Bar, align 4
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%x.f = alloca i64, align 8
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%y = alloca %Bar, align 4
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%error_var = alloca i64, align 8
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%reterr = alloca i64, align 8
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store i64 ptrtoint (%.fault* @"test_Foo$MY_VAL1" to i64), i64* %x.f, align 8
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%optval = load i64, i64* %x.f, align 8
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%not_err = icmp eq i64 %optval, 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 %optval, i64* %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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%0 = load i64, i64* %error_var, align 8
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ret i64 %0
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noerr_block: ; preds = %after_check
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%1 = bitcast %Bar* %y to i8*
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%2 = bitcast %Bar* %x to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %1, i8* align 4 %2, i32 4, i1 false)
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ret i64 0
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}
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; Function Attrs: nounwind
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define i64 @test_test2() #0 {
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entry:
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%x = alloca %Bar, align 4
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%x.f = alloca i64, align 8
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%y = alloca %Bar, align 4
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%error_var = alloca i64, align 8
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%reterr = alloca i64, align 8
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%0 = bitcast %Bar* %x to i32*
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store i32 0, i32* %0, align 4
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store i64 0, i64* %x.f, align 8
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%optval = load i64, i64* %x.f, align 8
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%not_err = icmp eq i64 %optval, 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 %optval, i64* %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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%1 = load i64, i64* %error_var, align 8
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ret i64 %1
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noerr_block: ; preds = %after_check
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%2 = bitcast %Bar* %y to i8*
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%3 = bitcast %Bar* %x to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %2, i8* align 4 %3, i32 4, i1 false)
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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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%0 = call i64 @test_test1()
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%not_err = icmp eq i64 %0, 0
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br i1 %not_err, label %after_check, label %voiderr
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after_check: ; preds = %entry
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br label %voiderr
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voiderr: ; preds = %after_check, %entry
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%1 = call i64 @test_test2()
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%not_err1 = icmp eq i64 %1, 0
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br i1 %not_err1, label %after_check2, label %voiderr3
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after_check2: ; preds = %voiderr
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br label %voiderr3
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voiderr3: ; preds = %after_check2, %voiderr
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ret void
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}
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