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70 lines
2.1 KiB
Plaintext
70 lines
2.1 KiB
Plaintext
// #target: macos-x64
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module test;
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fn void main()
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{
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fault x = NOT_FOUND;
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int? a = x~;
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int? b = a = x~;
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int? c = b = a;
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}
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/* #expect: test.ll
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define void @test.main() #0 {
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entry:
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%x = alloca i64, align 8
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%a = alloca i32, align 4
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%a.f = alloca i64, align 8
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%b = alloca i32, align 4
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%b.f = alloca i64, align 8
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%c = alloca i32, align 4
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%c.f = alloca i64, align 8
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store i64 ptrtoint (ptr @std.core.builtin.NOT_FOUND to i64), ptr %x, align 8
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%0 = load i64, ptr %x, align 8
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store i64 %0, ptr %a.f, align 8
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%1 = load i64, ptr %x, align 8
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store i64 %1, ptr %a.f, align 8
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%not_err = icmp eq i64 %1, 0
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%2 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %2, label %after_check, label %assign_optional
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assign_optional: ; preds = %entry
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store i64 %1, ptr %b.f, align 8
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br label %after_assign
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after_check: ; preds = %entry
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store i32 undef, ptr %b, align 4
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store i64 0, ptr %b.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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%optval = load i64, ptr %a.f, align 8
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%not_err1 = icmp eq i64 %optval, 0
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%3 = call i1 @llvm.expect.i1(i1 %not_err1, i1 true)
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br i1 %3, label %after_check3, label %assign_optional2
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assign_optional2: ; preds = %after_assign
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store i64 %optval, ptr %b.f, align 8
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br label %optional_assign_jump
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after_check3: ; preds = %after_assign
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%4 = load i32, ptr %a, align 4
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store i32 %4, ptr %b, align 4
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store i64 0, ptr %b.f, align 8
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br label %after_assign4
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optional_assign_jump: ; preds = %assign_optional2
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%reload_err = load i64, ptr %b.f, align 8
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store i64 %reload_err, ptr %c.f, align 8
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br label %after_assign5
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after_assign4: ; preds = %after_check3
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store i32 %4, ptr %c, align 4
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store i64 0, ptr %c.f, align 8
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br label %after_assign5
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after_assign5: ; preds = %after_assign4, %optional_assign_jump
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ret void
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}
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