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85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
// #target: macos-x64
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extern fn char*! readLine();
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extern fn int! atoi(char*);
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extern fn int printf(char* fmt, ...);
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fn void main()
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{
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char*! line = readLine();
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if (try line)
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{
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int! val = atoi(line);
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if (try val)
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{
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printf("You typed the number %d\n", val);
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return;
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}
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}
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printf("You didn't type an integer :(\n");
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}
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/* #expect: try_with_unwrap.ll
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define void @try_with_unwrap_main() #0 {
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entry:
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%line = alloca i8*, align 8
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%line.f = alloca i64, align 8
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%retparam = alloca i8*, align 8
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%val = alloca i32, align 4
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%val.f = alloca i64, align 8
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%retparam1 = alloca i32, align 4
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%0 = call i64 @readLine(i8** %retparam)
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%not_err = icmp eq i64 %0, 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 %0, i64* %line.f, align 8
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br label %after_assign
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after_check: ; preds = %entry
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%1 = load i8*, i8** %retparam, align 8
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store i8* %1, i8** %line, align 8
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store i64 0, i64* %line.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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%load.err = load i64, i64* %line.f, align 8
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%result = icmp eq i64 %load.err, 0
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br i1 %result, label %if.then, label %if.exit9
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if.then: ; preds = %after_assign
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%2 = load i8*, i8** %line, align 8
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%3 = call i64 @atoi(i32* %retparam1, i8* %2)
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%not_err2 = icmp eq i64 %3, 0
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br i1 %not_err2, label %after_check4, label %assign_optional3
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assign_optional3: ; preds = %if.then
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store i64 %3, i64* %val.f, align 8
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br label %after_assign5
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after_check4: ; preds = %if.then
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%4 = load i32, i32* %retparam1, align 4
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store i32 %4, i32* %val, align 4
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store i64 0, i64* %val.f, align 8
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br label %after_assign5
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after_assign5: ; preds = %after_check4, %assign_optional3
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%load.err6 = load i64, i64* %val.f, align 8
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%result7 = icmp eq i64 %load.err6, 0
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br i1 %result7, label %if.then8, label %if.exit
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if.then8: ; preds = %after_assign5
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%5 = load i32, i32* %val, align 4
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%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str, i32 0, i32 0), i32 %5)
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ret void
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if.exit: ; preds = %after_assign5
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br label %if.exit9
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if.exit9: ; preds = %if.exit, %after_assign
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%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.1, i32 0, i32 0))
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ret void
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}
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