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82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
// #target: macos-x64
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module test;
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extern fn int printf(char*, ...);
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extern fn int foo();
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fn int main()
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{
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while (foo())
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{
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switch (foo())
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{
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case 0:
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case 1:
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case 2:
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case 3:
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printf("3");
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nextcase;
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case 4:
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printf("4");
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nextcase;
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case 5:
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case 6:
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default:
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break;
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}
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}
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return 0;
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}
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/* #expect: test.ll
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@.str = private unnamed_addr constant [2 x i8] c"3\00", align 1
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@.str.1 = private unnamed_addr constant [2 x i8] c"4\00", align 1
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define i32 @main() #0 {
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entry:
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%switch = alloca i32, align 4
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br label %loop.cond
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loop.cond: ; preds = %switch.exit, %entry
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%0 = call i32 @foo()
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%intbool = icmp ne i32 %0, 0
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br i1 %intbool, label %loop.body, label %loop.exit
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loop.body: ; preds = %loop.cond
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%1 = call i32 @foo()
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store i32 %1, i32* %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %loop.body
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%2 = load i32, i32* %switch, align 4
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switch i32 %2, label %switch.default [
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i32 0, label %switch.case
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i32 1, label %switch.case
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i32 2, label %switch.case
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i32 3, label %switch.case
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i32 4, label %switch.case1
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i32 5, label %switch.default
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i32 6, label %switch.default
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]
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switch.case: ; preds = %switch.entry, %switch.entry, %switch.entry, %switch.entry
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%3 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str, i32 0, i32 0))
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br label %switch.case1
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switch.case1: ; preds = %switch.entry, %switch.case
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%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i32 0, i32 0))
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br label %switch.default
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switch.default: ; preds = %switch.entry, %switch.entry, %switch.case1, %switch.entry
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br label %switch.exit
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switch.exit: ; preds = %switch.default
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br label %loop.cond
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loop.exit: ; preds = %loop.cond
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ret i32 0
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}
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