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121 lines
3.5 KiB
Plaintext
121 lines
3.5 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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int a = 0;
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int b = 0;
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switch (a)
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{
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case 0:
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case 1:
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b += 1;
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nextcase default;
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case 2:
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b *= 2;
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default:
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b *= 3;
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}
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switch FOO: (a)
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{
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case 0:
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case 1:
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b -= 1;
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switch (a)
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{
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case 0:
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b /= 2;
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nextcase FOO: default;
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default:
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b /= 3;
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}
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nextcase;
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case 2:
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b *= 2;
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default:
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b *= 10;
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}
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}
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/* #expect: test.ll
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entry:
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%a = alloca i32, align 4
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%b = alloca i32, align 4
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%switch = alloca i32, align 4
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%switch3 = alloca i32, align 4
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%switch6 = alloca i32, align 4
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store i32 0, ptr %a, align 4
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store i32 0, ptr %b, align 4
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%0 = load i32, ptr %a, align 4
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store i32 %0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i32, ptr %switch, align 4
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switch i32 %1, 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.case1
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]
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switch.case: ; preds = %switch.entry, %switch.entry
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%2 = load i32, ptr %b, align 4
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%add = add i32 %2, 1
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store i32 %add, ptr %b, align 4
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br label %switch.default
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switch.case1: ; preds = %switch.entry
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%3 = load i32, ptr %b, align 4
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%mul = mul i32 %3, 2
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store i32 %mul, ptr %b, align 4
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br label %switch.exit
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switch.default: ; preds = %switch.case, %switch.entry
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%4 = load i32, ptr %b, align 4
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%mul2 = mul i32 %4, 3
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store i32 %mul2, ptr %b, align 4
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br label %switch.exit
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switch.exit: ; preds = %switch.default, %switch.case1
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%5 = load i32, ptr %a, align 4
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store i32 %5, ptr %switch3, align 4
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br label %switch.entry4
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switch.entry4: ; preds = %switch.exit
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%6 = load i32, ptr %switch3, align 4
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switch i32 %6, label %switch.default14 [
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i32 0, label %switch.case5
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i32 1, label %switch.case5
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i32 2, label %switch.case12
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]
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switch.case5: ; preds = %switch.entry4, %switch.entry4
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%7 = load i32, ptr %b, align 4
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%sub = sub i32 %7, 1
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store i32 %sub, ptr %b, align 4
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%8 = load i32, ptr %a, align 4
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store i32 %8, ptr %switch6, align 4
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br label %switch.entry7
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switch.entry7: ; preds = %switch.case5
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%9 = load i32, ptr %switch6, align 4
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switch i32 %9, label %switch.default9 [
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i32 0, label %switch.case8
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]
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switch.case8: ; preds = %switch.entry7
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%10 = load i32, ptr %b, align 4
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%sdiv = sdiv i32 %10, 2
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store i32 %sdiv, ptr %b, align 4
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br label %switch.default14
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switch.default9: ; preds = %switch.entry7
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%11 = load i32, ptr %b, align 4
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%sdiv10 = sdiv i32 %11, 3
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store i32 %sdiv10, ptr %b, align 4
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br label %switch.exit11
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switch.exit11: ; preds = %switch.default9
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br label %switch.case12
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switch.case12: ; preds = %switch.entry4, %switch.exit11
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%12 = load i32, ptr %b, align 4
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%mul13 = mul i32 %12, 2
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store i32 %mul13, ptr %b, align 4
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br label %switch.exit16
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switch.default14: ; preds = %switch.case8, %switch.entry4
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%13 = load i32, ptr %b, align 4
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%mul15 = mul i32 %13, 10
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store i32 %mul15, ptr %b, align 4
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br label %switch.exit16
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switch.exit16: ; preds = %switch.default14, %switch.case12
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ret void |