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246 lines
7.5 KiB
C
246 lines
7.5 KiB
C
// #target: macos-x64
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module mymodule;
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extern fn void printf(char *, ...);
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fault HelloErr
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{
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FOO,
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}
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fault ByeErr
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{
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BAR,
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BAZ
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}
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fn void test()
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{
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int! x = ByeErr.BAR?;
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typeid z = int.typeid;
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if (catch err = x)
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{
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case HelloErr.FOO:
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printf("Hello\n");
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case ByeErr.BAR:
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printf("Bye\n");
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default:
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printf("Noerrmatch\n");
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}
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switch (z)
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{
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case int:
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printf("Was int!\n");
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case bool:
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nextcase double;
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case double:
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nextcase;
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default:
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printf("Wasn't int :(\n");
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}
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int a = 1;
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int b = 2;
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int zy = b + a;
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switch (zy)
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{
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case a:
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printf("Got a\n");
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case b:
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printf("Got b\n");
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default:
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printf("None of the above\n");
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}
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switch
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{
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case a < 0:
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printf("A negative\n");
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case a == 1:
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printf("A is 1\n");
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default:
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printf("Unexpected a\n");
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}
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}
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fn void main()
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{
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test();
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printf("Hello!\n");
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}
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/* #expect: mymodule.ll
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define void @mymodule.test() #0 {
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entry:
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%x = alloca i32, align 4
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%x.f = alloca i64, align 8
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%z = alloca i64, align 8
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%err = alloca i64, align 8
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%switch = alloca i64, align 8
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%switch4 = alloca i64, align 8
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%a = alloca i32, align 4
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%b = alloca i32, align 4
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%zy = alloca i32, align 4
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%switch17 = alloca i32, align 4
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%switch27 = alloca i8, align 1
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store i64 ptrtoint (ptr @"mymodule.ByeErr$BAR" to i64), ptr %x.f, align 8
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store i64 ptrtoint (ptr @"$ct.int" to i64), ptr %z, align 8
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br label %testblock
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testblock: ; preds = %entry
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%optval = load i64, ptr %x.f, align 8
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%not_err = icmp eq i64 %optval, 0
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%0 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %0, label %after_check, label %assign_optional
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assign_optional: ; preds = %testblock
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store i64 %optval, ptr %err, align 8
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br label %end_block
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after_check: ; preds = %testblock
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store i64 0, ptr %err, align 8
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br label %end_block
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end_block: ; preds = %after_check, %assign_optional
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%1 = load i64, ptr %err, align 8
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%neq = icmp ne i64 %1, 0
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br i1 %neq, label %if.then, label %if.exit
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if.then: ; preds = %end_block
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store i64 %1, ptr %switch, align 8
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br label %switch.entry
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switch.entry: ; preds = %if.then
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%2 = load i64, ptr %switch, align 8
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%eq = icmp eq i64 ptrtoint (ptr @"mymodule.HelloErr$FOO" to i64), %2
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br i1 %eq, label %switch.case, label %next_if
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switch.case: ; preds = %switch.entry
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call void (ptr, ...) @printf(ptr @.str)
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br label %switch.exit
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next_if: ; preds = %switch.entry
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%eq1 = icmp eq i64 ptrtoint (ptr @"mymodule.ByeErr$BAR" to i64), %2
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br i1 %eq1, label %switch.case2, label %next_if3
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switch.case2: ; preds = %next_if
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call void (ptr, ...) @printf(ptr @.str.3)
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br label %switch.exit
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next_if3: ; preds = %next_if
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br label %switch.default
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switch.default: ; preds = %next_if3
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call void (ptr, ...) @printf(ptr @.str.4)
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br label %switch.exit
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switch.exit: ; preds = %switch.default, %switch.case2, %switch.case
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br label %if.exit
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if.exit: ; preds = %switch.exit, %end_block
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%3 = load i64, ptr %z, align 8
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store i64 %3, ptr %switch4, align 8
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br label %switch.entry5
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switch.entry5: ; preds = %if.exit
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%4 = load i64, ptr %switch4, align 8
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%eq6 = icmp eq i64 ptrtoint (ptr @"$ct.int" to i64), %4
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br i1 %eq6, label %switch.case7, label %next_if8
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switch.case7: ; preds = %switch.entry5
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call void (ptr, ...) @printf(ptr @.str.5)
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br label %switch.exit16
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next_if8: ; preds = %switch.entry5
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%eq9 = icmp eq i64 ptrtoint (ptr @"$ct.bool" to i64), %4
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br i1 %eq9, label %switch.case10, label %next_if11
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switch.case10: ; preds = %next_if8
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br label %switch.case13
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next_if11: ; preds = %next_if8
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%eq12 = icmp eq i64 ptrtoint (ptr @"$ct.double" to i64), %4
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br i1 %eq12, label %switch.case13, label %next_if14
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switch.case13: ; preds = %next_if11, %switch.case10
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br label %switch.default15
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next_if14: ; preds = %next_if11
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br label %switch.default15
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switch.default15: ; preds = %next_if14, %switch.case13
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call void (ptr, ...) @printf(ptr @.str.6)
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br label %switch.exit16
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switch.exit16: ; preds = %switch.default15, %switch.case7
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store i32 1, ptr %a, align 4
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store i32 2, ptr %b, align 4
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%5 = load i32, ptr %b, align 4
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%6 = load i32, ptr %a, align 4
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%add = add i32 %5, %6
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store i32 %add, ptr %zy, align 4
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%7 = load i32, ptr %zy, align 4
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store i32 %7, ptr %switch17, align 4
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br label %switch.entry18
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switch.entry18: ; preds = %switch.exit16
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%8 = load i32, ptr %switch17, align 4
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%9 = load i32, ptr %a, align 4
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%eq19 = icmp eq i32 %9, %8
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br i1 %eq19, label %switch.case20, label %next_if21
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switch.case20: ; preds = %switch.entry18
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call void (ptr, ...) @printf(ptr @.str.7)
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br label %switch.exit26
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next_if21: ; preds = %switch.entry18
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%10 = load i32, ptr %b, align 4
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%eq22 = icmp eq i32 %10, %8
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br i1 %eq22, label %switch.case23, label %next_if24
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switch.case23: ; preds = %next_if21
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call void (ptr, ...) @printf(ptr @.str.8)
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br label %switch.exit26
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next_if24: ; preds = %next_if21
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br label %switch.default25
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switch.default25: ; preds = %next_if24
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call void (ptr, ...) @printf(ptr @.str.9)
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br label %switch.exit26
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switch.exit26: ; preds = %switch.default25, %switch.case23, %switch.case20
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store i8 1, ptr %switch27, align 1
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br label %switch.entry28
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switch.entry28: ; preds = %switch.exit26
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%11 = load i8, ptr %switch27, align 1
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%12 = trunc i8 %11 to i1
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%13 = load i32, ptr %a, align 4
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%lt = icmp slt i32 %13, 0
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%eq29 = icmp eq i1 %lt, %12
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br i1 %eq29, label %switch.case30, label %next_if31
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switch.case30: ; preds = %switch.entry28
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call void (ptr, ...) @printf(ptr @.str.10)
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br label %switch.exit37
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next_if31: ; preds = %switch.entry28
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%14 = load i32, ptr %a, align 4
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%eq32 = icmp eq i32 %14, 1
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%eq33 = icmp eq i1 %eq32, %12
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br i1 %eq33, label %switch.case34, label %next_if35
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switch.case34: ; preds = %next_if31
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call void (ptr, ...) @printf(ptr @.str.11)
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br label %switch.exit37
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next_if35: ; preds = %next_if31
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br label %switch.default36
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switch.default36: ; preds = %next_if35
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call void (ptr, ...) @printf(ptr @.str.12)
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br label %switch.exit37
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switch.exit37: ; preds = %switch.default36, %switch.case34, %switch.case30
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ret void
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}
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