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124 lines
3.1 KiB
Plaintext
124 lines
3.1 KiB
Plaintext
// #target: macos-x64
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module test;
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import std::io;
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fault HadError
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{
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BAD_STUFF,
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WORSE_STUFF,
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THE_WORST_STUFF
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}
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fn int exitcode(anyfault error)
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{
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switch ((HadError)error)
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{
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case BAD_STUFF: return 64;
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case WORSE_STUFF: return 65;
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case THE_WORST_STUFF: return 66;
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default: return 70;
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}
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}
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fn void! canFail()
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{
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if (34 + 35 == 69)
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{
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return HadError.BAD_STUFF?;
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}
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}
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fn int main(String[] args)
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{
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if (catch err = canFail())
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{
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return exitcode(err);
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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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define i32 @test.exitcode(i64 %0) #0 {
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entry:
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%switch = alloca i64, align 8
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store i64 %0, ptr %switch, align 8
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i64, ptr %switch, align 8
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%eq = icmp eq i64 ptrtoint (ptr @"test.HadError$BAD_STUFF" to i64), %1
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br i1 %eq, label %switch.case, label %next_if
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switch.case: ; preds = %switch.entry
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ret i32 64
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next_if: ; preds = %switch.entry
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%eq1 = icmp eq i64 ptrtoint (ptr @"test.HadError$WORSE_STUFF" to i64), %1
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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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ret i32 65
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next_if3: ; preds = %next_if
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%eq4 = icmp eq i64 ptrtoint (ptr @"test.HadError$THE_WORST_STUFF" to i64), %1
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br i1 %eq4, label %switch.case5, label %next_if6
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switch.case5: ; preds = %next_if3
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ret i32 66
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next_if6: ; preds = %next_if3
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br label %switch.default
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switch.default: ; preds = %next_if6
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ret i32 70
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}
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define i64 @test.canFail() #0 {
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entry:
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br label %if.then
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if.then: ; preds = %entry
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ret i64 ptrtoint (ptr @"test.HadError$BAD_STUFF" to i64)
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}
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define i32 @test.main(ptr %0, i64 %1) #0 {
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entry:
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%args = alloca %"char[][]", align 8
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%err = alloca i64, align 8
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store ptr %0, ptr %args, align 8
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%ptradd = getelementptr inbounds i8, ptr %args, i64 8
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store i64 %1, ptr %ptradd, align 8
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br label %testblock
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testblock: ; preds = %entry
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%2 = call i64 @test.canFail()
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%not_err = icmp eq i64 %2, 0
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%3 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %3, label %after_check, label %assign_optional
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assign_optional: ; preds = %testblock
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store i64 %2, 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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%4 = load i64, ptr %err, align 8
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%i2b = icmp ne i64 %4, 0
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br i1 %i2b, label %if.then, label %if.exit
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if.then: ; preds = %end_block
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%5 = load i64, ptr %err, align 8
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%6 = call i32 @test.exitcode(i64 %5)
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ret i32 %6
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if.exit: ; preds = %end_block
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ret i32 0
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}
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