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64 lines
1.9 KiB
Plaintext
64 lines
1.9 KiB
Plaintext
// #target: macos-x64
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module test;
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faultdef OH_NO;
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const C = 1;
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fn void main() => do_thing()!!;
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fn void? do_thing()
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{
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int* a_value = mem::alloc_array(int, may_fault()!);
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}
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macro may_fault()
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{
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return OH_NO~;
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}
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/* #expect: test.ll
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define void @test.main() #0 {
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entry:
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%error_var = alloca i64, align 8
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%varargslots = alloca [1 x %any], align 16
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%indirectarg = alloca %"any[]", align 8
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%0 = call i64 @test.do_thing()
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%not_err = icmp eq i64 %0, 0
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%1 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %1, label %after_check, label %assign_optional
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assign_optional: ; preds = %entry
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store i64 %0, ptr %error_var, align 8
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br label %panic_block
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after_check: ; preds = %entry
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br label %noerr_block
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panic_block: ; preds = %assign_optional
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%2 = insertvalue %any undef, ptr %error_var, 0
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%3 = insertvalue %any %2, i64 ptrtoint (ptr @"$ct.fault" to i64), 1
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store %any %3, ptr %varargslots, align 16
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%4 = insertvalue %"any[]" undef, ptr %varargslots, 0
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%"$$temp" = insertvalue %"any[]" %4, i64 1, 1
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store %"any[]" %"$$temp", ptr %indirectarg, align 8
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call void @std.core.builtin.panicf(ptr @.panic_msg, i64 36, ptr @.file, i64 22, ptr @.func, i64 4, i32 4, ptr byval(%"any[]") align 8 %indirectarg) #2
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unreachable
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noerr_block: ; preds = %after_check
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ret void
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}
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define i64 @test.do_thing() #0 {
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entry:
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%a_value = alloca ptr, align 8
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%error_var = alloca i64, align 8
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store i64 ptrtoint (ptr @test.OH_NO to i64), ptr %error_var, align 8
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br label %guard_block
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guard_block: ; preds = %entry
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%0 = load i64, ptr %error_var, align 8
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ret i64 %0
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after_macro: ; No predecessors!
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store ptr poison, ptr %a_value, align 8
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ret i64 0
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}
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