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82 lines
1.4 KiB
82 lines
1.4 KiB
4 months ago
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; RUN: llc %s -o -
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;; Reference to a label that gets deleted.
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define i8* @test1() nounwind {
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entry:
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ret i8* blockaddress(@test1b, %test_label)
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}
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define i32 @test1b() nounwind {
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entry:
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ret i32 -1
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test_label:
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br label %ret
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ret:
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ret i32 -1
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}
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;; Issues with referring to a label that gets RAUW'd later.
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define i32 @test2a() nounwind {
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entry:
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%target = bitcast i8* blockaddress(@test2b, %test_label) to i8*
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call i32 @test2b(i8* %target)
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ret i32 0
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}
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define i32 @test2b(i8* %target) nounwind {
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entry:
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indirectbr i8* %target, [label %test_label]
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test_label:
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; assume some code here...
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br label %ret
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ret:
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ret i32 -1
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}
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; Issues with a BB that gets RAUW'd to another one after references are
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; generated.
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define void @test3(i8** %P, i8** %Q) nounwind {
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entry:
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store i8* blockaddress(@test3b, %test_label), i8** %P
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store i8* blockaddress(@test3b, %ret), i8** %Q
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ret void
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}
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define i32 @test3b() nounwind {
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entry:
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br label %test_label
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test_label:
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br label %ret
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ret:
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ret i32 -1
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}
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; PR6673
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define i64 @test4a() {
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%target = bitcast i8* blockaddress(@test4b, %usermain) to i8*
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%ret = call i64 @test4b(i8* %target)
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ret i64 %ret
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}
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define i64 @test4b(i8* %Code) {
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entry:
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indirectbr i8* %Code, [label %usermain]
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usermain:
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br label %label_line_0
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label_line_0:
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br label %label_line_1
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label_line_1:
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%target = ptrtoint i8* blockaddress(@test4b, %label_line_0) to i64
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ret i64 %target
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}
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