mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 00:12:50 +01:00
82 lines
1.4 KiB
LLVM
82 lines
1.4 KiB
LLVM
; RUN: llc %s -o -
|
|
|
|
;; Reference to a label that gets deleted.
|
|
define i8* @test1() nounwind {
|
|
entry:
|
|
ret i8* blockaddress(@test1b, %test_label)
|
|
}
|
|
|
|
define i32 @test1b() nounwind {
|
|
entry:
|
|
ret i32 -1
|
|
test_label:
|
|
br label %ret
|
|
ret:
|
|
ret i32 -1
|
|
}
|
|
|
|
|
|
;; Issues with referring to a label that gets RAUW'd later.
|
|
define i32 @test2a() nounwind {
|
|
entry:
|
|
%target = bitcast i8* blockaddress(@test2b, %test_label) to i8*
|
|
|
|
call i32 @test2b(i8* %target)
|
|
|
|
ret i32 0
|
|
}
|
|
|
|
define i32 @test2b(i8* %target) nounwind {
|
|
entry:
|
|
indirectbr i8* %target, [label %test_label]
|
|
|
|
test_label:
|
|
; assume some code here...
|
|
br label %ret
|
|
|
|
ret:
|
|
ret i32 -1
|
|
}
|
|
|
|
; Issues with a BB that gets RAUW'd to another one after references are
|
|
; generated.
|
|
define void @test3(i8** %P, i8** %Q) nounwind {
|
|
entry:
|
|
store i8* blockaddress(@test3b, %test_label), i8** %P
|
|
store i8* blockaddress(@test3b, %ret), i8** %Q
|
|
ret void
|
|
}
|
|
|
|
define i32 @test3b() nounwind {
|
|
entry:
|
|
br label %test_label
|
|
test_label:
|
|
br label %ret
|
|
ret:
|
|
ret i32 -1
|
|
}
|
|
|
|
|
|
; PR6673
|
|
|
|
define i64 @test4a() {
|
|
%target = bitcast i8* blockaddress(@test4b, %usermain) to i8*
|
|
%ret = call i64 @test4b(i8* %target)
|
|
|
|
ret i64 %ret
|
|
}
|
|
|
|
define i64 @test4b(i8* %Code) {
|
|
entry:
|
|
indirectbr i8* %Code, [label %usermain]
|
|
usermain:
|
|
br label %label_line_0
|
|
|
|
label_line_0:
|
|
br label %label_line_1
|
|
|
|
label_line_1:
|
|
%target = ptrtoint i8* blockaddress(@test4b, %label_line_0) to i64
|
|
ret i64 %target
|
|
}
|