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; RUN: llc %s -o - -mtriple=thumbv7-apple-darwin10
; RUN: llc %s -o -
; REQUIRES: arm-registered-target
; NVPTX cannot select BlockAddress
; XFAIL: target=nvptx{{.*}}
; The behavior of this test is not well defined. On PowerPC the test may pass
; or fail depending on the order in which the test functions are processed by
; llc.
; UNSUPPORTED: target=powerpc{{.*}}
;; Reference to a label that gets deleted.
define ptr @test1() nounwind {
entry:
ret ptr 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 ptr blockaddress(@test2b, %test_label) to ptr
call i32 @test2b(ptr %target)
ret i32 0
}
define i32 @test2b(ptr %target) nounwind {
entry:
indirectbr ptr %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(ptr %P, ptr %Q) nounwind {
entry:
store ptr blockaddress(@test3b, %test_label), ptr %P
store ptr blockaddress(@test3b, %ret), ptr %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 ptr blockaddress(@test4b, %usermain) to ptr
%ret = call i64 @test4b(ptr %target)
ret i64 %ret
}
define i64 @test4b(ptr %Code) {
entry:
indirectbr ptr %Code, [label %usermain]
usermain:
br label %label_line_0
label_line_0:
br label %label_line_1
label_line_1:
%target = ptrtoint ptr blockaddress(@test4b, %label_line_0) to i64
ret i64 %target
}
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