forked from OSchip/llvm-project
64 lines
2.0 KiB
LLVM
64 lines
2.0 KiB
LLVM
; RUN: opt -objc-arc-contract -S < %s | FileCheck %s
|
|
; rdar://9511608
|
|
|
|
%0 = type opaque
|
|
%1 = type opaque
|
|
%2 = type { i64, i64 }
|
|
%3 = type { i8*, i8* }
|
|
%4 = type opaque
|
|
|
|
declare %0* @"\01-[NSAttributedString(Terminal) pathAtIndex:effectiveRange:]"(%1*, i8* nocapture, i64, %2*) optsize
|
|
declare i8* @objc_retainAutoreleasedReturnValue(i8*)
|
|
declare i8* @objc_msgSend_fixup(i8*, %3*, ...)
|
|
declare void @objc_release(i8*)
|
|
declare %2 @NSUnionRange(i64, i64, i64, i64) optsize
|
|
declare i8* @objc_autoreleaseReturnValue(i8*)
|
|
declare i8* @objc_autorelease(i8*)
|
|
declare i8* @objc_msgSend() nonlazybind
|
|
|
|
; Don't get in trouble on bugpointed code.
|
|
|
|
; CHECK: define void @test0(
|
|
define void @test0() {
|
|
bb:
|
|
%tmp = bitcast %4* undef to i8*
|
|
%tmp1 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tmp) nounwind
|
|
br label %bb3
|
|
|
|
bb3: ; preds = %bb2
|
|
br i1 undef, label %bb6, label %bb4
|
|
|
|
bb4: ; preds = %bb3
|
|
switch i64 undef, label %bb5 [
|
|
i64 9223372036854775807, label %bb6
|
|
i64 0, label %bb6
|
|
]
|
|
|
|
bb5: ; preds = %bb4
|
|
br label %bb6
|
|
|
|
bb6: ; preds = %bb5, %bb4, %bb4, %bb3
|
|
%tmp7 = phi %4* [ undef, %bb5 ], [ undef, %bb4 ], [ undef, %bb3 ], [ undef, %bb4 ]
|
|
unreachable
|
|
}
|
|
|
|
; When rewriting operands for a phi which has multiple operands
|
|
; for the same block, use the exactly same value in each block.
|
|
|
|
; CHECK: define void @test1(
|
|
; CHECK: %0 = bitcast i8* %tmp3 to %0*
|
|
; CHECK: br i1 undef, label %bb7, label %bb7
|
|
; CHECK: bb7:
|
|
; CHECK: %tmp8 = phi %0* [ %0, %bb ], [ %0, %bb ]
|
|
define void @test1() {
|
|
bb:
|
|
%tmp = tail call %0* bitcast (i8* ()* @objc_msgSend to %0* ()*)()
|
|
%tmp2 = bitcast %0* %tmp to i8*
|
|
%tmp3 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tmp2) nounwind
|
|
br i1 undef, label %bb7, label %bb7
|
|
|
|
bb7: ; preds = %bb6, %bb6, %bb5
|
|
%tmp8 = phi %0* [ %tmp, %bb ], [ %tmp, %bb ]
|
|
unreachable
|
|
}
|