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-rw-r--r--llvm/test/Transforms/ObjCARC/contract-storestrong.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/Transforms/ObjCARC/contract-storestrong.ll b/llvm/test/Transforms/ObjCARC/contract-storestrong.ll
index aadc3a26539..2b83bdb9bfb 100644
--- a/llvm/test/Transforms/ObjCARC/contract-storestrong.ll
+++ b/llvm/test/Transforms/ObjCARC/contract-storestrong.ll
@@ -217,6 +217,32 @@ entry:
ret i1 %t
}
+; Make sure that we form the store strong even if there are bitcasts on
+; the pointers.
+; CHECK-LABEL: define void @test12(
+; CHECK: entry:
+; CHECK-NEXT: %p16 = bitcast i8** @x to i16**
+; CHECK-NEXT: %tmp16 = load i16*, i16** %p16, align 8
+; CHECK-NEXT: %tmp8 = bitcast i16* %tmp16 to i8*
+; CHECK-NEXT: %p32 = bitcast i8** @x to i32**
+; CHECK-NEXT: %v32 = bitcast i8* %p to i32*
+; CHECK-NEXT: %0 = bitcast i16** %p16 to i8**
+; CHECK-NEXT: tail call void @objc_storeStrong(i8** %0, i8* %p)
+; CHECK-NEXT: ret void
+; CHECK-NEXT: }
+define void @test12(i8* %p) {
+entry:
+ %retain = tail call i8* @objc_retain(i8* %p) nounwind
+ %p16 = bitcast i8** @x to i16**
+ %tmp16 = load i16*, i16** %p16, align 8
+ %tmp8 = bitcast i16* %tmp16 to i8*
+ %p32 = bitcast i8** @x to i32**
+ %v32 = bitcast i8* %retain to i32*
+ store i32* %v32, i32** %p32, align 8
+ tail call void @objc_release(i8* %tmp8) nounwind
+ ret void
+}
+
!0 = !{}
; CHECK: attributes [[NUW]] = { nounwind }
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