1 ; RUN: opt -S -objc-arc -objc-arc-contract < %s | FileCheck %s
3 ; The optimizer should be able to move the autorelease past two phi nodes
4 ; and fold it with the release in bb65.
7 ; CHECK: call i8* @llvm.objc.retainAutorelease
8 ; CHECK: br label %bb76
10 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
11 target triple = "x86_64-apple-darwin11.0.0"
20 @"\01L_OBJC_SELECTOR_REFERENCES_11" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
21 @"\01L_OBJC_SELECTOR_REFERENCES_421455" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
22 @"\01L_OBJC_SELECTOR_REFERENCES_598" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
23 @"\01L_OBJC_SELECTOR_REFERENCES_620" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
24 @"\01L_OBJC_SELECTOR_REFERENCES_622" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
25 @"\01L_OBJC_SELECTOR_REFERENCES_624" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
26 @"\01L_OBJC_SELECTOR_REFERENCES_626" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
28 declare i8* @objc_msgSend(i8*, i8*, ...)
30 declare i8* @llvm.objc.retain(i8*)
32 declare void @llvm.objc.release(i8*)
34 declare i8* @llvm.objc.autorelease(i8*)
36 define hidden %0* @foo(%1* %arg, %3* %arg3) {
38 %tmp16 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_620", align 8
39 %tmp17 = bitcast %3* %arg3 to i8*
40 %tmp18 = call %4* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %4* (i8*, i8*)*)(i8* %tmp17, i8* %tmp16)
41 %tmp19 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_622", align 8
42 %tmp20 = bitcast %4* %tmp18 to i8*
43 %tmp21 = call %5* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %5* (i8*, i8*)*)(i8* %tmp20, i8* %tmp19)
44 %tmp22 = bitcast %5* %tmp21 to i8*
45 %tmp23 = call i8* @llvm.objc.retain(i8* %tmp22) nounwind
46 %tmp24 = bitcast i8* %tmp23 to %5*
47 %tmp26 = icmp eq i8* %tmp23, null
48 br i1 %tmp26, label %bb81, label %bb27
51 %tmp29 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_11", align 8
52 %tmp30 = bitcast %1* %arg to i8*
53 %tmp31 = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %tmp30, i8* %tmp29)
54 %tmp34 = call i8* @llvm.objc.retain(i8* %tmp31) nounwind
55 %tmp37 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_421455", align 8
56 %tmp39 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*)*)(i8* %tmp34, i8* %tmp37)
57 %tmp40 = bitcast %0* %tmp39 to i8*
58 %tmp41 = call i8* @llvm.objc.retain(i8* %tmp40) nounwind
59 %tmp42 = bitcast i8* %tmp41 to %0*
60 %tmp44 = icmp eq i8* %tmp41, null
61 br i1 %tmp44, label %bb45, label %bb55
64 %tmp47 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_624", align 8
65 %tmp49 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*)*)(i8* %tmp34, i8* %tmp47)
66 %tmp51 = bitcast %0* %tmp49 to i8*
67 %tmp52 = call i8* @llvm.objc.retain(i8* %tmp51) nounwind
68 call void @llvm.objc.release(i8* %tmp41) nounwind
71 bb55: ; preds = %bb27, %bb45
72 %tmp13.0 = phi %0* [ %tmp42, %bb27 ], [ %tmp49, %bb45 ]
73 %tmp57 = icmp eq %0* %tmp13.0, null
74 br i1 %tmp57, label %bb76, label %bb58
77 %tmp60 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_598", align 8
78 %tmp61 = bitcast %0* %tmp13.0 to i8*
79 %tmp62 = call signext i8 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8 (i8*, i8*)*)(i8* %tmp61, i8* %tmp60)
80 %tmp64 = icmp eq i8 %tmp62, 0
81 br i1 %tmp64, label %bb76, label %bb65
84 %tmp68 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_626", align 8
85 %tmp69 = bitcast %0* %tmp13.0 to i8*
86 %tmp70 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*, %5*)*)(i8* %tmp69, i8* %tmp68, %5* %tmp24)
87 %tmp72 = bitcast %0* %tmp70 to i8*
88 %tmp73 = call i8* @llvm.objc.retain(i8* %tmp72) nounwind
91 bb76: ; preds = %bb58, %bb55, %bb65
92 %tmp10.0 = phi %0* [ %tmp70, %bb65 ], [ null, %bb58 ], [ null, %bb55 ]
93 %tmp78 = bitcast %0* %tmp13.0 to i8*
94 call void @llvm.objc.release(i8* %tmp78) nounwind
95 call void @llvm.objc.release(i8* %tmp34) nounwind
98 bb81: ; preds = %bb, %bb76
99 %tmp10.1 = phi %0* [ %tmp10.0, %bb76 ], [ null, %bb ]
100 %tmp83 = bitcast %0* %tmp10.1 to i8*
101 %tmp84 = call i8* @llvm.objc.retain(i8* %tmp83) nounwind
102 call void @llvm.objc.release(i8* %tmp23) nounwind
103 %tmp87 = call i8* @llvm.objc.autorelease(i8* %tmp84) nounwind
104 %tmp88 = bitcast i8* %tmp87 to %0*
105 %tmp92 = bitcast %0* %tmp10.1 to i8*
106 call void @llvm.objc.release(i8* %tmp92) nounwind