1 ; RUN: opt -S -objc-arc < %s | FileCheck %s 2 3 ; The optimizer should be able to move the autorelease past two phi nodes 4 ; and fold it with the release in bb65. 5 6 ; CHECK: bb65: 7 ; CHECK: call i8* @objc_retainAutorelease 8 ; CHECK: br label %bb76 9 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" 12 13 %0 = type opaque 14 %1 = type opaque 15 %2 = type opaque 16 %3 = type opaque 17 %4 = type opaque 18 %5 = type opaque 19 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" 27 28 declare i8* @objc_msgSend(i8*, i8*, ...) 29 30 declare i8* @objc_retain(i8*) 31 32 declare void @objc_release(i8*) 33 34 declare i8* @objc_autorelease(i8*) 35 36 define hidden %0* @foo(%1* %arg, %3* %arg3) { 37 bb: 38 %tmp16 = load 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** @"\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* @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 49 50 bb27: ; preds = %bb 51 %tmp29 = load 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* @objc_retain(i8* %tmp31) nounwind 55 %tmp37 = load 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* @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 62 63 bb45: ; preds = %bb27 64 %tmp47 = load 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* @objc_retain(i8* %tmp51) nounwind 68 call void @objc_release(i8* %tmp41) nounwind 69 br label %bb55 70 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 75 76 bb58: ; preds = %bb55 77 %tmp60 = load 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 82 83 bb65: ; preds = %bb58 84 %tmp68 = load 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* @objc_retain(i8* %tmp72) nounwind 89 br label %bb76 90 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 @objc_release(i8* %tmp78) nounwind 95 call void @objc_release(i8* %tmp34) nounwind 96 br label %bb81 97 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* @objc_retain(i8* %tmp83) nounwind 102 %tmp88 = bitcast i8* %tmp87 to %0* 103 call void @objc_release(i8* %tmp23) nounwind 104 %tmp87 = call i8* @objc_autorelease(i8* %tmp84) nounwind 105 %tmp92 = bitcast %0* %tmp10.1 to i8* 106 call void @objc_release(i8* %tmp92) nounwind 107 ret %0* %tmp88 108 } 109
