1; RUN: opt -S -passes=objc-arc,objc-arc-contract < %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 ptr @llvm.objc.retainAutorelease 8; CHECK: br label %bb76 9 10target 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" 11target 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 ptr, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" 21@"\01L_OBJC_SELECTOR_REFERENCES_421455" = external hidden global ptr, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" 22@"\01L_OBJC_SELECTOR_REFERENCES_598" = external hidden global ptr, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" 23@"\01L_OBJC_SELECTOR_REFERENCES_620" = external hidden global ptr, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" 24@"\01L_OBJC_SELECTOR_REFERENCES_622" = external hidden global ptr, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" 25@"\01L_OBJC_SELECTOR_REFERENCES_624" = external hidden global ptr, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" 26@"\01L_OBJC_SELECTOR_REFERENCES_626" = external hidden global ptr, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip" 27 28declare ptr @objc_msgSend(ptr, ptr, ...) 29 30declare ptr @llvm.objc.retain(ptr) 31 32declare void @llvm.objc.release(ptr) 33 34declare ptr @llvm.objc.autorelease(ptr) 35 36define hidden ptr @foo(ptr %arg, ptr %arg3) { 37bb: 38 %tmp16 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_620", align 8 39 %tmp18 = call ptr @objc_msgSend(ptr %arg3, ptr %tmp16) 40 %tmp19 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_622", align 8 41 %tmp21 = call ptr @objc_msgSend(ptr %tmp18, ptr %tmp19) 42 %tmp23 = call ptr @llvm.objc.retain(ptr %tmp21) nounwind 43 %tmp26 = icmp eq ptr %tmp23, null 44 br i1 %tmp26, label %bb81, label %bb27 45 46bb27: ; preds = %bb 47 %tmp29 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_11", align 8 48 %tmp31 = call ptr @objc_msgSend(ptr %arg, ptr %tmp29) 49 %tmp34 = call ptr @llvm.objc.retain(ptr %tmp31) nounwind 50 %tmp37 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_421455", align 8 51 %tmp39 = call ptr @objc_msgSend(ptr %tmp34, ptr %tmp37) 52 %tmp41 = call ptr @llvm.objc.retain(ptr %tmp39) nounwind 53 %tmp44 = icmp eq ptr %tmp41, null 54 br i1 %tmp44, label %bb45, label %bb55 55 56bb45: ; preds = %bb27 57 %tmp47 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_624", align 8 58 %tmp49 = call ptr @objc_msgSend(ptr %tmp34, ptr %tmp47) 59 %tmp52 = call ptr @llvm.objc.retain(ptr %tmp49) nounwind 60 call void @llvm.objc.release(ptr %tmp41) nounwind 61 br label %bb55 62 63bb55: ; preds = %bb27, %bb45 64 %tmp13.0 = phi ptr [ %tmp41, %bb27 ], [ %tmp49, %bb45 ] 65 %tmp57 = icmp eq ptr %tmp13.0, null 66 br i1 %tmp57, label %bb76, label %bb58 67 68bb58: ; preds = %bb55 69 %tmp60 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_598", align 8 70 %tmp62 = call signext i8 @objc_msgSend(ptr %tmp13.0, ptr %tmp60) 71 %tmp64 = icmp eq i8 %tmp62, 0 72 br i1 %tmp64, label %bb76, label %bb65 73 74bb65: ; preds = %bb58 75 %tmp68 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_626", align 8 76 %tmp70 = call ptr @objc_msgSend(ptr %tmp13.0, ptr %tmp68, ptr %tmp23) 77 %tmp73 = call ptr @llvm.objc.retain(ptr %tmp70) nounwind 78 br label %bb76 79 80bb76: ; preds = %bb58, %bb55, %bb65 81 %tmp10.0 = phi ptr [ %tmp70, %bb65 ], [ null, %bb58 ], [ null, %bb55 ] 82 call void @llvm.objc.release(ptr %tmp13.0) nounwind 83 call void @llvm.objc.release(ptr %tmp34) nounwind 84 br label %bb81 85 86bb81: ; preds = %bb, %bb76 87 %tmp10.1 = phi ptr [ %tmp10.0, %bb76 ], [ null, %bb ] 88 %tmp84 = call ptr @llvm.objc.retain(ptr %tmp10.1) nounwind 89 call void @llvm.objc.release(ptr %tmp23) nounwind 90 %tmp87 = call ptr @llvm.objc.autorelease(ptr %tmp84) nounwind 91 call void @llvm.objc.release(ptr %tmp10.1) nounwind 92 ret ptr %tmp87 93} 94