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1; RUN: opt -S -passes=objc-arc,objc-arc-contract < %s | FileCheck %s2 3; The optimizer should be able to move the autorelease past two phi nodes4; and fold it with the release in bb65.5 6; CHECK: bb65:7; CHECK: call ptr @llvm.objc.retainAutorelease8; CHECK: br label %bb769 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 opaque14%1 = type opaque15%2 = type opaque16%3 = type opaque17%4 = type opaque18%5 = type opaque19 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 839 %tmp18 = call ptr @objc_msgSend(ptr %arg3, ptr %tmp16)40 %tmp19 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_622", align 841 %tmp21 = call ptr @objc_msgSend(ptr %tmp18, ptr %tmp19)42 %tmp23 = call ptr @llvm.objc.retain(ptr %tmp21) nounwind43 %tmp26 = icmp eq ptr %tmp23, null44 br i1 %tmp26, label %bb81, label %bb2745 46bb27: ; preds = %bb47 %tmp29 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_11", align 848 %tmp31 = call ptr @objc_msgSend(ptr %arg, ptr %tmp29)49 %tmp34 = call ptr @llvm.objc.retain(ptr %tmp31) nounwind50 %tmp37 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_421455", align 851 %tmp39 = call ptr @objc_msgSend(ptr %tmp34, ptr %tmp37)52 %tmp41 = call ptr @llvm.objc.retain(ptr %tmp39) nounwind53 %tmp44 = icmp eq ptr %tmp41, null54 br i1 %tmp44, label %bb45, label %bb5555 56bb45: ; preds = %bb2757 %tmp47 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_624", align 858 %tmp49 = call ptr @objc_msgSend(ptr %tmp34, ptr %tmp47)59 %tmp52 = call ptr @llvm.objc.retain(ptr %tmp49) nounwind60 call void @llvm.objc.release(ptr %tmp41) nounwind61 br label %bb5562 63bb55: ; preds = %bb27, %bb4564 %tmp13.0 = phi ptr [ %tmp41, %bb27 ], [ %tmp49, %bb45 ]65 %tmp57 = icmp eq ptr %tmp13.0, null66 br i1 %tmp57, label %bb76, label %bb5867 68bb58: ; preds = %bb5569 %tmp60 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_598", align 870 %tmp62 = call signext i8 @objc_msgSend(ptr %tmp13.0, ptr %tmp60)71 %tmp64 = icmp eq i8 %tmp62, 072 br i1 %tmp64, label %bb76, label %bb6573 74bb65: ; preds = %bb5875 %tmp68 = load ptr, ptr @"\01L_OBJC_SELECTOR_REFERENCES_626", align 876 %tmp70 = call ptr @objc_msgSend(ptr %tmp13.0, ptr %tmp68, ptr %tmp23)77 %tmp73 = call ptr @llvm.objc.retain(ptr %tmp70) nounwind78 br label %bb7679 80bb76: ; preds = %bb58, %bb55, %bb6581 %tmp10.0 = phi ptr [ %tmp70, %bb65 ], [ null, %bb58 ], [ null, %bb55 ]82 call void @llvm.objc.release(ptr %tmp13.0) nounwind83 call void @llvm.objc.release(ptr %tmp34) nounwind84 br label %bb8185 86bb81: ; preds = %bb, %bb7687 %tmp10.1 = phi ptr [ %tmp10.0, %bb76 ], [ null, %bb ]88 %tmp84 = call ptr @llvm.objc.retain(ptr %tmp10.1) nounwind89 call void @llvm.objc.release(ptr %tmp23) nounwind90 %tmp87 = call ptr @llvm.objc.autorelease(ptr %tmp84) nounwind91 call void @llvm.objc.release(ptr %tmp10.1) nounwind92 ret ptr %tmp8793}94