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e93cabd1a0
Turning retains into retainRV calls disrupts the data flow analysis in ObjCARCOpts. Thus we move it as late as we can by moving it into ObjCARCContract. We leave in the conversion from retainRV -> retain in ObjCARCOpt since it enables the dataflow analysis. rdar://10813093 llvm-svn: 180698
109 lines
5.1 KiB
LLVM
109 lines
5.1 KiB
LLVM
; RUN: opt -S -objc-arc -objc-arc-contract < %s | FileCheck %s
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; The optimizer should be able to move the autorelease past two phi nodes
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; and fold it with the release in bb65.
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; CHECK: bb65:
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; CHECK: call i8* @objc_retainAutorelease
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; CHECK: br label %bb76
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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"
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target triple = "x86_64-apple-darwin11.0.0"
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%0 = type opaque
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%1 = type opaque
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%2 = type opaque
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%3 = type opaque
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%4 = type opaque
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%5 = type opaque
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@"\01L_OBJC_SELECTOR_REFERENCES_11" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@"\01L_OBJC_SELECTOR_REFERENCES_421455" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@"\01L_OBJC_SELECTOR_REFERENCES_598" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@"\01L_OBJC_SELECTOR_REFERENCES_620" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@"\01L_OBJC_SELECTOR_REFERENCES_622" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@"\01L_OBJC_SELECTOR_REFERENCES_624" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@"\01L_OBJC_SELECTOR_REFERENCES_626" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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declare i8* @objc_msgSend(i8*, i8*, ...)
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declare i8* @objc_retain(i8*)
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declare void @objc_release(i8*)
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declare i8* @objc_autorelease(i8*)
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define hidden %0* @foo(%1* %arg, %3* %arg3) {
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bb:
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%tmp16 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_620", align 8
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%tmp17 = bitcast %3* %arg3 to i8*
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%tmp18 = call %4* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %4* (i8*, i8*)*)(i8* %tmp17, i8* %tmp16)
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%tmp19 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_622", align 8
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%tmp20 = bitcast %4* %tmp18 to i8*
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%tmp21 = call %5* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %5* (i8*, i8*)*)(i8* %tmp20, i8* %tmp19)
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%tmp22 = bitcast %5* %tmp21 to i8*
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%tmp23 = call i8* @objc_retain(i8* %tmp22) nounwind
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%tmp24 = bitcast i8* %tmp23 to %5*
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%tmp26 = icmp eq i8* %tmp23, null
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br i1 %tmp26, label %bb81, label %bb27
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bb27: ; preds = %bb
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%tmp29 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_11", align 8
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%tmp30 = bitcast %1* %arg to i8*
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%tmp31 = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %tmp30, i8* %tmp29)
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%tmp34 = call i8* @objc_retain(i8* %tmp31) nounwind
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%tmp37 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_421455", align 8
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%tmp39 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*)*)(i8* %tmp34, i8* %tmp37)
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%tmp40 = bitcast %0* %tmp39 to i8*
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%tmp41 = call i8* @objc_retain(i8* %tmp40) nounwind
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%tmp42 = bitcast i8* %tmp41 to %0*
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%tmp44 = icmp eq i8* %tmp41, null
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br i1 %tmp44, label %bb45, label %bb55
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bb45: ; preds = %bb27
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%tmp47 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_624", align 8
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%tmp49 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*)*)(i8* %tmp34, i8* %tmp47)
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%tmp51 = bitcast %0* %tmp49 to i8*
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%tmp52 = call i8* @objc_retain(i8* %tmp51) nounwind
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call void @objc_release(i8* %tmp41) nounwind
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br label %bb55
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bb55: ; preds = %bb27, %bb45
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%tmp13.0 = phi %0* [ %tmp42, %bb27 ], [ %tmp49, %bb45 ]
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%tmp57 = icmp eq %0* %tmp13.0, null
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br i1 %tmp57, label %bb76, label %bb58
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bb58: ; preds = %bb55
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%tmp60 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_598", align 8
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%tmp61 = bitcast %0* %tmp13.0 to i8*
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%tmp62 = call signext i8 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8 (i8*, i8*)*)(i8* %tmp61, i8* %tmp60)
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%tmp64 = icmp eq i8 %tmp62, 0
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br i1 %tmp64, label %bb76, label %bb65
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bb65: ; preds = %bb58
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%tmp68 = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_626", align 8
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%tmp69 = bitcast %0* %tmp13.0 to i8*
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%tmp70 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*, %5*)*)(i8* %tmp69, i8* %tmp68, %5* %tmp24)
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%tmp72 = bitcast %0* %tmp70 to i8*
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%tmp73 = call i8* @objc_retain(i8* %tmp72) nounwind
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br label %bb76
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bb76: ; preds = %bb58, %bb55, %bb65
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%tmp10.0 = phi %0* [ %tmp70, %bb65 ], [ null, %bb58 ], [ null, %bb55 ]
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%tmp78 = bitcast %0* %tmp13.0 to i8*
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call void @objc_release(i8* %tmp78) nounwind
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call void @objc_release(i8* %tmp34) nounwind
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br label %bb81
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bb81: ; preds = %bb, %bb76
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%tmp10.1 = phi %0* [ %tmp10.0, %bb76 ], [ null, %bb ]
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%tmp83 = bitcast %0* %tmp10.1 to i8*
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%tmp84 = call i8* @objc_retain(i8* %tmp83) nounwind
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%tmp88 = bitcast i8* %tmp87 to %0*
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call void @objc_release(i8* %tmp23) nounwind
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%tmp87 = call i8* @objc_autorelease(i8* %tmp84) nounwind
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%tmp92 = bitcast %0* %tmp10.1 to i8*
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call void @objc_release(i8* %tmp92) nounwind
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ret %0* %tmp88
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}
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