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; RUN: opt -S -objc-arc -objc-arc-contract < %s | FileCheck %s
; The optimizer should be able to move the autorelease past two phi nodes
; and fold it with the release in bb65.
; CHECK: bb65:
; CHECK: call i8* @objc_retainAutorelease
; CHECK: br label %bb76
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"
target triple = "x86_64-apple-darwin11.0.0"
%0 = type opaque
%1 = type opaque
%2 = type opaque
%3 = type opaque
%4 = type opaque
%5 = type opaque
@"\01L_OBJC_SELECTOR_REFERENCES_11" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
@"\01L_OBJC_SELECTOR_REFERENCES_421455" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
@"\01L_OBJC_SELECTOR_REFERENCES_598" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
@"\01L_OBJC_SELECTOR_REFERENCES_620" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
@"\01L_OBJC_SELECTOR_REFERENCES_622" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
@"\01L_OBJC_SELECTOR_REFERENCES_624" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
@"\01L_OBJC_SELECTOR_REFERENCES_626" = external hidden global i8*, section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
declare i8* @objc_msgSend(i8*, i8*, ...)
declare i8* @objc_retain(i8*)
declare void @objc_release(i8*)
declare i8* @objc_autorelease(i8*)
define hidden %0* @foo(%1* %arg, %3* %arg3) {
bb:
%tmp16 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_620", align 8
%tmp17 = bitcast %3* %arg3 to i8*
%tmp18 = call %4* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %4* (i8*, i8*)*)(i8* %tmp17, i8* %tmp16)
%tmp19 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_622", align 8
%tmp20 = bitcast %4* %tmp18 to i8*
%tmp21 = call %5* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %5* (i8*, i8*)*)(i8* %tmp20, i8* %tmp19)
%tmp22 = bitcast %5* %tmp21 to i8*
%tmp23 = call i8* @objc_retain(i8* %tmp22) nounwind
%tmp24 = bitcast i8* %tmp23 to %5*
%tmp26 = icmp eq i8* %tmp23, null
br i1 %tmp26, label %bb81, label %bb27
bb27: ; preds = %bb
%tmp29 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_11", align 8
%tmp30 = bitcast %1* %arg to i8*
%tmp31 = call i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %tmp30, i8* %tmp29)
%tmp34 = call i8* @objc_retain(i8* %tmp31) nounwind
%tmp37 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_421455", align 8
%tmp39 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*)*)(i8* %tmp34, i8* %tmp37)
%tmp40 = bitcast %0* %tmp39 to i8*
%tmp41 = call i8* @objc_retain(i8* %tmp40) nounwind
%tmp42 = bitcast i8* %tmp41 to %0*
%tmp44 = icmp eq i8* %tmp41, null
br i1 %tmp44, label %bb45, label %bb55
bb45: ; preds = %bb27
%tmp47 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_624", align 8
%tmp49 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*)*)(i8* %tmp34, i8* %tmp47)
%tmp51 = bitcast %0* %tmp49 to i8*
%tmp52 = call i8* @objc_retain(i8* %tmp51) nounwind
call void @objc_release(i8* %tmp41) nounwind
br label %bb55
bb55: ; preds = %bb27, %bb45
%tmp13.0 = phi %0* [ %tmp42, %bb27 ], [ %tmp49, %bb45 ]
%tmp57 = icmp eq %0* %tmp13.0, null
br i1 %tmp57, label %bb76, label %bb58
bb58: ; preds = %bb55
%tmp60 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_598", align 8
%tmp61 = bitcast %0* %tmp13.0 to i8*
%tmp62 = call signext i8 bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8 (i8*, i8*)*)(i8* %tmp61, i8* %tmp60)
%tmp64 = icmp eq i8 %tmp62, 0
br i1 %tmp64, label %bb76, label %bb65
bb65: ; preds = %bb58
%tmp68 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_626", align 8
%tmp69 = bitcast %0* %tmp13.0 to i8*
%tmp70 = call %0* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %0* (i8*, i8*, %5*)*)(i8* %tmp69, i8* %tmp68, %5* %tmp24)
%tmp72 = bitcast %0* %tmp70 to i8*
%tmp73 = call i8* @objc_retain(i8* %tmp72) nounwind
br label %bb76
bb76: ; preds = %bb58, %bb55, %bb65
%tmp10.0 = phi %0* [ %tmp70, %bb65 ], [ null, %bb58 ], [ null, %bb55 ]
%tmp78 = bitcast %0* %tmp13.0 to i8*
call void @objc_release(i8* %tmp78) nounwind
call void @objc_release(i8* %tmp34) nounwind
br label %bb81
bb81: ; preds = %bb, %bb76
%tmp10.1 = phi %0* [ %tmp10.0, %bb76 ], [ null, %bb ]
%tmp83 = bitcast %0* %tmp10.1 to i8*
%tmp84 = call i8* @objc_retain(i8* %tmp83) nounwind
%tmp88 = bitcast i8* %tmp87 to %0*
call void @objc_release(i8* %tmp23) nounwind
%tmp87 = call i8* @objc_autorelease(i8* %tmp84) nounwind
%tmp92 = bitcast %0* %tmp10.1 to i8*
call void @objc_release(i8* %tmp92) nounwind
ret %0* %tmp88
}
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