; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s | |
; FIXME: Need post-ifcvt branch folding to get rid of the extra br at end of BB1. | |
%struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* } | |
define fastcc i32 @CountTree(%struct.quad_struct* %tree) { | |
; CHECK: cmpeq | |
; CHECK: moveq | |
; CHECK: popeq | |
entry: | |
br label %tailrecurse | |
tailrecurse: ; preds = %bb, %entry | |
%tmp6 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] | |
%tmp9 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=2] | |
%tmp12 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] | |
%tmp14 = icmp eq %struct.quad_struct* null, null ; <i1> [#uses=1] | |
%tmp17 = icmp eq %struct.quad_struct* %tmp6, null ; <i1> [#uses=1] | |
%tmp23 = icmp eq %struct.quad_struct* %tmp9, null ; <i1> [#uses=1] | |
%tmp29 = icmp eq %struct.quad_struct* %tmp12, null ; <i1> [#uses=1] | |
%bothcond = and i1 %tmp17, %tmp14 ; <i1> [#uses=1] | |
%bothcond1 = and i1 %bothcond, %tmp23 ; <i1> [#uses=1] | |
%bothcond2 = and i1 %bothcond1, %tmp29 ; <i1> [#uses=1] | |
br i1 %bothcond2, label %return, label %bb | |
bb: ; preds = %tailrecurse | |
%tmp41 = tail call fastcc i32 @CountTree( %struct.quad_struct* %tmp9 ) ; <i32> [#uses=0] | |
br label %tailrecurse | |
return: ; preds = %tailrecurse | |
ret i32 0 | |
} |