| ; 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 |
| entry: |
| br label %tailrecurse |
| |
| tailrecurse: ; preds = %bb, %entry |
| %tmp6 = load %struct.quad_struct*, %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] |
| %tmp9 = load %struct.quad_struct*, %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=2] |
| %tmp12 = load %struct.quad_struct*, %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 |
| } |