1 ; RUN: llc < %s -mtriple=armv7-apple-darwin | FileCheck %s 2 ; FIXME: Need post-ifcvt branch folding to get rid of the extra br at end of BB1. 3 4 %struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* } 5 6 define fastcc i32 @CountTree(%struct.quad_struct* %tree) { 7 ; CHECK: cmpeq 8 ; CHECK: moveq 9 ; CHECK: popeq 10 entry: 11 br label %tailrecurse 12 13 tailrecurse: ; preds = %bb, %entry 14 %tmp6 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] 15 %tmp9 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=2] 16 %tmp12 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] 17 %tmp14 = icmp eq %struct.quad_struct* null, null ; <i1> [#uses=1] 18 %tmp17 = icmp eq %struct.quad_struct* %tmp6, null ; <i1> [#uses=1] 19 %tmp23 = icmp eq %struct.quad_struct* %tmp9, null ; <i1> [#uses=1] 20 %tmp29 = icmp eq %struct.quad_struct* %tmp12, null ; <i1> [#uses=1] 21 %bothcond = and i1 %tmp17, %tmp14 ; <i1> [#uses=1] 22 %bothcond1 = and i1 %bothcond, %tmp23 ; <i1> [#uses=1] 23 %bothcond2 = and i1 %bothcond1, %tmp29 ; <i1> [#uses=1] 24 br i1 %bothcond2, label %return, label %bb 25 26 bb: ; preds = %tailrecurse 27 %tmp41 = tail call fastcc i32 @CountTree( %struct.quad_struct* %tmp9 ) ; <i32> [#uses=0] 28 br label %tailrecurse 29 30 return: ; preds = %tailrecurse 31 ret i32 0 32 } 33
