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, ptr, ptr, ptr, ptr, ptr } 5 6define fastcc i32 @CountTree(ptr %tree) { 7; CHECK: cmpeq 8entry: 9 br label %tailrecurse 10 11tailrecurse: ; preds = %bb, %entry 12 %tmp6 = load ptr, ptr null ; <ptr> [#uses=1] 13 %tmp9 = load ptr, ptr null ; <ptr> [#uses=2] 14 %tmp12 = load ptr, ptr null ; <ptr> [#uses=1] 15 %tmp14 = icmp eq ptr null, null ; <i1> [#uses=1] 16 %tmp17 = icmp eq ptr %tmp6, null ; <i1> [#uses=1] 17 %tmp23 = icmp eq ptr %tmp9, null ; <i1> [#uses=1] 18 %tmp29 = icmp eq ptr %tmp12, null ; <i1> [#uses=1] 19 %bothcond = and i1 %tmp17, %tmp14 ; <i1> [#uses=1] 20 %bothcond1 = and i1 %bothcond, %tmp23 ; <i1> [#uses=1] 21 %bothcond2 = and i1 %bothcond1, %tmp29 ; <i1> [#uses=1] 22 br i1 %bothcond2, label %return, label %bb 23 24bb: ; preds = %tailrecurse 25 %tmp41 = tail call fastcc i32 @CountTree( ptr %tmp9 ) ; <i32> [#uses=0] 26 br label %tailrecurse 27 28return: ; preds = %tailrecurse 29 ret i32 0 30} 31