1 ; RUN: llc < %s -mtriple=thumbv8 | FileCheck %s 2 ; RUN: llc < %s -mtriple=thumbv7 -arm-restrict-it | FileCheck %s 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 entry: 8 ; CHECK-LABEL: CountTree: 9 ; CHECK: bne 10 ; CHECK: cmp 11 ; CHECK: it eq 12 ; CHECK: cmpeq 13 ; CHECK: bne 14 ; CHECK: mov 15 ; CHECK: pop 16 br label %tailrecurse 17 18 tailrecurse: ; preds = %bb, %entry 19 %tmp6 = load %struct.quad_struct*, %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] 20 %tmp9 = load %struct.quad_struct*, %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=2] 21 %tmp12 = load %struct.quad_struct*, %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] 22 %tmp14 = icmp eq %struct.quad_struct* null, null ; <i1> [#uses=1] 23 %tmp17 = icmp eq %struct.quad_struct* %tmp6, null ; <i1> [#uses=1] 24 %tmp23 = icmp eq %struct.quad_struct* %tmp9, null ; <i1> [#uses=1] 25 %tmp29 = icmp eq %struct.quad_struct* %tmp12, null ; <i1> [#uses=1] 26 %bothcond = and i1 %tmp17, %tmp14 ; <i1> [#uses=1] 27 %bothcond1 = and i1 %bothcond, %tmp23 ; <i1> [#uses=1] 28 %bothcond2 = and i1 %bothcond1, %tmp29 ; <i1> [#uses=1] 29 br i1 %bothcond2, label %return, label %bb 30 31 bb: ; preds = %tailrecurse 32 %tmp41 = tail call fastcc i32 @CountTree( %struct.quad_struct* %tmp9 ) ; <i32> [#uses=0] 33 br label %tailrecurse 34 35 return: ; preds = %tailrecurse 36 ret i32 0 37 } 38 39