1 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -arm-atomic-cfg-tidy=0 | FileCheck %s 2 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -arm-atomic-cfg-tidy=0 -arm-default-it | FileCheck %s 3 ; RUN: llc < %s -mtriple=thumbv8-apple-ios -arm-atomic-cfg-tidy=0 -arm-no-restrict-it | FileCheck %s 4 5 define void @foo(i32 %X, i32 %Y) { 6 entry: 7 ; CHECK-LABEL: foo: 8 ; CHECK: it ne 9 ; CHECK: cmpne 10 ; CHECK: it hi 11 ; CHECK: pophi {r7, pc} 12 %tmp1 = icmp ult i32 %X, 4 ; <i1> [#uses=1] 13 %tmp4 = icmp eq i32 %Y, 0 ; <i1> [#uses=1] 14 %tmp7 = or i1 %tmp4, %tmp1 ; <i1> [#uses=1] 15 br i1 %tmp7, label %cond_true, label %UnifiedReturnBlock 16 17 cond_true: ; preds = %entry 18 %tmp10 = call i32 (...)* @bar( ) ; <i32> [#uses=0] 19 ret void 20 21 UnifiedReturnBlock: ; preds = %entry 22 ret void 23 } 24 25 declare i32 @bar(...) 26 27 ; FIXME: Need post-ifcvt branch folding to get rid of the extra br at end of BB1. 28 29 %struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* } 30 31 define fastcc i32 @CountTree(%struct.quad_struct* %tree) { 32 entry: 33 ; CHECK-LABEL: CountTree: 34 ; CHECK: bne 35 ; CHECK: cmp 36 ; CHECK: it eq 37 ; CHECK: cmpeq 38 ; CHECK: itt eq 39 ; CHECK: moveq 40 ; CHECK: popeq 41 br label %tailrecurse 42 43 tailrecurse: ; preds = %bb, %entry 44 %tmp6 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] 45 %tmp9 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=2] 46 %tmp12 = load %struct.quad_struct** null ; <%struct.quad_struct*> [#uses=1] 47 %tmp14 = icmp eq %struct.quad_struct* null, null ; <i1> [#uses=1] 48 %tmp17 = icmp eq %struct.quad_struct* %tmp6, null ; <i1> [#uses=1] 49 %tmp23 = icmp eq %struct.quad_struct* %tmp9, null ; <i1> [#uses=1] 50 %tmp29 = icmp eq %struct.quad_struct* %tmp12, null ; <i1> [#uses=1] 51 %bothcond = and i1 %tmp17, %tmp14 ; <i1> [#uses=1] 52 %bothcond1 = and i1 %bothcond, %tmp23 ; <i1> [#uses=1] 53 %bothcond2 = and i1 %bothcond1, %tmp29 ; <i1> [#uses=1] 54 br i1 %bothcond2, label %return, label %bb 55 56 bb: ; preds = %tailrecurse 57 %tmp41 = tail call fastcc i32 @CountTree( %struct.quad_struct* %tmp9 ) ; <i32> [#uses=0] 58 br label %tailrecurse 59 60 return: ; preds = %tailrecurse 61 ret i32 0 62 } 63 64 %struct.SString = type { i8*, i32, i32 } 65 66 declare void @abort() 67 68 define fastcc void @t1(%struct.SString* %word, i8 signext %c) { 69 entry: 70 ; CHECK-LABEL: t1: 71 ; CHECK: it ne 72 ; CHECK: popne {r7, pc} 73 %tmp1 = icmp eq %struct.SString* %word, null ; <i1> [#uses=1] 74 br i1 %tmp1, label %cond_true, label %cond_false 75 76 cond_true: ; preds = %entry 77 tail call void @abort( ) 78 unreachable 79 80 cond_false: ; preds = %entry 81 ret void 82 } 83 84 define fastcc void @t2() nounwind { 85 entry: 86 ; CHECK-LABEL: t2: 87 ; CHECK: cmp r0, #0 88 ; CHECK: %growMapping.exit 89 br i1 undef, label %bb.i.i3, label %growMapping.exit 90 91 bb.i.i3: ; preds = %entry 92 unreachable 93 94 growMapping.exit: ; preds = %entry 95 unreachable 96 } 97
