1; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s 2; RUN: llc < %s -mtriple=thumbv7-apple-darwin -arm-default-it | FileCheck %s 3; RUN: llc < %s -mtriple=thumbv8 -arm-no-restrict-it |FileCheck %s 4define i32 @t1(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { 5; CHECK-LABEL: t1: 6; CHECK: ittt ne 7; CHECK: cmpne 8; CHECK: addne 9; CHECK: bxne lr 10 switch i32 %c, label %cond_next [ 11 i32 1, label %cond_true 12 i32 7, label %cond_true 13 ] 14 15cond_true: 16 %tmp12 = add i32 %a, 1 17 %tmp1518 = add i32 %tmp12, %b 18 ret i32 %tmp1518 19 20cond_next: 21 %tmp15 = add i32 %b, %a 22 ret i32 %tmp15 23} 24 25define i32 @t2(i32 %a, i32 %b) nounwind { 26entry: 27; CHECK-LABEL: t2: 28; CHECK: ite gt 29; CHECK: subgt 30; CHECK: suble 31 %tmp1434 = icmp eq i32 %a, %b ; <i1> [#uses=1] 32 br i1 %tmp1434, label %bb17, label %bb.outer 33 34bb.outer: ; preds = %cond_false, %entry 35 %b_addr.021.0.ph = phi i32 [ %b, %entry ], [ %tmp10, %cond_false ] ; <i32> [#uses=5] 36 %a_addr.026.0.ph = phi i32 [ %a, %entry ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1] 37 br label %bb 38 39bb: ; preds = %cond_true, %bb.outer 40 %indvar = phi i32 [ 0, %bb.outer ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2] 41 %tmp. = sub i32 0, %b_addr.021.0.ph ; <i32> [#uses=1] 42 %tmp.40 = mul i32 %indvar, %tmp. ; <i32> [#uses=1] 43 %a_addr.026.0 = add i32 %tmp.40, %a_addr.026.0.ph ; <i32> [#uses=6] 44 %tmp3 = icmp sgt i32 %a_addr.026.0, %b_addr.021.0.ph ; <i1> [#uses=1] 45 br i1 %tmp3, label %cond_true, label %cond_false 46 47cond_true: ; preds = %bb 48 %tmp7 = sub i32 %a_addr.026.0, %b_addr.021.0.ph ; <i32> [#uses=2] 49 %tmp1437 = icmp eq i32 %tmp7, %b_addr.021.0.ph ; <i1> [#uses=1] 50 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 51 br i1 %tmp1437, label %bb17, label %bb 52 53cond_false: ; preds = %bb 54 %tmp10 = sub i32 %b_addr.021.0.ph, %a_addr.026.0 ; <i32> [#uses=2] 55 %tmp14 = icmp eq i32 %a_addr.026.0, %tmp10 ; <i1> [#uses=1] 56 br i1 %tmp14, label %bb17, label %bb.outer 57 58bb17: ; preds = %cond_false, %cond_true, %entry 59 %a_addr.026.1 = phi i32 [ %a, %entry ], [ %tmp7, %cond_true ], [ %a_addr.026.0, %cond_false ] ; <i32> [#uses=1] 60 ret i32 %a_addr.026.1 61} 62 63@x = external global i32* ; <i32**> [#uses=1] 64 65define void @foo(i32 %a) nounwind { 66entry: 67 %tmp = load i32*, i32** @x ; <i32*> [#uses=1] 68 store i32 %a, i32* %tmp 69 ret void 70} 71 72define void @t3(i32 %a, i32 %b) nounwind { 73entry: 74; CHECK-LABEL: t3: 75; CHECK: it lt 76; CHECK-NEXT: bxlt lr 77; CHECK: mov r0, r1 78; CHECK: bl {{_?}}foo 79 %tmp1 = icmp sgt i32 %a, 10 ; <i1> [#uses=1] 80 br i1 %tmp1, label %cond_true, label %UnifiedReturnBlock 81 82cond_true: ; preds = %entry 83 call void @foo( i32 %b ) 84 ret void 85 86UnifiedReturnBlock: ; preds = %entry 87 ret void 88} 89