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; Do not if-convert when branches go to the different loops.
28; CHECK-LABEL: t2:
29; CHECK-NOT: ite gt
30; CHECK-NOT: subgt
31; CHECK-NOT: suble
32	%tmp1434 = icmp eq i32 %a, %b		; <i1> [#uses=1]
33	br i1 %tmp1434, label %bb17, label %bb.outer
34
35bb.outer:		; preds = %cond_false, %entry
36	%b_addr.021.0.ph = phi i32 [ %b, %entry ], [ %tmp10, %cond_false ]		; <i32> [#uses=5]
37	%a_addr.026.0.ph = phi i32 [ %a, %entry ], [ %a_addr.026.0, %cond_false ]		; <i32> [#uses=1]
38	br label %bb
39
40bb:		; preds = %cond_true, %bb.outer
41	%indvar = phi i32 [ 0, %bb.outer ], [ %indvar.next, %cond_true ]		; <i32> [#uses=2]
42	%tmp. = sub i32 0, %b_addr.021.0.ph		; <i32> [#uses=1]
43	%tmp.40 = mul i32 %indvar, %tmp.		; <i32> [#uses=1]
44	%a_addr.026.0 = add i32 %tmp.40, %a_addr.026.0.ph		; <i32> [#uses=6]
45	%tmp3 = icmp sgt i32 %a_addr.026.0, %b_addr.021.0.ph		; <i1> [#uses=1]
46	br i1 %tmp3, label %cond_true, label %cond_false
47
48cond_true:		; preds = %bb
49	%tmp7 = sub i32 %a_addr.026.0, %b_addr.021.0.ph		; <i32> [#uses=2]
50	%tmp1437 = icmp eq i32 %tmp7, %b_addr.021.0.ph		; <i1> [#uses=1]
51	%indvar.next = add i32 %indvar, 1		; <i32> [#uses=1]
52	br i1 %tmp1437, label %bb17, label %bb
53
54cond_false:		; preds = %bb
55	%tmp10 = sub i32 %b_addr.021.0.ph, %a_addr.026.0		; <i32> [#uses=2]
56	%tmp14 = icmp eq i32 %a_addr.026.0, %tmp10		; <i1> [#uses=1]
57	br i1 %tmp14, label %bb17, label %bb.outer
58
59bb17:		; preds = %cond_false, %cond_true, %entry
60	%a_addr.026.1 = phi i32 [ %a, %entry ], [ %tmp7, %cond_true ], [ %a_addr.026.0, %cond_false ]		; <i32> [#uses=1]
61	ret i32 %a_addr.026.1
62}
63
64@x = external global i32*		; <i32**> [#uses=1]
65
66define void @foo(i32 %a) nounwind {
67entry:
68	%tmp = load i32*, i32** @x		; <i32*> [#uses=1]
69	store i32 %a, i32* %tmp
70	ret void
71}
72
73define void @t3(i32 %a, i32 %b) nounwind {
74entry:
75; CHECK-LABEL: t3:
76; CHECK: itt ge
77; CHECK: movge r0, r1
78; CHECK: blge  {{_?}}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