1; RUN: llc < %s -relocation-model=pic -mtriple=armv6-apple-darwin | FileCheck %s -check-prefix=ARM
2; RUN: llc < %s -relocation-model=pic -mtriple=thumbv6-apple-darwin | FileCheck %s -check-prefix=THUMB
3; RUN: llc < %s -relocation-model=static -mtriple=thumbv7-apple-darwin | FileCheck %s -check-prefix=THUMB2
4; RUN: llc < %s -relocation-model=static -mtriple=thumbv8-apple-darwin | FileCheck %s -check-prefix=THUMB2
5
6@nextaddr = global i8* null                       ; <i8**> [#uses=2]
7@C.0.2070 = private constant [5 x i8*] [i8* blockaddress(@foo, %L1), i8* blockaddress(@foo, %L2), i8* blockaddress(@foo, %L3), i8* blockaddress(@foo, %L4), i8* blockaddress(@foo, %L5)] ; <[5 x i8*]*> [#uses=1]
8
9define internal i32 @foo(i32 %i) nounwind {
10; ARM-LABEL: foo:
11; THUMB-LABEL: foo:
12; THUMB2-LABEL: foo:
13entry:
14  ; _nextaddr gets CSEed for use later on.
15; THUMB: ldr r[[NEXTADDR_REG:[0-9]+]], [[NEXTADDR_CPI:LCPI0_[0-9]+]]
16; THUMB: [[NEXTADDR_PCBASE:LPC0_[0-9]]]:
17; THUMB: add r[[NEXTADDR_REG]], pc
18
19  %0 = load i8*, i8** @nextaddr, align 4               ; <i8*> [#uses=2]
20  %1 = icmp eq i8* %0, null                       ; <i1> [#uses=1]
21; indirect branch gets duplicated here
22; ARM: bx
23; THUMB: mov pc,
24; THUMB2: mov pc,
25  br i1 %1, label %bb3, label %bb2
26
27bb2:                                              ; preds = %entry, %bb3
28  %gotovar.4.0 = phi i8* [ %gotovar.4.0.pre, %bb3 ], [ %0, %entry ] ; <i8*> [#uses=1]
29; ARM: bx
30; THUMB: mov pc,
31  indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1]
32
33bb3:                                              ; preds = %entry
34  %2 = getelementptr inbounds [5 x i8*], [5 x i8*]* @C.0.2070, i32 0, i32 %i ; <i8**> [#uses=1]
35  %gotovar.4.0.pre = load i8*, i8** %2, align 4        ; <i8*> [#uses=1]
36  br label %bb2
37
38L5:                                               ; preds = %bb2
39  br label %L4
40
41L4:                                               ; preds = %L5, %bb2
42  %res.0 = phi i32 [ 385, %L5 ], [ 35, %bb2 ]     ; <i32> [#uses=1]
43  br label %L3
44
45L3:                                               ; preds = %L4, %bb2
46  %res.1 = phi i32 [ %res.0, %L4 ], [ 5, %bb2 ]   ; <i32> [#uses=1]
47  br label %L2
48
49L2:                                               ; preds = %L3, %bb2
50; THUMB: muls
51  %res.2 = phi i32 [ %res.1, %L3 ], [ 1, %bb2 ]   ; <i32> [#uses=1]
52  %phitmp = mul i32 %res.2, 6                     ; <i32> [#uses=1]
53  br label %L1
54
55L1:                                               ; preds = %L2, %bb2
56  %res.3 = phi i32 [ %phitmp, %L2 ], [ 2, %bb2 ]  ; <i32> [#uses=1]
57; ARM-LABEL: %L1
58; ARM: ldr [[R1:r[0-9]+]], LCPI
59; ARM: add [[R1b:r[0-9]+]], pc, [[R1]]
60; ARM: str [[R1b]]
61
62; THUMB-LABEL: %L1
63; THUMB: ldr [[R2:r[0-9]+]], LCPI
64; THUMB: add [[R2]], pc
65; THUMB: str [[R2]], [r[[NEXTADDR_REG]]]
66; THUMB2-LABEL: %L1
67; THUMB2: ldr [[R2:r[0-9]+]], LCPI
68; THUMB2-NEXT: str{{(.w)?}} [[R2]]
69  store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4
70  ret i32 %res.3
71}
72; ARM: .long Ltmp0-(LPC{{.*}}+8)
73; THUMB: .long Ltmp0-(LPC{{.*}}+4)
74; THUMB: .long _nextaddr-([[NEXTADDR_PCBASE]]+4)
75; THUMB2: .long Ltmp0
76