blob: 25a0f936544e1508a7440973d4187d939f703c5a [file] [log] [blame]
Evan Cheng39dfb0f2011-07-07 03:55:05 +00001; 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
Bob Wilson8a008cc2009-11-05 00:30:35 +00003; RUN: llc < %s -relocation-model=static -mtriple=thumbv7-apple-darwin | FileCheck %s -check-prefix=THUMB2
Bob Wilson0d48d612009-11-04 19:25:34 +00004
5@nextaddr = global i8* null ; <i8**> [#uses=2]
6@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]
7
Rafael Espindola1e819662010-06-17 15:18:27 +00008define internal i32 @foo(i32 %i) nounwind {
Bob Wilson0d48d612009-11-04 19:25:34 +00009; ARM: foo:
10; THUMB: foo:
11; THUMB2: foo:
12entry:
13 %0 = load i8** @nextaddr, align 4 ; <i8*> [#uses=2]
14 %1 = icmp eq i8* %0, null ; <i1> [#uses=1]
Bob Wilson516ab962010-01-16 00:29:50 +000015; indirect branch gets duplicated here
16; ARM: bx
Jakob Stoklund Olesenca6fd002011-03-31 22:14:03 +000017; THUMB: mov pc,
18; THUMB2: mov pc,
Bob Wilson0d48d612009-11-04 19:25:34 +000019 br i1 %1, label %bb3, label %bb2
20
21bb2: ; preds = %entry, %bb3
22 %gotovar.4.0 = phi i8* [ %gotovar.4.0.pre, %bb3 ], [ %0, %entry ] ; <i8*> [#uses=1]
23; ARM: bx
Jakob Stoklund Olesenca6fd002011-03-31 22:14:03 +000024; THUMB: mov pc,
25; THUMB2: mov pc,
Bob Wilson0d48d612009-11-04 19:25:34 +000026 indirectbr i8* %gotovar.4.0, [label %L5, label %L4, label %L3, label %L2, label %L1]
27
28bb3: ; preds = %entry
29 %2 = getelementptr inbounds [5 x i8*]* @C.0.2070, i32 0, i32 %i ; <i8**> [#uses=1]
30 %gotovar.4.0.pre = load i8** %2, align 4 ; <i8*> [#uses=1]
31 br label %bb2
32
33L5: ; preds = %bb2
34 br label %L4
35
36L4: ; preds = %L5, %bb2
37 %res.0 = phi i32 [ 385, %L5 ], [ 35, %bb2 ] ; <i32> [#uses=1]
38 br label %L3
39
40L3: ; preds = %L4, %bb2
41 %res.1 = phi i32 [ %res.0, %L4 ], [ 5, %bb2 ] ; <i32> [#uses=1]
42 br label %L2
43
44L2: ; preds = %L3, %bb2
Jakob Stoklund Olesend5b679c2011-04-30 01:37:52 +000045; THUMB: muls
Bob Wilson0d48d612009-11-04 19:25:34 +000046 %res.2 = phi i32 [ %res.1, %L3 ], [ 1, %bb2 ] ; <i32> [#uses=1]
47 %phitmp = mul i32 %res.2, 6 ; <i32> [#uses=1]
48 br label %L1
49
50L1: ; preds = %L2, %bb2
51 %res.3 = phi i32 [ %phitmp, %L2 ], [ 2, %bb2 ] ; <i32> [#uses=1]
Jakob Stoklund Olesend5b679c2011-04-30 01:37:52 +000052; ARM: ldr [[R1:r[0-9]+]], LCPI
53; ARM: add [[R1b:r[0-9]+]], pc, [[R1]]
54; ARM: str [[R1b]]
55; THUMB: ldr.n
56; THUMB: add
57; THUMB: ldr.n [[R2:r[0-9]+]], LCPI
58; THUMB: add [[R2]], pc
59; THUMB: str [[R2]]
60; THUMB2: ldr.n [[R2:r[0-9]+]], LCPI
61; THUMB2-NEXT: str{{(.w)?}} [[R2]]
Bob Wilson0d48d612009-11-04 19:25:34 +000062 store i8* blockaddress(@foo, %L5), i8** @nextaddr, align 4
63 ret i32 %res.3
64}
Chris Lattner3b9d6212010-03-14 17:53:23 +000065; ARM: .long Ltmp0-(LPC{{.*}}+8)
66; THUMB: .long Ltmp0-(LPC{{.*}}+4)
67; THUMB2: .long Ltmp0