blob: 9c8ff2b409620da5705b50aa185442199fa499bf [file] [log] [blame]
Evan Chengbc7deb02010-11-03 05:14:24 +00001; RUN: llc < %s -march=thumb -mattr=-thumb2 | not grep pld
Evan Cheng39dfb0f2011-07-07 03:55:05 +00002; RUN: llc < %s -march=thumb -mattr=+v7 | FileCheck %s -check-prefix=THUMB2
3; RUN: llc < %s -march=arm -mattr=+v7 | FileCheck %s -check-prefix=ARM
Bob Wilsoncd704962011-04-19 18:11:52 +00004; RUN: llc < %s -march=arm -mcpu=cortex-a9-mp | FileCheck %s -check-prefix=ARM-MP
Evan Chengbc7deb02010-11-03 05:14:24 +00005; rdar://8601536
6
7define void @t1(i8* %ptr) nounwind {
8entry:
Bob Wilsoncd704962011-04-19 18:11:52 +00009; ARM: t1:
10; ARM-NOT: pldw [r0]
11; ARM: pld [r0]
12
Evan Cheng416941d2010-11-04 05:19:35 +000013; ARM-MP: t1:
14; ARM-MP: pldw [r0]
15; ARM-MP: pld [r0]
Evan Chengbc7deb02010-11-03 05:14:24 +000016
17; THUMB2: t1:
Evan Cheng416941d2010-11-04 05:19:35 +000018; THUMB2-NOT: pldw [r0]
Evan Chengbc7deb02010-11-03 05:14:24 +000019; THUMB2: pld [r0]
Bruno Cardoso Lopes9a767332011-06-14 04:58:37 +000020 tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3, i32 1 )
21 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 1 )
Evan Chengbc7deb02010-11-03 05:14:24 +000022 ret void
23}
24
25define void @t2(i8* %ptr) nounwind {
26entry:
Bob Wilsoncd704962011-04-19 18:11:52 +000027; ARM: t2:
28; ARM: pld [r0, #1023]
Evan Chengbc7deb02010-11-03 05:14:24 +000029
30; THUMB2: t2:
31; THUMB2: pld [r0, #1023]
32 %tmp = getelementptr i8* %ptr, i32 1023
Bruno Cardoso Lopes9a767332011-06-14 04:58:37 +000033 tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3, i32 1 )
Evan Chengbc7deb02010-11-03 05:14:24 +000034 ret void
35}
36
37define void @t3(i32 %base, i32 %offset) nounwind {
38entry:
Bob Wilsoncd704962011-04-19 18:11:52 +000039; ARM: t3:
40; ARM: pld [r0, r1, lsr #2]
Evan Chengbc7deb02010-11-03 05:14:24 +000041
42; THUMB2: t3:
43; THUMB2: lsrs r1, r1, #2
44; THUMB2: pld [r0, r1]
45 %tmp1 = lshr i32 %offset, 2
46 %tmp2 = add i32 %base, %tmp1
47 %tmp3 = inttoptr i32 %tmp2 to i8*
Bruno Cardoso Lopes9a767332011-06-14 04:58:37 +000048 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 )
Evan Chengbc7deb02010-11-03 05:14:24 +000049 ret void
50}
51
52define void @t4(i32 %base, i32 %offset) nounwind {
53entry:
Bob Wilsoncd704962011-04-19 18:11:52 +000054; ARM: t4:
55; ARM: pld [r0, r1, lsl #2]
Evan Chengbc7deb02010-11-03 05:14:24 +000056
57; THUMB2: t4:
58; THUMB2: pld [r0, r1, lsl #2]
59 %tmp1 = shl i32 %offset, 2
60 %tmp2 = add i32 %base, %tmp1
61 %tmp3 = inttoptr i32 %tmp2 to i8*
Bruno Cardoso Lopes9a767332011-06-14 04:58:37 +000062 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 )
Evan Chengbc7deb02010-11-03 05:14:24 +000063 ret void
64}
65
Bruno Cardoso Lopes9a767332011-06-14 04:58:37 +000066declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind
Bruno Cardoso Lopes79abd1c2011-06-14 05:11:46 +000067
68define void @t5(i8* %ptr) nounwind {
69entry:
70; ARM: t5:
71; ARM: pli [r0]
72
73; THUMB2: t5:
74; THUMB2: pli [r0]
75 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 0 )
76 ret void
77}