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gerrit-public.fairphone.software / toolchain / llvm-project / 01e5037fece0aed1cfb47ff7c604df29524e461d / . / llvm / test / CodeGen / ARM / prefetch.ll
blob: 5badb3114814625238faaabb40064a1709f772d3 [file] [log] [blame]
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]1; RUN: llc < %s -march=thumb -mattr=-thumb2 | not grep pld
Evan Cheng8b2bda02011-07-07 03:55:05 +0000[diff] [blame]2; 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 Wilsond04a83f2011-04-19 18:11:52 +0000[diff] [blame]4; RUN: llc < %s -march=arm -mcpu=cortex-a9-mp | FileCheck %s -check-prefix=ARM-MP
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]5; rdar://8601536
6
7define void @t1(i8* %ptr) nounwind {
8entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]9; ARM-LABEL: t1:
Bob Wilsond04a83f2011-04-19 18:11:52 +0000[diff] [blame]10; ARM-NOT: pldw [r0]
11; ARM: pld [r0]
12
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]13; ARM-MP-LABEL: t1:
Evan Cheng21acf9f2010-11-04 05:19:35 +0000[diff] [blame]14; ARM-MP: pldw [r0]
15; ARM-MP: pld [r0]
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]16
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]17; THUMB2-LABEL: t1:
Evan Cheng21acf9f2010-11-04 05:19:35 +0000[diff] [blame]18; THUMB2-NOT: pldw [r0]
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]19; THUMB2: pld [r0]
Bruno Cardoso Lopesdc9ff3a2011-06-14 04:58:37 +0000[diff] [blame]20 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 Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]22 ret void
23}
24
25define void @t2(i8* %ptr) nounwind {
26entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]27; ARM-LABEL: t2:
Bob Wilsond04a83f2011-04-19 18:11:52 +0000[diff] [blame]28; ARM: pld [r0, #1023]
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]29
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]30; THUMB2-LABEL: t2:
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]31; THUMB2: pld [r0, #1023]
32 %tmp = getelementptr i8* %ptr, i32 1023
Bruno Cardoso Lopesdc9ff3a2011-06-14 04:58:37 +0000[diff] [blame]33 tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3, i32 1 )
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]34 ret void
35}
36
37define void @t3(i32 %base, i32 %offset) nounwind {
38entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]39; ARM-LABEL: t3:
Bob Wilsond04a83f2011-04-19 18:11:52 +0000[diff] [blame]40; ARM: pld [r0, r1, lsr #2]
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]41
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]42; THUMB2-LABEL: t3:
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]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 Lopesdc9ff3a2011-06-14 04:58:37 +0000[diff] [blame]48 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 )
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]49 ret void
50}
51
52define void @t4(i32 %base, i32 %offset) nounwind {
53entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]54; ARM-LABEL: t4:
Bob Wilsond04a83f2011-04-19 18:11:52 +0000[diff] [blame]55; ARM: pld [r0, r1, lsl #2]
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]56
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]57; THUMB2-LABEL: t4:
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]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 Lopesdc9ff3a2011-06-14 04:58:37 +0000[diff] [blame]62 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 )
Evan Cheng6f360422010-11-03 05:14:24 +0000[diff] [blame]63 ret void
64}
65
Bruno Cardoso Lopesdc9ff3a2011-06-14 04:58:37 +0000[diff] [blame]66declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind
Bruno Cardoso Lopes29386fb2011-06-14 05:11:46 +0000[diff] [blame]67
68define void @t5(i8* %ptr) nounwind {
69entry:
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]70; ARM-LABEL: t5:
Bruno Cardoso Lopes29386fb2011-06-14 05:11:46 +0000[diff] [blame]71; ARM: pli [r0]
72
Stephen Lind24ab202013-07-14 06:24:09 +0000[diff] [blame]73; THUMB2-LABEL: t5:
Bruno Cardoso Lopes29386fb2011-06-14 05:11:46 +0000[diff] [blame]74; THUMB2: pli [r0]
75 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 0 )
76 ret void
77}