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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / 416941d50fec5ebdc4ae3b113a0db1320c3b2a87 / . / test / CodeGen / ARM / prefetch.ll
blob: 895b27b749db2353efc770d3f1038d745f35821b [file] [log] [blame]
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]1; RUN: llc < %s -march=thumb -mattr=-thumb2 | not grep pld
Evan Cheng416941d2010-11-04 05:19:35 +0000[diff] [blame^]2; RUN: llc < %s -march=thumb -mattr=+v7a | FileCheck %s -check-prefix=THUMB2
3; RUN: llc < %s -march=arm -mattr=+v7a,+mp | FileCheck %s -check-prefix=ARM-MP
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]4; rdar://8601536
5
6define void @t1(i8* %ptr) nounwind {
7entry:
Evan Cheng416941d2010-11-04 05:19:35 +0000[diff] [blame^]8; ARM-MP: t1:
9; ARM-MP: pldw [r0]
10; ARM-MP: pld [r0]
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]11
12; THUMB2: t1:
Evan Cheng416941d2010-11-04 05:19:35 +0000[diff] [blame^]13; THUMB2-NOT: pldw [r0]
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]14; THUMB2: pld [r0]
Evan Cheng416941d2010-11-04 05:19:35 +0000[diff] [blame^]15 tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3 )
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]16 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3 )
17 ret void
18}
19
20define void @t2(i8* %ptr) nounwind {
21entry:
Evan Cheng416941d2010-11-04 05:19:35 +0000[diff] [blame^]22; ARM-MP: t2:
23; ARM-MP: pld [r0, #1023]
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]24
25; THUMB2: t2:
26; THUMB2: pld [r0, #1023]
27 %tmp = getelementptr i8* %ptr, i32 1023
28 tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3 )
29 ret void
30}
31
32define void @t3(i32 %base, i32 %offset) nounwind {
33entry:
Evan Cheng416941d2010-11-04 05:19:35 +0000[diff] [blame^]34; ARM-MP: t3:
35; ARM-MP: pld [r0, r1, lsr #2]
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]36
37; THUMB2: t3:
38; THUMB2: lsrs r1, r1, #2
39; THUMB2: pld [r0, r1]
40 %tmp1 = lshr i32 %offset, 2
41 %tmp2 = add i32 %base, %tmp1
42 %tmp3 = inttoptr i32 %tmp2 to i8*
43 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 )
44 ret void
45}
46
47define void @t4(i32 %base, i32 %offset) nounwind {
48entry:
Evan Cheng416941d2010-11-04 05:19:35 +0000[diff] [blame^]49; ARM-MP: t4:
50; ARM-MP: pld [r0, r1, lsl #2]
Evan Chengbc7deb02010-11-03 05:14:24 +0000[diff] [blame]51
52; THUMB2: t4:
53; THUMB2: pld [r0, r1, lsl #2]
54 %tmp1 = shl i32 %offset, 2
55 %tmp2 = add i32 %base, %tmp1
56 %tmp3 = inttoptr i32 %tmp2 to i8*
57 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 )
58 ret void
59}
60
61declare void @llvm.prefetch(i8*, i32, i32) nounwind