| Evan Cheng | bc7deb0 | 2010-11-03 05:14:24 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=thumb -mattr=-thumb2 | not grep pld |
| Evan Cheng | dfed19f | 2010-11-03 06:34:55 +0000 | [diff] [blame] | 2 | ; RUN: llc < %s -march=thumb -mattr=+v7a,+mp | FileCheck %s -check-prefix=THUMB2 |
| 3 | ; RUN: llc < %s -march=arm -mattr=+v7a,+mp | FileCheck %s -check-prefix=ARM |
| Evan Cheng | bc7deb0 | 2010-11-03 05:14:24 +0000 | [diff] [blame] | 4 | ; rdar://8601536 |
| 5 | |
| 6 | define void @t1(i8* %ptr) nounwind { |
| 7 | entry: |
| 8 | ; ARM: t1: |
| 9 | ; ARM: pli [r0] |
| 10 | ; ARM: pldw [r0] |
| 11 | ; ARM: pld [r0] |
| 12 | |
| 13 | ; THUMB2: t1: |
| 14 | ; THUMB2: pli [r0] |
| 15 | ; THUMB2: pldw [r0] |
| 16 | ; THUMB2: pld [r0] |
| 17 | tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 1 ) |
| 18 | tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 2 ) |
| 19 | tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3 ) |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | define void @t2(i8* %ptr) nounwind { |
| 24 | entry: |
| 25 | ; ARM: t2: |
| 26 | ; ARM: pld [r0, #1023] |
| 27 | |
| 28 | ; THUMB2: t2: |
| 29 | ; THUMB2: pld [r0, #1023] |
| 30 | %tmp = getelementptr i8* %ptr, i32 1023 |
| 31 | tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3 ) |
| 32 | ret void |
| 33 | } |
| 34 | |
| 35 | define void @t3(i32 %base, i32 %offset) nounwind { |
| 36 | entry: |
| 37 | ; ARM: t3: |
| 38 | ; ARM: pld [r0, r1, lsr #2] |
| 39 | |
| 40 | ; THUMB2: t3: |
| 41 | ; THUMB2: lsrs r1, r1, #2 |
| 42 | ; THUMB2: pld [r0, r1] |
| 43 | %tmp1 = lshr i32 %offset, 2 |
| 44 | %tmp2 = add i32 %base, %tmp1 |
| 45 | %tmp3 = inttoptr i32 %tmp2 to i8* |
| 46 | tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 ) |
| 47 | ret void |
| 48 | } |
| 49 | |
| 50 | define void @t4(i32 %base, i32 %offset) nounwind { |
| 51 | entry: |
| 52 | ; ARM: t4: |
| 53 | ; ARM: pld [r0, r1, lsl #2] |
| 54 | |
| 55 | ; THUMB2: t4: |
| 56 | ; THUMB2: pld [r0, r1, lsl #2] |
| 57 | %tmp1 = shl i32 %offset, 2 |
| 58 | %tmp2 = add i32 %base, %tmp1 |
| 59 | %tmp3 = inttoptr i32 %tmp2 to i8* |
| 60 | tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 ) |
| 61 | ret void |
| 62 | } |
| 63 | |
| 64 | declare void @llvm.prefetch(i8*, i32, i32) nounwind |