1 ; RUN: llc < %s -march=thumb -mattr=-thumb2 | not grep pld
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
6 define void @t1(i8* %ptr) nounwind {
13 ; THUMB2-NOT: pldw [r0]
15 tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3 )
16 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3 )
20 define void @t2(i8* %ptr) nounwind {
23 ; ARM-MP: pld [r0, #1023]
26 ; THUMB2: pld [r0, #1023]
27 %tmp = getelementptr i8* %ptr, i32 1023
28 tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3 )
32 define void @t3(i32 %base, i32 %offset) nounwind {
35 ; ARM-MP: pld [r0, r1, lsr #2]
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 )
47 define void @t4(i32 %base, i32 %offset) nounwind {
50 ; ARM-MP: pld [r0, r1, lsl #2]
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 )
61 declare void @llvm.prefetch(i8*, i32, i32) nounwind