1 ; RUN: llc -mtriple=thumb-eabi -mattr=-thumb2 %s -o - | FileCheck %s -check-prefix CHECK-T1 2 ; RUN: llc -mtriple=thumb-eabi -mattr=+v7 %s -o - | FileCheck %s -check-prefix=THUMB2 3 ; RUN: llc -mtriple=arm-eabi -mattr=+v7 %s -o - | FileCheck %s -check-prefix=ARM 4 ; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a9-mp %s -o - | FileCheck %s -check-prefix=ARM-MP 5 ; rdar://8601536 6 7 ; CHECK-T1-NOT: pld 8 9 define void @t1(i8* %ptr) nounwind { 10 entry: 11 ; ARM-LABEL: t1: 12 ; ARM-NOT: pldw [r0] 13 ; ARM: pld [r0] 14 15 ; ARM-MP-LABEL: t1: 16 ; ARM-MP: pldw [r0] 17 ; ARM-MP: pld [r0] 18 19 ; THUMB2-LABEL: t1: 20 ; THUMB2-NOT: pldw [r0] 21 ; THUMB2: pld [r0] 22 tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3, i32 1 ) 23 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 1 ) 24 ret void 25 } 26 27 define void @t2(i8* %ptr) nounwind { 28 entry: 29 ; ARM-LABEL: t2: 30 ; ARM: pld [r0, #1023] 31 32 ; THUMB2-LABEL: t2: 33 ; THUMB2: pld [r0, #1023] 34 %tmp = getelementptr i8* %ptr, i32 1023 35 tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3, i32 1 ) 36 ret void 37 } 38 39 define void @t3(i32 %base, i32 %offset) nounwind { 40 entry: 41 ; ARM-LABEL: t3: 42 ; ARM: pld [r0, r1, lsr #2] 43 44 ; THUMB2-LABEL: t3: 45 ; THUMB2: lsrs r1, r1, #2 46 ; THUMB2: pld [r0, r1] 47 %tmp1 = lshr i32 %offset, 2 48 %tmp2 = add i32 %base, %tmp1 49 %tmp3 = inttoptr i32 %tmp2 to i8* 50 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 ) 51 ret void 52 } 53 54 define void @t4(i32 %base, i32 %offset) nounwind { 55 entry: 56 ; ARM-LABEL: t4: 57 ; ARM: pld [r0, r1, lsl #2] 58 59 ; THUMB2-LABEL: t4: 60 ; THUMB2: pld [r0, r1, lsl #2] 61 %tmp1 = shl i32 %offset, 2 62 %tmp2 = add i32 %base, %tmp1 63 %tmp3 = inttoptr i32 %tmp2 to i8* 64 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3, i32 1 ) 65 ret void 66 } 67 68 declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind 69 70 define void @t5(i8* %ptr) nounwind { 71 entry: 72 ; ARM-LABEL: t5: 73 ; ARM: pli [r0] 74 75 ; THUMB2-LABEL: t5: 76 ; THUMB2: pli [r0] 77 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 0 ) 78 ret void 79 } 80 81 define void @t6() { 82 entry: 83 ;ARM-LABEL: t6: 84 ;ARM: pld [sp] 85 ;ARM: pld [sp, #50] 86 87 ;THUMB2-LABEL: t6: 88 ;THUMB2: pld [sp] 89 ;THUMB2: pld [sp, #50] 90 91 %red = alloca [100 x i8], align 1 92 %0 = getelementptr inbounds [100 x i8]* %red, i32 0, i32 0 93 %1 = getelementptr inbounds [100 x i8]* %red, i32 0, i32 50 94 call void @llvm.prefetch(i8* %0, i32 0, i32 3, i32 1) 95 call void @llvm.prefetch(i8* %1, i32 0, i32 3, i32 1) 96 ret void 97 } 98
