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 %s -o - | FileCheck %s -check-prefix=ARM-MP 5; rdar://8601536 6 7; CHECK-T1-NOT: pld 8 9define void @t1(i8* %ptr) nounwind { 10entry: 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 27define void @t2(i8* %ptr) nounwind { 28entry: 29; ARM-LABEL: t2: 30; ARM: pld [r0, #1023] 31 32; THUMB2-LABEL: t2: 33; THUMB2: pld [r0, #1023] 34 %tmp = getelementptr i8, i8* %ptr, i32 1023 35 tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3, i32 1 ) 36 ret void 37} 38 39define void @t3(i32 %base, i32 %offset) nounwind { 40entry: 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 54define void @t4(i32 %base, i32 %offset) nounwind { 55entry: 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 68declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind 69 70define void @t5(i8* %ptr) nounwind { 71entry: 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 81define void @t6() { 82entry: 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], [100 x i8]* %red, i32 0, i32 0 93%1 = getelementptr inbounds [100 x i8], [100 x i8]* %red, i32 0, i32 50 94call void @llvm.prefetch(i8* %0, i32 0, i32 3, i32 1) 95call void @llvm.prefetch(i8* %1, i32 0, i32 3, i32 1) 96ret void 97} 98