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=thumb-eabi -mattr=+v7 -mattr=+mp %s -o - | FileCheck %s -check-prefix=THUMB2-MP 4; RUN: llc -mtriple=arm-eabi -mattr=+v7 %s -o - | FileCheck %s -check-prefix=ARM 5; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a9 %s -o - | FileCheck %s -check-prefix=ARM-MP 6; rdar://8601536 7 8; CHECK-T1-NOT: pld 9 10define void @t1(ptr %ptr) nounwind { 11entry: 12; ARM-LABEL: t1: 13; ARM-NOT: pldw [r0] 14; ARM: pld [r0] 15 16; ARM-MP-LABEL: t1: 17; ARM-MP: pldw [r0] 18; ARM-MP: pld [r0] 19 20; THUMB2-LABEL: t1: 21; THUMB2-NOT: pldw [r0] 22; THUMB2: pld [r0] 23 tail call void @llvm.prefetch( ptr %ptr, i32 1, i32 3, i32 1 ) 24 tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 3, i32 1 ) 25 ret void 26} 27 28define void @t2(ptr %ptr) nounwind { 29entry: 30; ARM-LABEL: t2: 31; ARM: pld [r0, #1023] 32 33; THUMB2-LABEL: t2: 34; THUMB2: pld [r0, #1023] 35 %tmp = getelementptr i8, ptr %ptr, i32 1023 36 tail call void @llvm.prefetch( ptr %tmp, i32 0, i32 3, i32 1 ) 37 ret void 38} 39 40define void @t3(i32 %base, i32 %offset) nounwind { 41entry: 42; ARM-LABEL: t3: 43; ARM: pld [r0, r1, lsr #2] 44 45; THUMB2-LABEL: t3: 46; THUMB2: lsrs r1, r1, #2 47; THUMB2: pld [r0, r1] 48 %tmp1 = lshr i32 %offset, 2 49 %tmp2 = add i32 %base, %tmp1 50 %tmp3 = inttoptr i32 %tmp2 to ptr 51 tail call void @llvm.prefetch( ptr %tmp3, i32 0, i32 3, i32 1 ) 52 ret void 53} 54 55define void @t4(i32 %base, i32 %offset) nounwind { 56entry: 57; ARM-LABEL: t4: 58; ARM: pld [r0, r1, lsl #2] 59 60; THUMB2-LABEL: t4: 61; THUMB2: pld [r0, r1, lsl #2] 62 %tmp1 = shl i32 %offset, 2 63 %tmp2 = add i32 %base, %tmp1 64 %tmp3 = inttoptr i32 %tmp2 to ptr 65 tail call void @llvm.prefetch( ptr %tmp3, i32 0, i32 3, i32 1 ) 66 ret void 67} 68 69declare void @llvm.prefetch(ptr, i32, i32, i32) nounwind 70 71define void @t5(ptr %ptr) nounwind { 72entry: 73; ARM-LABEL: t5: 74; ARM: pli [r0] 75 76; THUMB2-LABEL: t5: 77; THUMB2: pli [r0] 78 tail call void @llvm.prefetch( ptr %ptr, i32 0, i32 3, i32 0 ) 79 ret void 80} 81 82define void @t6() { 83entry: 84;ARM-LABEL: t6: 85;ARM: pld [sp] 86;ARM: pld [sp, #50] 87;ARM: pld [sp, #-50] 88 89;THUMB2-LABEL: t6: 90;THUMB2: pld [sp] 91;THUMB2: pld [sp, #50] 92;THUMB2: pld [sp, #-50] 93 94%red = alloca [100 x i8], align 1 95%0 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 50 96%1 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 -50 97call void @llvm.prefetch(ptr %red, i32 0, i32 3, i32 1) 98call void @llvm.prefetch(ptr %0, i32 0, i32 3, i32 1) 99call void @llvm.prefetch(ptr %1, i32 0, i32 3, i32 1) 100ret void 101} 102 103define void @t7() { 104entry: 105;ARM-LABEL: t7: 106;ARM-MP: pldw [sp] 107;ARM-MP: pldw [sp, #50] 108;ARM-MP: pldw [sp, #-50] 109 110;THUMB2-MP-LABEL: t7: 111;THUMB2-MP: pldw [sp] 112;THUMB2-MP: pldw [sp, #50] 113;THUMB2-MP: pldw [sp, #-50] 114 115%red = alloca [100 x i8], align 1 116%0 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 50 117%1 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 -50 118call void @llvm.prefetch(ptr %red, i32 1, i32 3, i32 1) 119call void @llvm.prefetch(ptr %0, i32 1, i32 3, i32 1) 120call void @llvm.prefetch(ptr %1, i32 1, i32 3, i32 1) 121ret void 122} 123 124define void @t8() { 125entry: 126;ARM-LABEL: t8: 127;ARM: pli [sp] 128;ARM: pli [sp, #50] 129;ARM: pli [sp, #-50] 130 131;THUMB2-LABEL: t8: 132;THUMB2: pli [sp] 133;THUMB2: pli [sp, #50] 134;THUMB2: pli [sp, #-50] 135 136%red = alloca [100 x i8], align 1 137%0 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 50 138%1 = getelementptr inbounds [100 x i8], ptr %red, i32 0, i32 -50 139call void @llvm.prefetch(ptr %red, i32 0, i32 3, i32 0) 140call void @llvm.prefetch(ptr %0, i32 0, i32 3, i32 0) 141call void @llvm.prefetch(ptr %1, i32 0, i32 3, i32 0) 142ret void 143} 144