1 ; RUN: llc < %s -mtriple=armv7-apple-darwin -mattr=+v7,+mp -show-mc-encoding | FileCheck %s -check-prefix=ARM 2 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mattr=+v7 -show-mc-encoding | FileCheck %s -check-prefix=T2 3 ; rdar://8924681 4 5 define void @t1(i8* %ptr) nounwind { 6 entry: 7 ; ARM: t1: 8 ; ARM: pldw [r0] @ encoding: [0x00,0xf0,0x90,0xf5] 9 ; ARM: pld [r0] @ encoding: [0x00,0xf0,0xd0,0xf5] 10 11 ; T2: t1: 12 ; T2: pld [r0] @ encoding: [0x90,0xf8,0x00,0xf0] 13 tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3 ) 14 tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3 ) 15 ret void 16 } 17 18 define void @t2(i8* %ptr) nounwind { 19 entry: 20 ; ARM: t2: 21 ; ARM: pld [r0, #1023] @ encoding: [0xff,0xf3,0xd0,0xf5] 22 23 ; T2: t2: 24 ; T2: pld [r0, #1023] @ encoding: [0x90,0xf8,0xff,0xf3] 25 %tmp = getelementptr i8* %ptr, i32 1023 26 tail call void @llvm.prefetch( i8* %tmp, i32 0, i32 3 ) 27 ret void 28 } 29 30 define void @t3(i32 %base, i32 %offset) nounwind { 31 entry: 32 ; ARM: t3: 33 ; ARM: pld [r0, r1, lsr #2] @ encoding: [0x21,0xf1,0xd0,0xf7] 34 35 ; T2: t3: 36 ; T2: pld [r0, r1] @ encoding: [0x10,0xf8,0x01,0xf0] 37 %tmp1 = lshr i32 %offset, 2 38 %tmp2 = add i32 %base, %tmp1 39 %tmp3 = inttoptr i32 %tmp2 to i8* 40 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 ) 41 ret void 42 } 43 44 define void @t4(i32 %base, i32 %offset) nounwind { 45 entry: 46 ; ARM: t4: 47 ; ARM: pld [r0, r1, lsl #2] @ encoding: [0x01,0xf1,0xd0,0xf7] 48 49 ; T2: t4: 50 ; T2: pld [r0, r1, lsl #2] @ encoding: [0x10,0xf8,0x21,0xf0] 51 %tmp1 = shl i32 %offset, 2 52 %tmp2 = add i32 %base, %tmp1 53 %tmp3 = inttoptr i32 %tmp2 to i8* 54 tail call void @llvm.prefetch( i8* %tmp3, i32 0, i32 3 ) 55 ret void 56 } 57 58 declare void @llvm.prefetch(i8*, i32, i32) nounwind 59
