1 ; RUN: opt < %s -cost-model -analyze -mtriple=thumbv7-apple-ios6.0.0 -march=arm -mcpu=cortex-a8 | FileCheck %s --check-prefix=COST 2 ; RUN: llc -mtriple=arm-eabi -mattr=+neon %s -o - | FileCheck %s 3 ; Make sure that ARM backend with NEON handles vselect. 4 5 define void @vmax_v4i32(<4 x i32>* %m, <4 x i32> %a, <4 x i32> %b) { 6 ; CHECK: vcgt.s32 [[QR:q[0-9]+]], [[Q1:q[0-9]+]], [[Q2:q[0-9]+]] 7 ; CHECK: vbsl [[QR]], [[Q1]], [[Q2]] 8 %cmpres = icmp sgt <4 x i32> %a, %b 9 %maxres = select <4 x i1> %cmpres, <4 x i32> %a, <4 x i32> %b 10 store <4 x i32> %maxres, <4 x i32>* %m 11 ret void 12 } 13 14 ; We adjusted the cost model of the following selects. When we improve code 15 ; lowering we also need to adjust the cost. 16 %T0_10 = type <16 x i16> 17 %T1_10 = type <16 x i1> 18 ; CHECK-LABEL: func_blend10: 19 define void @func_blend10(%T0_10* %loadaddr, %T0_10* %loadaddr2, 20 %T1_10* %blend, %T0_10* %storeaddr) { 21 %v0 = load %T0_10* %loadaddr 22 %v1 = load %T0_10* %loadaddr2 23 %c = icmp slt %T0_10 %v0, %v1 24 ; CHECK: vbsl 25 ; CHECK: vbsl 26 ; COST: func_blend10 27 ; COST: cost of 40 {{.*}} select 28 %r = select %T1_10 %c, %T0_10 %v0, %T0_10 %v1 29 store %T0_10 %r, %T0_10* %storeaddr 30 ret void 31 } 32 %T0_14 = type <8 x i32> 33 %T1_14 = type <8 x i1> 34 ; CHECK-LABEL: func_blend14: 35 define void @func_blend14(%T0_14* %loadaddr, %T0_14* %loadaddr2, 36 %T1_14* %blend, %T0_14* %storeaddr) { 37 %v0 = load %T0_14* %loadaddr 38 %v1 = load %T0_14* %loadaddr2 39 %c = icmp slt %T0_14 %v0, %v1 40 ; CHECK: vbsl 41 ; CHECK: vbsl 42 ; COST: func_blend14 43 ; COST: cost of 41 {{.*}} select 44 %r = select %T1_14 %c, %T0_14 %v0, %T0_14 %v1 45 store %T0_14 %r, %T0_14* %storeaddr 46 ret void 47 } 48 %T0_15 = type <16 x i32> 49 %T1_15 = type <16 x i1> 50 ; CHECK-LABEL: func_blend15: 51 define void @func_blend15(%T0_15* %loadaddr, %T0_15* %loadaddr2, 52 %T1_15* %blend, %T0_15* %storeaddr) { 53 ; CHECK: vbsl 54 ; CHECK: vbsl 55 %v0 = load %T0_15* %loadaddr 56 %v1 = load %T0_15* %loadaddr2 57 %c = icmp slt %T0_15 %v0, %v1 58 ; COST: func_blend15 59 ; COST: cost of 82 {{.*}} select 60 %r = select %T1_15 %c, %T0_15 %v0, %T0_15 %v1 61 store %T0_15 %r, %T0_15* %storeaddr 62 ret void 63 } 64 %T0_18 = type <4 x i64> 65 %T1_18 = type <4 x i1> 66 ; CHECK-LABEL: func_blend18: 67 define void @func_blend18(%T0_18* %loadaddr, %T0_18* %loadaddr2, 68 %T1_18* %blend, %T0_18* %storeaddr) { 69 ; CHECK: vbsl 70 ; CHECK: vbsl 71 %v0 = load %T0_18* %loadaddr 72 %v1 = load %T0_18* %loadaddr2 73 %c = icmp slt %T0_18 %v0, %v1 74 ; COST: func_blend18 75 ; COST: cost of 19 {{.*}} select 76 %r = select %T1_18 %c, %T0_18 %v0, %T0_18 %v1 77 store %T0_18 %r, %T0_18* %storeaddr 78 ret void 79 } 80 %T0_19 = type <8 x i64> 81 %T1_19 = type <8 x i1> 82 ; CHECK-LABEL: func_blend19: 83 define void @func_blend19(%T0_19* %loadaddr, %T0_19* %loadaddr2, 84 %T1_19* %blend, %T0_19* %storeaddr) { 85 ; CHECK: vbsl 86 ; CHECK: vbsl 87 ; CHECK: vbsl 88 ; CHECK: vbsl 89 %v0 = load %T0_19* %loadaddr 90 %v1 = load %T0_19* %loadaddr2 91 %c = icmp slt %T0_19 %v0, %v1 92 ; COST: func_blend19 93 ; COST: cost of 50 {{.*}} select 94 %r = select %T1_19 %c, %T0_19 %v0, %T0_19 %v1 95 store %T0_19 %r, %T0_19* %storeaddr 96 ret void 97 } 98 %T0_20 = type <16 x i64> 99 %T1_20 = type <16 x i1> 100 ; CHECK-LABEL: func_blend20: 101 define void @func_blend20(%T0_20* %loadaddr, %T0_20* %loadaddr2, 102 %T1_20* %blend, %T0_20* %storeaddr) { 103 ; CHECK: vbsl 104 ; CHECK: vbsl 105 ; CHECK: vbsl 106 ; CHECK: vbsl 107 ; CHECK: vbsl 108 ; CHECK: vbsl 109 ; CHECK: vbsl 110 ; CHECK: vbsl 111 %v0 = load %T0_20* %loadaddr 112 %v1 = load %T0_20* %loadaddr2 113 %c = icmp slt %T0_20 %v0, %v1 114 ; COST: func_blend20 115 ; COST: cost of 100 {{.*}} select 116 %r = select %T1_20 %c, %T0_20 %v0, %T0_20 %v1 117 store %T0_20 %r, %T0_20* %storeaddr 118 ret void 119 } 120
