1 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=pentium4 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=SSE2 2 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=SSE42 3 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7-avx -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX 4 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=core-avx2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX2 5 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=XOP -check-prefix=XOPAVX 6 ; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver4 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=XOP -check-prefix=XOPAVX2 7 8 ; Verify the cost of scalar bitreverse instructions. 9 10 declare i64 @llvm.bitreverse.i64(i64) 11 declare i32 @llvm.bitreverse.i32(i32) 12 declare i16 @llvm.bitreverse.i16(i16) 13 declare i8 @llvm.bitreverse.i8(i8) 14 15 define i64 @var_bitreverse_i64(i64 %a) { 16 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_i64': 17 ; SSE2: Found an estimated cost of 1 for instruction: %bitreverse 18 ; SSE42: Found an estimated cost of 1 for instruction: %bitreverse 19 ; AVX: Found an estimated cost of 1 for instruction: %bitreverse 20 ; AVX2: Found an estimated cost of 1 for instruction: %bitreverse 21 ; XOP: Found an estimated cost of 3 for instruction: %bitreverse 22 %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a) 23 ret i64 %bitreverse 24 } 25 26 define i32 @var_bitreverse_i32(i32 %a) { 27 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_i32': 28 ; SSE2: Found an estimated cost of 1 for instruction: %bitreverse 29 ; SSE42: Found an estimated cost of 1 for instruction: %bitreverse 30 ; AVX: Found an estimated cost of 1 for instruction: %bitreverse 31 ; AVX2: Found an estimated cost of 1 for instruction: %bitreverse 32 ; XOP: Found an estimated cost of 3 for instruction: %bitreverse 33 %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a) 34 ret i32 %bitreverse 35 } 36 37 define i16 @var_bitreverse_i16(i16 %a) { 38 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_i16': 39 ; SSE2: Found an estimated cost of 1 for instruction: %bitreverse 40 ; SSE42: Found an estimated cost of 1 for instruction: %bitreverse 41 ; AVX: Found an estimated cost of 1 for instruction: %bitreverse 42 ; AVX2: Found an estimated cost of 1 for instruction: %bitreverse 43 ; XOP: Found an estimated cost of 3 for instruction: %bitreverse 44 %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a) 45 ret i16 %bitreverse 46 } 47 48 define i8 @var_bitreverse_i8(i8 %a) { 49 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_i8': 50 ; SSE2: Found an estimated cost of 1 for instruction: %bitreverse 51 ; SSE42: Found an estimated cost of 1 for instruction: %bitreverse 52 ; AVX: Found an estimated cost of 1 for instruction: %bitreverse 53 ; AVX2: Found an estimated cost of 1 for instruction: %bitreverse 54 ; XOP: Found an estimated cost of 3 for instruction: %bitreverse 55 %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a) 56 ret i8 %bitreverse 57 } 58 59 ; Verify the cost of vector bitreverse instructions. 60 61 declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>) 62 declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>) 63 declare <8 x i16> @llvm.bitreverse.v8i16(<8 x i16>) 64 declare <16 x i8> @llvm.bitreverse.v16i8(<16 x i8>) 65 66 declare <4 x i64> @llvm.bitreverse.v4i64(<4 x i64>) 67 declare <8 x i32> @llvm.bitreverse.v8i32(<8 x i32>) 68 declare <16 x i16> @llvm.bitreverse.v16i16(<16 x i16>) 69 declare <32 x i8> @llvm.bitreverse.v32i8(<32 x i8>) 70 71 define <2 x i64> @var_bitreverse_v2i64(<2 x i64> %a) { 72 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v2i64': 73 ; SSE2: Found an estimated cost of 6 for instruction: %bitreverse 74 ; SSE42: Found an estimated cost of 5 for instruction: %bitreverse 75 ; AVX: Found an estimated cost of 5 for instruction: %bitreverse 76 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 77 ; XOP: Found an estimated cost of 1 for instruction: %bitreverse 78 %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a) 79 ret <2 x i64> %bitreverse 80 } 81 82 define <4 x i64> @var_bitreverse_v4i64(<4 x i64> %a) { 83 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v4i64': 84 ; SSE2: Found an estimated cost of 12 for instruction: %bitreverse 85 ; SSE42: Found an estimated cost of 10 for instruction: %bitreverse 86 ; AVX: Found an estimated cost of 10 for instruction: %bitreverse 87 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 88 ; XOP: Found an estimated cost of 4 for instruction: %bitreverse 89 %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a) 90 ret <4 x i64> %bitreverse 91 } 92 93 define <4 x i32> @var_bitreverse_v4i32(<4 x i32> %a) { 94 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v4i32': 95 ; SSE2: Found an estimated cost of 12 for instruction: %bitreverse 96 ; SSE42: Found an estimated cost of 5 for instruction: %bitreverse 97 ; AVX: Found an estimated cost of 5 for instruction: %bitreverse 98 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 99 ; XOP: Found an estimated cost of 1 for instruction: %bitreverse 100 %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a) 101 ret <4 x i32> %bitreverse 102 } 103 104 define <8 x i32> @var_bitreverse_v8i32(<8 x i32> %a) { 105 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v8i32': 106 ; SSE2: Found an estimated cost of 24 for instruction: %bitreverse 107 ; SSE42: Found an estimated cost of 10 for instruction: %bitreverse 108 ; AVX: Found an estimated cost of 10 for instruction: %bitreverse 109 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 110 ; XOP: Found an estimated cost of 4 for instruction: %bitreverse 111 %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a) 112 ret <8 x i32> %bitreverse 113 } 114 115 define <8 x i16> @var_bitreverse_v8i16(<8 x i16> %a) { 116 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v8i16': 117 ; SSE2: Found an estimated cost of 24 for instruction: %bitreverse 118 ; SSE42: Found an estimated cost of 5 for instruction: %bitreverse 119 ; AVX: Found an estimated cost of 5 for instruction: %bitreverse 120 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 121 ; XOP: Found an estimated cost of 1 for instruction: %bitreverse 122 %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a) 123 ret <8 x i16> %bitreverse 124 } 125 126 define <16 x i16> @var_bitreverse_v16i16(<16 x i16> %a) { 127 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v16i16': 128 ; SSE2: Found an estimated cost of 48 for instruction: %bitreverse 129 ; SSE42: Found an estimated cost of 10 for instruction: %bitreverse 130 ; AVX: Found an estimated cost of 10 for instruction: %bitreverse 131 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 132 ; XOP: Found an estimated cost of 4 for instruction: %bitreverse 133 %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a) 134 ret <16 x i16> %bitreverse 135 } 136 137 define <16 x i8> @var_bitreverse_v16i8(<16 x i8> %a) { 138 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v16i8': 139 ; SSE2: Found an estimated cost of 48 for instruction: %bitreverse 140 ; SSE42: Found an estimated cost of 5 for instruction: %bitreverse 141 ; AVX: Found an estimated cost of 5 for instruction: %bitreverse 142 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 143 ; XOP: Found an estimated cost of 1 for instruction: %bitreverse 144 %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a) 145 ret <16 x i8> %bitreverse 146 } 147 148 define <32 x i8> @var_bitreverse_v32i8(<32 x i8> %a) { 149 ; CHECK: 'Cost Model Analysis' for function 'var_bitreverse_v32i8': 150 ; SSE2: Found an estimated cost of 96 for instruction: %bitreverse 151 ; SSE42: Found an estimated cost of 10 for instruction: %bitreverse 152 ; AVX: Found an estimated cost of 10 for instruction: %bitreverse 153 ; AVX2: Found an estimated cost of 5 for instruction: %bitreverse 154 ; XOP: Found an estimated cost of 4 for instruction: %bitreverse 155 %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a) 156 ret <32 x i8> %bitreverse 157 } 158
