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| 1 | +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 |
| 2 | +; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=SSE2 | FileCheck %s --check-prefixes=CHECK,SSE |
| 3 | +; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=AVX2 | FileCheck %s --check-prefixes=CHECK,AVX |
| 4 | + |
| 5 | +declare void @use(<4 x i32>) |
| 6 | + |
| 7 | +; Shuffle is much cheaper than fdiv. FMF are intersected. |
| 8 | + |
| 9 | +define <4 x float> @shuf_fdiv_v4f32_yy(<4 x float> %x, <4 x float> %y, <4 x float> %z) { |
| 10 | +; CHECK-LABEL: define <4 x float> @shuf_fdiv_v4f32_yy( |
| 11 | +; CHECK-SAME: <4 x float> [[X:%.*]], <4 x float> [[Y:%.*]], <4 x float> [[Z:%.*]]) #[[ATTR0:[0-9]+]] { |
| 12 | +; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x float> [[X]], <4 x float> [[Z]], <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| 13 | +; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[Y]], <4 x float> poison, <4 x i32> <i32 1, i32 3, i32 1, i32 3> |
| 14 | +; CHECK-NEXT: [[R:%.*]] = fdiv arcp <4 x float> [[TMP2]], [[TMP3]] |
| 15 | +; CHECK-NEXT: ret <4 x float> [[R]] |
| 16 | +; |
| 17 | + %b0 = fdiv fast <4 x float> %x, %y |
| 18 | + %b1 = fdiv arcp <4 x float> %z, %y |
| 19 | + %r = shufflevector <4 x float> %b0, <4 x float> %b1, <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| 20 | + ret <4 x float> %r |
| 21 | +} |
| 22 | + |
| 23 | +; Common operand is op0 of the binops. |
| 24 | + |
| 25 | +define <4 x i32> @shuf_add_v4i32_xx(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z) { |
| 26 | +; CHECK-LABEL: define <4 x i32> @shuf_add_v4i32_xx( |
| 27 | +; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> [[Z:%.*]]) #[[ATTR0]] { |
| 28 | +; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> [[X]], <4 x i32> poison, <4 x i32> <i32 poison, i32 poison, i32 2, i32 0> |
| 29 | +; CHECK-NEXT: [[R1:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[Z]], <4 x i32> <i32 poison, i32 poison, i32 6, i32 0> |
| 30 | +; CHECK-NEXT: [[R2:%.*]] = add <4 x i32> [[TMP1]], [[R1]] |
| 31 | +; CHECK-NEXT: ret <4 x i32> [[R2]] |
| 32 | +; |
| 33 | + %b0 = add <4 x i32> %x, %y |
| 34 | + %b1 = add <4 x i32> %x, %z |
| 35 | + %r = shufflevector <4 x i32> %b0, <4 x i32> %b1, <4 x i32> <i32 poison, i32 poison, i32 6, i32 0> |
| 36 | + ret <4 x i32> %r |
| 37 | +} |
| 38 | + |
| 39 | +; For commutative instructions, common operand may be swapped. |
| 40 | + |
| 41 | +define <4 x float> @shuf_fmul_v4f32_xx_swap(<4 x float> %x, <4 x float> %y, <4 x float> %z) { |
| 42 | +; CHECK-LABEL: define <4 x float> @shuf_fmul_v4f32_xx_swap( |
| 43 | +; CHECK-SAME: <4 x float> [[X:%.*]], <4 x float> [[Y:%.*]], <4 x float> [[Z:%.*]]) #[[ATTR0]] { |
| 44 | +; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> [[Y]], <4 x float> [[Z]], <4 x i32> <i32 0, i32 3, i32 4, i32 7> |
| 45 | +; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x float> [[X]], <4 x float> poison, <4 x i32> <i32 0, i32 3, i32 0, i32 3> |
| 46 | +; CHECK-NEXT: [[R:%.*]] = fmul <4 x float> [[TMP1]], [[TMP2]] |
| 47 | +; CHECK-NEXT: ret <4 x float> [[R]] |
| 48 | +; |
| 49 | + %b0 = fmul <4 x float> %x, %y |
| 50 | + %b1 = fmul <4 x float> %z, %x |
| 51 | + %r = shufflevector <4 x float> %b0, <4 x float> %b1, <4 x i32> <i32 0, i32 3, i32 4, i32 7> |
| 52 | + ret <4 x float> %r |
| 53 | +} |
| 54 | + |
| 55 | +; For commutative instructions, common operand may be swapped. |
| 56 | + |
| 57 | +define <2 x i64> @shuf_and_v2i64_yy_swap(<2 x i64> %x, <2 x i64> %y, <2 x i64> %z) { |
| 58 | +; CHECK-LABEL: define <2 x i64> @shuf_and_v2i64_yy_swap( |
| 59 | +; CHECK-SAME: <2 x i64> [[X:%.*]], <2 x i64> [[Y:%.*]], <2 x i64> [[Z:%.*]]) #[[ATTR0]] { |
| 60 | +; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <2 x i64> [[Y]], <2 x i64> poison, <2 x i32> <i32 1, i32 0> |
| 61 | +; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x i64> [[X]], <2 x i64> [[Z]], <2 x i32> <i32 3, i32 0> |
| 62 | +; CHECK-NEXT: [[R:%.*]] = and <2 x i64> [[TMP1]], [[TMP2]] |
| 63 | +; CHECK-NEXT: ret <2 x i64> [[R]] |
| 64 | +; |
| 65 | + %b0 = and <2 x i64> %x, %y |
| 66 | + %b1 = and <2 x i64> %y, %z |
| 67 | + %r = shufflevector <2 x i64> %b0, <2 x i64> %b1, <2 x i32> <i32 3, i32 0> |
| 68 | + ret <2 x i64> %r |
| 69 | +} |
| 70 | + |
| 71 | +; non-commutative binop, but common op0 |
| 72 | + |
| 73 | +define <4 x i32> @shuf_shl_v4i32_xx(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z) { |
| 74 | +; CHECK-LABEL: define <4 x i32> @shuf_shl_v4i32_xx( |
| 75 | +; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> [[Z:%.*]]) #[[ATTR0]] { |
| 76 | +; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> [[X]], <4 x i32> poison, <4 x i32> <i32 3, i32 1, i32 1, i32 2> |
| 77 | +; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> [[Y]], <4 x i32> [[Z]], <4 x i32> <i32 3, i32 1, i32 1, i32 6> |
| 78 | +; CHECK-NEXT: [[R:%.*]] = shl <4 x i32> [[TMP1]], [[TMP2]] |
| 79 | +; CHECK-NEXT: ret <4 x i32> [[R]] |
| 80 | +; |
| 81 | + %b0 = shl <4 x i32> %x, %y |
| 82 | + %b1 = shl <4 x i32> %x, %z |
| 83 | + %r = shufflevector <4 x i32> %b0, <4 x i32> %b1, <4 x i32> <i32 3, i32 1, i32 1, i32 6> |
| 84 | + ret <4 x i32> %r |
| 85 | +} |
| 86 | + |
| 87 | +; negative test - common operand, but not commutable |
| 88 | + |
| 89 | +define <4 x i32> @shuf_shl_v4i32_xx_swap(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z) { |
| 90 | +; CHECK-LABEL: define <4 x i32> @shuf_shl_v4i32_xx_swap( |
| 91 | +; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> [[Z:%.*]]) #[[ATTR0]] { |
| 92 | +; CHECK-NEXT: [[B0:%.*]] = shl <4 x i32> [[X]], [[Y]] |
| 93 | +; CHECK-NEXT: [[B1:%.*]] = shl <4 x i32> [[Z]], [[X]] |
| 94 | +; CHECK-NEXT: [[R1:%.*]] = shufflevector <4 x i32> [[B0]], <4 x i32> [[B1]], <4 x i32> <i32 3, i32 2, i32 2, i32 5> |
| 95 | +; CHECK-NEXT: ret <4 x i32> [[R1]] |
| 96 | +; |
| 97 | + %b0 = shl <4 x i32> %x, %y |
| 98 | + %b1 = shl <4 x i32> %z, %x |
| 99 | + %r = shufflevector <4 x i32> %b0, <4 x i32> %b1, <4 x i32> <i32 3, i32 2, i32 2, i32 5> |
| 100 | + ret <4 x i32> %r |
| 101 | +} |
| 102 | + |
| 103 | +; negative test - mismatched opcodes |
| 104 | + |
| 105 | +define <2 x i64> @shuf_sub_add_v2i64_yy(<2 x i64> %x, <2 x i64> %y, <2 x i64> %z) { |
| 106 | +; CHECK-LABEL: define <2 x i64> @shuf_sub_add_v2i64_yy( |
| 107 | +; CHECK-SAME: <2 x i64> [[X:%.*]], <2 x i64> [[Y:%.*]], <2 x i64> [[Z:%.*]]) #[[ATTR0]] { |
| 108 | +; CHECK-NEXT: [[B0:%.*]] = sub <2 x i64> [[X]], [[Y]] |
| 109 | +; CHECK-NEXT: [[B1:%.*]] = add <2 x i64> [[Z]], [[Y]] |
| 110 | +; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i64> [[B0]], <2 x i64> [[B1]], <2 x i32> <i32 3, i32 0> |
| 111 | +; CHECK-NEXT: ret <2 x i64> [[R]] |
| 112 | +; |
| 113 | + %b0 = sub <2 x i64> %x, %y |
| 114 | + %b1 = add <2 x i64> %z, %y |
| 115 | + %r = shufflevector <2 x i64> %b0, <2 x i64> %b1, <2 x i32> <i32 3, i32 0> |
| 116 | + ret <2 x i64> %r |
| 117 | +} |
| 118 | + |
| 119 | +; negative test - type change via shuffle |
| 120 | + |
| 121 | +define <8 x float> @shuf_fmul_v4f32_xx_type(<4 x float> %x, <4 x float> %y, <4 x float> %z) { |
| 122 | +; CHECK-LABEL: define <8 x float> @shuf_fmul_v4f32_xx_type( |
| 123 | +; CHECK-SAME: <4 x float> [[X:%.*]], <4 x float> [[Y:%.*]], <4 x float> [[Z:%.*]]) #[[ATTR0]] { |
| 124 | +; CHECK-NEXT: [[B0:%.*]] = fmul <4 x float> [[X]], [[Y]] |
| 125 | +; CHECK-NEXT: [[B1:%.*]] = fmul <4 x float> [[Z]], [[X]] |
| 126 | +; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[B0]], <4 x float> [[B1]], <8 x i32> <i32 0, i32 3, i32 4, i32 7, i32 0, i32 1, i32 1, i32 6> |
| 127 | +; CHECK-NEXT: ret <8 x float> [[R]] |
| 128 | +; |
| 129 | + %b0 = fmul <4 x float> %x, %y |
| 130 | + %b1 = fmul <4 x float> %z, %x |
| 131 | + %r = shufflevector <4 x float> %b0, <4 x float> %b1, <8 x i32> <i32 0, i32 3, i32 4, i32 7, i32 0, i32 1, i32 1, i32 6> |
| 132 | + ret <8 x float> %r |
| 133 | +} |
| 134 | + |
| 135 | +; negative test - uses |
| 136 | + |
| 137 | +define <4 x i32> @shuf_lshr_v4i32_yy_use1(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z) { |
| 138 | +; CHECK-LABEL: define <4 x i32> @shuf_lshr_v4i32_yy_use1( |
| 139 | +; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> [[Z:%.*]]) #[[ATTR0]] { |
| 140 | +; CHECK-NEXT: [[B0:%.*]] = lshr <4 x i32> [[X]], [[Y]] |
| 141 | +; CHECK-NEXT: call void @use(<4 x i32> [[B0]]) |
| 142 | +; CHECK-NEXT: [[B1:%.*]] = lshr <4 x i32> [[Z]], [[Y]] |
| 143 | +; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x i32> [[B0]], <4 x i32> [[B1]], <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| 144 | +; CHECK-NEXT: ret <4 x i32> [[R]] |
| 145 | +; |
| 146 | + %b0 = lshr <4 x i32> %x, %y |
| 147 | + call void @use(<4 x i32> %b0) |
| 148 | + %b1 = lshr <4 x i32> %z, %y |
| 149 | + %r = shufflevector <4 x i32> %b0, <4 x i32> %b1, <4 x i32> <i32 0, i32 2, i32 4, i32 6> |
| 150 | + ret <4 x i32> %r |
| 151 | +} |
| 152 | + |
| 153 | +; negative test - uses |
| 154 | + |
| 155 | +define <4 x i32> @shuf_mul_v4i32_yy_use2(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z) { |
| 156 | +; CHECK-LABEL: define <4 x i32> @shuf_mul_v4i32_yy_use2( |
| 157 | +; CHECK-SAME: <4 x i32> [[X:%.*]], <4 x i32> [[Y:%.*]], <4 x i32> [[Z:%.*]]) #[[ATTR0]] { |
| 158 | +; CHECK-NEXT: [[B0:%.*]] = mul <4 x i32> [[X]], [[Y]] |
| 159 | +; CHECK-NEXT: [[B1:%.*]] = mul <4 x i32> [[Z]], [[Y]] |
| 160 | +; CHECK-NEXT: call void @use(<4 x i32> [[B1]]) |
| 161 | +; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x i32> [[B0]], <4 x i32> [[B1]], <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| 162 | +; CHECK-NEXT: ret <4 x i32> [[R]] |
| 163 | +; |
| 164 | + %b0 = mul <4 x i32> %x, %y |
| 165 | + %b1 = mul <4 x i32> %z, %y |
| 166 | + call void @use(<4 x i32> %b1) |
| 167 | + %r = shufflevector <4 x i32> %b0, <4 x i32> %b1, <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| 168 | + ret <4 x i32> %r |
| 169 | +} |
| 170 | + |
| 171 | +; negative test - must have matching operand |
| 172 | + |
| 173 | +define <4 x float> @shuf_fadd_v4f32_no_common_op(<4 x float> %x, <4 x float> %y, <4 x float> %z, <4 x float> %w) { |
| 174 | +; CHECK-LABEL: define <4 x float> @shuf_fadd_v4f32_no_common_op( |
| 175 | +; CHECK-SAME: <4 x float> [[X:%.*]], <4 x float> [[Y:%.*]], <4 x float> [[Z:%.*]], <4 x float> [[W:%.*]]) #[[ATTR0]] { |
| 176 | +; CHECK-NEXT: [[B0:%.*]] = fadd <4 x float> [[X]], [[Y]] |
| 177 | +; CHECK-NEXT: [[B1:%.*]] = fadd <4 x float> [[Z]], [[W]] |
| 178 | +; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[B0]], <4 x float> [[B1]], <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| 179 | +; CHECK-NEXT: ret <4 x float> [[R]] |
| 180 | +; |
| 181 | + %b0 = fadd <4 x float> %x, %y |
| 182 | + %b1 = fadd <4 x float> %z, %w |
| 183 | + %r = shufflevector <4 x float> %b0, <4 x float> %b1, <4 x i32> <i32 1, i32 3, i32 5, i32 7> |
| 184 | + ret <4 x float> %r |
| 185 | +} |
| 186 | + |
| 187 | +; negative test - binops may be relatively cheap |
| 188 | + |
| 189 | +define <16 x i16> @shuf_and_v16i16_yy_expensive_shuf(<16 x i16> %x, <16 x i16> %y, <16 x i16> %z) { |
| 190 | +; CHECK-LABEL: define <16 x i16> @shuf_and_v16i16_yy_expensive_shuf( |
| 191 | +; CHECK-SAME: <16 x i16> [[X:%.*]], <16 x i16> [[Y:%.*]], <16 x i16> [[Z:%.*]]) #[[ATTR0]] { |
| 192 | +; CHECK-NEXT: [[B0:%.*]] = and <16 x i16> [[X]], [[Y]] |
| 193 | +; CHECK-NEXT: [[B1:%.*]] = and <16 x i16> [[Y]], [[Z]] |
| 194 | +; CHECK-NEXT: [[R:%.*]] = shufflevector <16 x i16> [[B0]], <16 x i16> [[B1]], <16 x i32> <i32 15, i32 22, i32 25, i32 13, i32 28, i32 0, i32 poison, i32 3, i32 0, i32 30, i32 3, i32 7, i32 9, i32 19, i32 2, i32 22> |
| 195 | +; CHECK-NEXT: ret <16 x i16> [[R]] |
| 196 | +; |
| 197 | + %b0 = and <16 x i16> %x, %y |
| 198 | + %b1 = and <16 x i16> %y, %z |
| 199 | + %r = shufflevector <16 x i16> %b0, <16 x i16> %b1, <16 x i32> <i32 15, i32 22, i32 25, i32 13, i32 28, i32 0, i32 poison, i32 3, i32 0, i32 30, i32 3, i32 7, i32 9, i32 19, i32 2, i32 22> |
| 200 | + ret <16 x i16> %r |
| 201 | +} |
| 202 | +;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: |
| 203 | +; AVX: {{.*}} |
| 204 | +; SSE: {{.*}} |
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