1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: %if x86-registered-target %{ opt -S -passes=slp-vectorizer -slp-threshold=-10000 -mtriple=x86_64-unknown-unknown < %s | FileCheck %s --check-prefixes=CHECK,THRESHOLD %} 3; RUN: %if x86-registered-target %{ opt -S -passes=slp-vectorizer -slp-threshold=0 -mtriple=x86_64-unknown-unknown < %s | FileCheck %s --check-prefixes=CHECK,NOTHRESHOLD %} 4; RUN: %if x86-registered-target %{ opt -S -passes=slp-vectorizer -slp-threshold=-10000 -slp-min-tree-size=0 -mtriple=x86_64-unknown-unknown < %s | FileCheck %s --check-prefixes=CHECK,MINTREESIZE %} 5; RUN: %if aarch64-registered-target %{ opt -S -passes=slp-vectorizer -slp-threshold=-10000 -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s --check-prefixes=CHECK,THRESHOLD %} 6; RUN: %if aarch64-registered-target %{ opt -S -passes=slp-vectorizer -slp-threshold=0 -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s --check-prefixes=CHECK,NOTHRESHOLD %} 7; RUN: %if aarch64-registered-target %{ opt -S -passes=slp-vectorizer -slp-threshold=-10000 -slp-min-tree-size=0 -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s --check-prefixes=CHECK,MINTREESIZE %} 8 9define <4 x float> @simple_select(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { 10; CHECK-LABEL: @simple_select( 11; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer 12; CHECK-NEXT: [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]] 13; CHECK-NEXT: ret <4 x float> [[TMP2]] 14; 15 %c0 = extractelement <4 x i32> %c, i32 0 16 %c1 = extractelement <4 x i32> %c, i32 1 17 %c2 = extractelement <4 x i32> %c, i32 2 18 %c3 = extractelement <4 x i32> %c, i32 3 19 %a0 = extractelement <4 x float> %a, i32 0 20 %a1 = extractelement <4 x float> %a, i32 1 21 %a2 = extractelement <4 x float> %a, i32 2 22 %a3 = extractelement <4 x float> %a, i32 3 23 %b0 = extractelement <4 x float> %b, i32 0 24 %b1 = extractelement <4 x float> %b, i32 1 25 %b2 = extractelement <4 x float> %b, i32 2 26 %b3 = extractelement <4 x float> %b, i32 3 27 %cmp0 = icmp ne i32 %c0, 0 28 %cmp1 = icmp ne i32 %c1, 0 29 %cmp2 = icmp ne i32 %c2, 0 30 %cmp3 = icmp ne i32 %c3, 0 31 %s0 = select i1 %cmp0, float %a0, float %b0 32 %s1 = select i1 %cmp1, float %a1, float %b1 33 %s2 = select i1 %cmp2, float %a2, float %b2 34 %s3 = select i1 %cmp3, float %a3, float %b3 35 %ra = insertelement <4 x float> zeroinitializer, float %s0, i32 0 36 %rb = insertelement <4 x float> %ra, float %s1, i32 1 37 %rc = insertelement <4 x float> %rb, float %s2, i32 2 38 %rd = insertelement <4 x float> %rc, float %s3, i32 3 39 ret <4 x float> %rd 40} 41 42define <8 x float> @simple_select2(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { 43; CHECK-LABEL: @simple_select2( 44; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer 45; CHECK-NEXT: [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]] 46; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x float> [[TMP2]], <4 x float> poison, <8 x i32> <i32 0, i32 poison, i32 1, i32 poison, i32 2, i32 poison, i32 poison, i32 3> 47; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <8 x float> zeroinitializer, <8 x float> [[TMP4]], <8 x i32> <i32 8, i32 1, i32 10, i32 3, i32 12, i32 5, i32 6, i32 15> 48; CHECK-NEXT: ret <8 x float> [[TMP3]] 49; 50 %c0 = extractelement <4 x i32> %c, i32 0 51 %c1 = extractelement <4 x i32> %c, i32 1 52 %c2 = extractelement <4 x i32> %c, i32 2 53 %c3 = extractelement <4 x i32> %c, i32 3 54 %a0 = extractelement <4 x float> %a, i32 0 55 %a1 = extractelement <4 x float> %a, i32 1 56 %a2 = extractelement <4 x float> %a, i32 2 57 %a3 = extractelement <4 x float> %a, i32 3 58 %b0 = extractelement <4 x float> %b, i32 0 59 %b1 = extractelement <4 x float> %b, i32 1 60 %b2 = extractelement <4 x float> %b, i32 2 61 %b3 = extractelement <4 x float> %b, i32 3 62 %cmp0 = icmp ne i32 %c0, 0 63 %cmp1 = icmp ne i32 %c1, 0 64 %cmp2 = icmp ne i32 %c2, 0 65 %cmp3 = icmp ne i32 %c3, 0 66 %s0 = select i1 %cmp0, float %a0, float %b0 67 %s1 = select i1 %cmp1, float %a1, float %b1 68 %s2 = select i1 %cmp2, float %a2, float %b2 69 %s3 = select i1 %cmp3, float %a3, float %b3 70 %ra = insertelement <8 x float> zeroinitializer, float %s0, i32 0 71 %rb = insertelement <8 x float> %ra, float %s1, i32 2 72 %rc = insertelement <8 x float> %rb, float %s2, i32 4 73 %rd = insertelement <8 x float> %rc, float %s3, i32 7 74 ret <8 x float> %rd 75} 76 77declare void @llvm.assume(i1) nounwind 78 79; This entire tree is ephemeral, don't vectorize any of it. 80define <4 x float> @simple_select_eph(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { 81; THRESHOLD-LABEL: @simple_select_eph( 82; THRESHOLD-NEXT: [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0 83; THRESHOLD-NEXT: [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1 84; THRESHOLD-NEXT: [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2 85; THRESHOLD-NEXT: [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3 86; THRESHOLD-NEXT: [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0 87; THRESHOLD-NEXT: [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1 88; THRESHOLD-NEXT: [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2 89; THRESHOLD-NEXT: [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3 90; THRESHOLD-NEXT: [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0 91; THRESHOLD-NEXT: [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1 92; THRESHOLD-NEXT: [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2 93; THRESHOLD-NEXT: [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3 94; THRESHOLD-NEXT: [[CMP0:%.*]] = icmp ne i32 [[C0]], 0 95; THRESHOLD-NEXT: [[CMP1:%.*]] = icmp ne i32 [[C1]], 0 96; THRESHOLD-NEXT: [[CMP2:%.*]] = icmp ne i32 [[C2]], 0 97; THRESHOLD-NEXT: [[CMP3:%.*]] = icmp ne i32 [[C3]], 0 98; THRESHOLD-NEXT: [[S0:%.*]] = select i1 [[CMP0]], float [[A0]], float [[B0]] 99; THRESHOLD-NEXT: [[S1:%.*]] = select i1 [[CMP1]], float [[A1]], float [[B1]] 100; THRESHOLD-NEXT: [[S2:%.*]] = select i1 [[CMP2]], float [[A2]], float [[B2]] 101; THRESHOLD-NEXT: [[S3:%.*]] = select i1 [[CMP3]], float [[A3]], float [[B3]] 102; THRESHOLD-NEXT: [[RA:%.*]] = insertelement <4 x float> zeroinitializer, float [[S0]], i32 0 103; THRESHOLD-NEXT: [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[S1]], i32 1 104; THRESHOLD-NEXT: [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[S2]], i32 2 105; THRESHOLD-NEXT: [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[S3]], i32 3 106; THRESHOLD-NEXT: [[Q0:%.*]] = extractelement <4 x float> [[RD]], i32 0 107; THRESHOLD-NEXT: [[Q1:%.*]] = extractelement <4 x float> [[RD]], i32 1 108; THRESHOLD-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> [[RD]], <4 x float> poison, <2 x i32> <i32 0, i32 1> 109; THRESHOLD-NEXT: [[Q2:%.*]] = extractelement <4 x float> [[RD]], i32 2 110; THRESHOLD-NEXT: [[Q3:%.*]] = extractelement <4 x float> [[RD]], i32 3 111; THRESHOLD-NEXT: [[TMP2:%.*]] = shufflevector <4 x float> [[RD]], <4 x float> poison, <2 x i32> <i32 2, i32 3> 112; THRESHOLD-NEXT: [[Q4:%.*]] = fadd float [[Q0]], [[Q1]] 113; THRESHOLD-NEXT: [[Q5:%.*]] = fadd float [[Q2]], [[Q3]] 114; THRESHOLD-NEXT: [[Q6:%.*]] = fadd float [[Q4]], [[Q5]] 115; THRESHOLD-NEXT: [[QI:%.*]] = fcmp olt float [[Q6]], [[Q5]] 116; THRESHOLD-NEXT: call void @llvm.assume(i1 [[QI]]) 117; THRESHOLD-NEXT: ret <4 x float> zeroinitializer 118; 119; NOTHRESHOLD-LABEL: @simple_select_eph( 120; NOTHRESHOLD-NEXT: [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0 121; NOTHRESHOLD-NEXT: [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1 122; NOTHRESHOLD-NEXT: [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2 123; NOTHRESHOLD-NEXT: [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3 124; NOTHRESHOLD-NEXT: [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0 125; NOTHRESHOLD-NEXT: [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1 126; NOTHRESHOLD-NEXT: [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2 127; NOTHRESHOLD-NEXT: [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3 128; NOTHRESHOLD-NEXT: [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0 129; NOTHRESHOLD-NEXT: [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1 130; NOTHRESHOLD-NEXT: [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2 131; NOTHRESHOLD-NEXT: [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3 132; NOTHRESHOLD-NEXT: [[CMP0:%.*]] = icmp ne i32 [[C0]], 0 133; NOTHRESHOLD-NEXT: [[CMP1:%.*]] = icmp ne i32 [[C1]], 0 134; NOTHRESHOLD-NEXT: [[CMP2:%.*]] = icmp ne i32 [[C2]], 0 135; NOTHRESHOLD-NEXT: [[CMP3:%.*]] = icmp ne i32 [[C3]], 0 136; NOTHRESHOLD-NEXT: [[S0:%.*]] = select i1 [[CMP0]], float [[A0]], float [[B0]] 137; NOTHRESHOLD-NEXT: [[S1:%.*]] = select i1 [[CMP1]], float [[A1]], float [[B1]] 138; NOTHRESHOLD-NEXT: [[S2:%.*]] = select i1 [[CMP2]], float [[A2]], float [[B2]] 139; NOTHRESHOLD-NEXT: [[S3:%.*]] = select i1 [[CMP3]], float [[A3]], float [[B3]] 140; NOTHRESHOLD-NEXT: [[RA:%.*]] = insertelement <4 x float> zeroinitializer, float [[S0]], i32 0 141; NOTHRESHOLD-NEXT: [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[S1]], i32 1 142; NOTHRESHOLD-NEXT: [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[S2]], i32 2 143; NOTHRESHOLD-NEXT: [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[S3]], i32 3 144; NOTHRESHOLD-NEXT: [[Q0:%.*]] = extractelement <4 x float> [[RD]], i32 0 145; NOTHRESHOLD-NEXT: [[Q1:%.*]] = extractelement <4 x float> [[RD]], i32 1 146; NOTHRESHOLD-NEXT: [[Q2:%.*]] = extractelement <4 x float> [[RD]], i32 2 147; NOTHRESHOLD-NEXT: [[Q3:%.*]] = extractelement <4 x float> [[RD]], i32 3 148; NOTHRESHOLD-NEXT: [[Q4:%.*]] = fadd float [[Q0]], [[Q1]] 149; NOTHRESHOLD-NEXT: [[Q5:%.*]] = fadd float [[Q2]], [[Q3]] 150; NOTHRESHOLD-NEXT: [[Q6:%.*]] = fadd float [[Q4]], [[Q5]] 151; NOTHRESHOLD-NEXT: [[QI:%.*]] = fcmp olt float [[Q6]], [[Q5]] 152; NOTHRESHOLD-NEXT: call void @llvm.assume(i1 [[QI]]) 153; NOTHRESHOLD-NEXT: ret <4 x float> zeroinitializer 154; 155; MINTREESIZE-LABEL: @simple_select_eph( 156; MINTREESIZE-NEXT: [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0 157; MINTREESIZE-NEXT: [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1 158; MINTREESIZE-NEXT: [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2 159; MINTREESIZE-NEXT: [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3 160; MINTREESIZE-NEXT: [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0 161; MINTREESIZE-NEXT: [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1 162; MINTREESIZE-NEXT: [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2 163; MINTREESIZE-NEXT: [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3 164; MINTREESIZE-NEXT: [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0 165; MINTREESIZE-NEXT: [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1 166; MINTREESIZE-NEXT: [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2 167; MINTREESIZE-NEXT: [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3 168; MINTREESIZE-NEXT: [[CMP0:%.*]] = icmp ne i32 [[C0]], 0 169; MINTREESIZE-NEXT: [[CMP1:%.*]] = icmp ne i32 [[C1]], 0 170; MINTREESIZE-NEXT: [[CMP2:%.*]] = icmp ne i32 [[C2]], 0 171; MINTREESIZE-NEXT: [[CMP3:%.*]] = icmp ne i32 [[C3]], 0 172; MINTREESIZE-NEXT: [[TMP1:%.*]] = insertelement <4 x i1> poison, i1 [[CMP3]], i32 0 173; MINTREESIZE-NEXT: [[TMP2:%.*]] = insertelement <4 x i1> [[TMP1]], i1 [[CMP2]], i32 1 174; MINTREESIZE-NEXT: [[TMP3:%.*]] = insertelement <4 x i1> [[TMP2]], i1 [[CMP1]], i32 2 175; MINTREESIZE-NEXT: [[TMP4:%.*]] = insertelement <4 x i1> [[TMP3]], i1 [[CMP0]], i32 3 176; MINTREESIZE-NEXT: [[S0:%.*]] = select i1 [[CMP0]], float [[A0]], float [[B0]] 177; MINTREESIZE-NEXT: [[S1:%.*]] = select i1 [[CMP1]], float [[A1]], float [[B1]] 178; MINTREESIZE-NEXT: [[S2:%.*]] = select i1 [[CMP2]], float [[A2]], float [[B2]] 179; MINTREESIZE-NEXT: [[S3:%.*]] = select i1 [[CMP3]], float [[A3]], float [[B3]] 180; MINTREESIZE-NEXT: [[RA:%.*]] = insertelement <4 x float> zeroinitializer, float [[S0]], i32 0 181; MINTREESIZE-NEXT: [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[S1]], i32 1 182; MINTREESIZE-NEXT: [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[S2]], i32 2 183; MINTREESIZE-NEXT: [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[S3]], i32 3 184; MINTREESIZE-NEXT: [[Q0:%.*]] = extractelement <4 x float> [[RD]], i32 0 185; MINTREESIZE-NEXT: [[Q1:%.*]] = extractelement <4 x float> [[RD]], i32 1 186; MINTREESIZE-NEXT: [[TMP5:%.*]] = shufflevector <4 x float> [[RD]], <4 x float> poison, <2 x i32> <i32 0, i32 1> 187; MINTREESIZE-NEXT: [[Q2:%.*]] = extractelement <4 x float> [[RD]], i32 2 188; MINTREESIZE-NEXT: [[Q3:%.*]] = extractelement <4 x float> [[RD]], i32 3 189; MINTREESIZE-NEXT: [[TMP6:%.*]] = shufflevector <4 x float> [[RD]], <4 x float> poison, <2 x i32> <i32 2, i32 3> 190; MINTREESIZE-NEXT: [[Q4:%.*]] = fadd float [[Q0]], [[Q1]] 191; MINTREESIZE-NEXT: [[Q5:%.*]] = fadd float [[Q2]], [[Q3]] 192; MINTREESIZE-NEXT: [[TMP7:%.*]] = insertelement <2 x float> poison, float [[Q4]], i32 0 193; MINTREESIZE-NEXT: [[TMP8:%.*]] = insertelement <2 x float> [[TMP7]], float [[Q5]], i32 1 194; MINTREESIZE-NEXT: [[Q6:%.*]] = fadd float [[Q4]], [[Q5]] 195; MINTREESIZE-NEXT: [[QI:%.*]] = fcmp olt float [[Q6]], [[Q5]] 196; MINTREESIZE-NEXT: call void @llvm.assume(i1 [[QI]]) 197; MINTREESIZE-NEXT: ret <4 x float> zeroinitializer 198; 199 %c0 = extractelement <4 x i32> %c, i32 0 200 %c1 = extractelement <4 x i32> %c, i32 1 201 %c2 = extractelement <4 x i32> %c, i32 2 202 %c3 = extractelement <4 x i32> %c, i32 3 203 %a0 = extractelement <4 x float> %a, i32 0 204 %a1 = extractelement <4 x float> %a, i32 1 205 %a2 = extractelement <4 x float> %a, i32 2 206 %a3 = extractelement <4 x float> %a, i32 3 207 %b0 = extractelement <4 x float> %b, i32 0 208 %b1 = extractelement <4 x float> %b, i32 1 209 %b2 = extractelement <4 x float> %b, i32 2 210 %b3 = extractelement <4 x float> %b, i32 3 211 %cmp0 = icmp ne i32 %c0, 0 212 %cmp1 = icmp ne i32 %c1, 0 213 %cmp2 = icmp ne i32 %c2, 0 214 %cmp3 = icmp ne i32 %c3, 0 215 %s0 = select i1 %cmp0, float %a0, float %b0 216 %s1 = select i1 %cmp1, float %a1, float %b1 217 %s2 = select i1 %cmp2, float %a2, float %b2 218 %s3 = select i1 %cmp3, float %a3, float %b3 219 %ra = insertelement <4 x float> zeroinitializer, float %s0, i32 0 220 %rb = insertelement <4 x float> %ra, float %s1, i32 1 221 %rc = insertelement <4 x float> %rb, float %s2, i32 2 222 %rd = insertelement <4 x float> %rc, float %s3, i32 3 223 %q0 = extractelement <4 x float> %rd, i32 0 224 %q1 = extractelement <4 x float> %rd, i32 1 225 %q2 = extractelement <4 x float> %rd, i32 2 226 %q3 = extractelement <4 x float> %rd, i32 3 227 %q4 = fadd float %q0, %q1 228 %q5 = fadd float %q2, %q3 229 %q6 = fadd float %q4, %q5 230 %qi = fcmp olt float %q6, %q5 231 call void @llvm.assume(i1 %qi) 232 ret <4 x float> zeroinitializer 233} 234 235; Insert in an order different from the vector indices to make sure it 236; doesn't matter 237define <4 x float> @simple_select_insert_out_of_order(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { 238; CHECK-LABEL: @simple_select_insert_out_of_order( 239; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer 240; CHECK-NEXT: [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]] 241; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[TMP2]], <4 x float> poison, <4 x i32> <i32 2, i32 1, i32 0, i32 3> 242; CHECK-NEXT: ret <4 x float> [[TMP3]] 243; 244 %c0 = extractelement <4 x i32> %c, i32 0 245 %c1 = extractelement <4 x i32> %c, i32 1 246 %c2 = extractelement <4 x i32> %c, i32 2 247 %c3 = extractelement <4 x i32> %c, i32 3 248 %a0 = extractelement <4 x float> %a, i32 0 249 %a1 = extractelement <4 x float> %a, i32 1 250 %a2 = extractelement <4 x float> %a, i32 2 251 %a3 = extractelement <4 x float> %a, i32 3 252 %b0 = extractelement <4 x float> %b, i32 0 253 %b1 = extractelement <4 x float> %b, i32 1 254 %b2 = extractelement <4 x float> %b, i32 2 255 %b3 = extractelement <4 x float> %b, i32 3 256 %cmp0 = icmp ne i32 %c0, 0 257 %cmp1 = icmp ne i32 %c1, 0 258 %cmp2 = icmp ne i32 %c2, 0 259 %cmp3 = icmp ne i32 %c3, 0 260 %s0 = select i1 %cmp0, float %a0, float %b0 261 %s1 = select i1 %cmp1, float %a1, float %b1 262 %s2 = select i1 %cmp2, float %a2, float %b2 263 %s3 = select i1 %cmp3, float %a3, float %b3 264 %ra = insertelement <4 x float> zeroinitializer, float %s0, i32 2 265 %rb = insertelement <4 x float> %ra, float %s1, i32 1 266 %rc = insertelement <4 x float> %rb, float %s2, i32 0 267 %rd = insertelement <4 x float> %rc, float %s3, i32 3 268 ret <4 x float> %rd 269} 270 271declare void @v4f32_user(<4 x float>) #0 272declare void @f32_user(float) #0 273 274; Multiple users of the final constructed vector 275define <4 x float> @simple_select_users(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { 276; CHECK-LABEL: @simple_select_users( 277; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer 278; CHECK-NEXT: [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]] 279; CHECK-NEXT: call void @v4f32_user(<4 x float> [[TMP2]]) #[[ATTR0:[0-9]+]] 280; CHECK-NEXT: ret <4 x float> [[TMP2]] 281; 282 %c0 = extractelement <4 x i32> %c, i32 0 283 %c1 = extractelement <4 x i32> %c, i32 1 284 %c2 = extractelement <4 x i32> %c, i32 2 285 %c3 = extractelement <4 x i32> %c, i32 3 286 %a0 = extractelement <4 x float> %a, i32 0 287 %a1 = extractelement <4 x float> %a, i32 1 288 %a2 = extractelement <4 x float> %a, i32 2 289 %a3 = extractelement <4 x float> %a, i32 3 290 %b0 = extractelement <4 x float> %b, i32 0 291 %b1 = extractelement <4 x float> %b, i32 1 292 %b2 = extractelement <4 x float> %b, i32 2 293 %b3 = extractelement <4 x float> %b, i32 3 294 %cmp0 = icmp ne i32 %c0, 0 295 %cmp1 = icmp ne i32 %c1, 0 296 %cmp2 = icmp ne i32 %c2, 0 297 %cmp3 = icmp ne i32 %c3, 0 298 %s0 = select i1 %cmp0, float %a0, float %b0 299 %s1 = select i1 %cmp1, float %a1, float %b1 300 %s2 = select i1 %cmp2, float %a2, float %b2 301 %s3 = select i1 %cmp3, float %a3, float %b3 302 %ra = insertelement <4 x float> zeroinitializer, float %s0, i32 0 303 %rb = insertelement <4 x float> %ra, float %s1, i32 1 304 %rc = insertelement <4 x float> %rb, float %s2, i32 2 305 %rd = insertelement <4 x float> %rc, float %s3, i32 3 306 call void @v4f32_user(<4 x float> %rd) #0 307 ret <4 x float> %rd 308} 309 310; Unused insertelement 311define <4 x float> @simple_select_no_users(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { 312; CHECK-LABEL: @simple_select_no_users( 313; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> [[C:%.*]], <4 x i32> poison, <2 x i32> <i32 0, i32 1> 314; CHECK-NEXT: [[TMP2:%.*]] = icmp ne <2 x i32> [[TMP1]], zeroinitializer 315; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[A:%.*]], <4 x float> poison, <2 x i32> <i32 0, i32 1> 316; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <4 x float> [[B:%.*]], <4 x float> poison, <2 x i32> <i32 0, i32 1> 317; CHECK-NEXT: [[TMP5:%.*]] = select <2 x i1> [[TMP2]], <2 x float> [[TMP3]], <2 x float> [[TMP4]] 318; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i32> [[C]], <4 x i32> poison, <2 x i32> <i32 2, i32 3> 319; CHECK-NEXT: [[TMP7:%.*]] = icmp ne <2 x i32> [[TMP6]], zeroinitializer 320; CHECK-NEXT: [[TMP8:%.*]] = shufflevector <4 x float> [[A]], <4 x float> poison, <2 x i32> <i32 2, i32 3> 321; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <4 x float> [[B]], <4 x float> poison, <2 x i32> <i32 2, i32 3> 322; CHECK-NEXT: [[TMP10:%.*]] = select <2 x i1> [[TMP7]], <2 x float> [[TMP8]], <2 x float> [[TMP9]] 323; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <2 x float> [[TMP5]], <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison> 324; CHECK-NEXT: [[RB2:%.*]] = shufflevector <4 x float> zeroinitializer, <4 x float> [[TMP11]], <4 x i32> <i32 4, i32 5, i32 2, i32 3> 325; CHECK-NEXT: [[TMP12:%.*]] = shufflevector <2 x float> [[TMP10]], <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison> 326; CHECK-NEXT: [[RD1:%.*]] = shufflevector <4 x float> zeroinitializer, <4 x float> [[TMP12]], <4 x i32> <i32 0, i32 1, i32 4, i32 5> 327; CHECK-NEXT: ret <4 x float> [[RD1]] 328; 329 %c0 = extractelement <4 x i32> %c, i32 0 330 %c1 = extractelement <4 x i32> %c, i32 1 331 %c2 = extractelement <4 x i32> %c, i32 2 332 %c3 = extractelement <4 x i32> %c, i32 3 333 %a0 = extractelement <4 x float> %a, i32 0 334 %a1 = extractelement <4 x float> %a, i32 1 335 %a2 = extractelement <4 x float> %a, i32 2 336 %a3 = extractelement <4 x float> %a, i32 3 337 %b0 = extractelement <4 x float> %b, i32 0 338 %b1 = extractelement <4 x float> %b, i32 1 339 %b2 = extractelement <4 x float> %b, i32 2 340 %b3 = extractelement <4 x float> %b, i32 3 341 %cmp0 = icmp ne i32 %c0, 0 342 %cmp1 = icmp ne i32 %c1, 0 343 %cmp2 = icmp ne i32 %c2, 0 344 %cmp3 = icmp ne i32 %c3, 0 345 %s0 = select i1 %cmp0, float %a0, float %b0 346 %s1 = select i1 %cmp1, float %a1, float %b1 347 %s2 = select i1 %cmp2, float %a2, float %b2 348 %s3 = select i1 %cmp3, float %a3, float %b3 349 %ra = insertelement <4 x float> zeroinitializer, float %s0, i32 0 350 %rb = insertelement <4 x float> %ra, float %s1, i32 1 351 %rc = insertelement <4 x float> zeroinitializer, float %s2, i32 2 352 %rd = insertelement <4 x float> %rc, float %s3, i32 3 353 ret <4 x float> %rd 354} 355 356; Make sure infinite loop doesn't happen which I ran into when trying 357; to do this backwards this backwards 358define <4 x i32> @reconstruct(<4 x i32> %c) #0 { 359; CHECK-LABEL: @reconstruct( 360; CHECK-NEXT: [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0 361; CHECK-NEXT: [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1 362; CHECK-NEXT: [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2 363; CHECK-NEXT: [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3 364; CHECK-NEXT: [[RA:%.*]] = insertelement <4 x i32> zeroinitializer, i32 [[C0]], i32 0 365; CHECK-NEXT: [[RB:%.*]] = insertelement <4 x i32> [[RA]], i32 [[C1]], i32 1 366; CHECK-NEXT: [[RC:%.*]] = insertelement <4 x i32> [[RB]], i32 [[C2]], i32 2 367; CHECK-NEXT: [[RD:%.*]] = insertelement <4 x i32> [[RC]], i32 [[C3]], i32 3 368; CHECK-NEXT: ret <4 x i32> [[RD]] 369; 370 %c0 = extractelement <4 x i32> %c, i32 0 371 %c1 = extractelement <4 x i32> %c, i32 1 372 %c2 = extractelement <4 x i32> %c, i32 2 373 %c3 = extractelement <4 x i32> %c, i32 3 374 %ra = insertelement <4 x i32> zeroinitializer, i32 %c0, i32 0 375 %rb = insertelement <4 x i32> %ra, i32 %c1, i32 1 376 %rc = insertelement <4 x i32> %rb, i32 %c2, i32 2 377 %rd = insertelement <4 x i32> %rc, i32 %c3, i32 3 378 ret <4 x i32> %rd 379} 380 381define <2 x float> @simple_select_v2(<2 x float> %a, <2 x float> %b, <2 x i32> %c) #0 { 382; CHECK-LABEL: @simple_select_v2( 383; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <2 x i32> [[C:%.*]], zeroinitializer 384; CHECK-NEXT: [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x float> [[A:%.*]], <2 x float> [[B:%.*]] 385; CHECK-NEXT: ret <2 x float> [[TMP2]] 386; 387 %c0 = extractelement <2 x i32> %c, i32 0 388 %c1 = extractelement <2 x i32> %c, i32 1 389 %a0 = extractelement <2 x float> %a, i32 0 390 %a1 = extractelement <2 x float> %a, i32 1 391 %b0 = extractelement <2 x float> %b, i32 0 392 %b1 = extractelement <2 x float> %b, i32 1 393 %cmp0 = icmp ne i32 %c0, 0 394 %cmp1 = icmp ne i32 %c1, 0 395 %s0 = select i1 %cmp0, float %a0, float %b0 396 %s1 = select i1 %cmp1, float %a1, float %b1 397 %ra = insertelement <2 x float> zeroinitializer, float %s0, i32 0 398 %rb = insertelement <2 x float> %ra, float %s1, i32 1 399 ret <2 x float> %rb 400} 401 402; Make sure when we construct partial vectors, we don't keep 403; re-visiting the insertelement chains starting with zeroinitializer 404; (low cost threshold needed to force this to happen) 405define <4 x float> @simple_select_partial_vector(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 { 406; CHECK-LABEL: @simple_select_partial_vector( 407; CHECK-NEXT: [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0 408; CHECK-NEXT: [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1 409; CHECK-NEXT: [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0 410; CHECK-NEXT: [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1 411; CHECK-NEXT: [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0 412; CHECK-NEXT: [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1 413; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i32> zeroinitializer, i32 [[C0]], i32 0 414; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[C1]], i32 1 415; CHECK-NEXT: [[TMP3:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer 416; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x float> zeroinitializer, float [[A0]], i32 0 417; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x float> [[TMP4]], float [[A1]], i32 1 418; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x float> zeroinitializer, float [[B0]], i32 0 419; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x float> [[TMP6]], float [[B1]], i32 1 420; CHECK-NEXT: [[TMP8:%.*]] = select <2 x i1> [[TMP3]], <2 x float> [[TMP5]], <2 x float> [[TMP7]] 421; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0 422; CHECK-NEXT: [[RA:%.*]] = insertelement <4 x float> zeroinitializer, float [[TMP9]], i32 0 423; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1 424; CHECK-NEXT: [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP10]], i32 1 425; CHECK-NEXT: ret <4 x float> [[RB]] 426; 427 %c0 = extractelement <4 x i32> %c, i32 0 428 %c1 = extractelement <4 x i32> %c, i32 1 429 %a0 = extractelement <4 x float> %a, i32 0 430 %a1 = extractelement <4 x float> %a, i32 1 431 %b0 = extractelement <4 x float> %b, i32 0 432 %b1 = extractelement <4 x float> %b, i32 1 433 %1 = insertelement <2 x i32> zeroinitializer, i32 %c0, i32 0 434 %2 = insertelement <2 x i32> %1, i32 %c1, i32 1 435 %3 = icmp ne <2 x i32> %2, zeroinitializer 436 %4 = insertelement <2 x float> zeroinitializer, float %a0, i32 0 437 %5 = insertelement <2 x float> %4, float %a1, i32 1 438 %6 = insertelement <2 x float> zeroinitializer, float %b0, i32 0 439 %7 = insertelement <2 x float> %6, float %b1, i32 1 440 %8 = select <2 x i1> %3, <2 x float> %5, <2 x float> %7 441 %9 = extractelement <2 x float> %8, i32 0 442 %ra = insertelement <4 x float> zeroinitializer, float %9, i32 0 443 %10 = extractelement <2 x float> %8, i32 1 444 %rb = insertelement <4 x float> %ra, float %10, i32 1 445 ret <4 x float> %rb 446} 447 448; Make sure that vectorization happens even if insertelements operations 449; must be rescheduled. The case here is from compiling Julia. 450define <4 x float> @reschedule_extract(<4 x float> %a, <4 x float> %b) { 451; CHECK-LABEL: @reschedule_extract( 452; CHECK-NEXT: [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]] 453; CHECK-NEXT: ret <4 x float> [[TMP1]] 454; 455 %a0 = extractelement <4 x float> %a, i32 0 456 %b0 = extractelement <4 x float> %b, i32 0 457 %c0 = fadd float %a0, %b0 458 %v0 = insertelement <4 x float> zeroinitializer, float %c0, i32 0 459 %a1 = extractelement <4 x float> %a, i32 1 460 %b1 = extractelement <4 x float> %b, i32 1 461 %c1 = fadd float %a1, %b1 462 %v1 = insertelement <4 x float> %v0, float %c1, i32 1 463 %a2 = extractelement <4 x float> %a, i32 2 464 %b2 = extractelement <4 x float> %b, i32 2 465 %c2 = fadd float %a2, %b2 466 %v2 = insertelement <4 x float> %v1, float %c2, i32 2 467 %a3 = extractelement <4 x float> %a, i32 3 468 %b3 = extractelement <4 x float> %b, i32 3 469 %c3 = fadd float %a3, %b3 470 %v3 = insertelement <4 x float> %v2, float %c3, i32 3 471 ret <4 x float> %v3 472} 473 474; Check that cost model for vectorization takes credit for 475; instructions that are erased. 476define <4 x float> @take_credit(<4 x float> %a, <4 x float> %b) { 477; CHECK-LABEL: @take_credit( 478; CHECK-NEXT: [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]] 479; CHECK-NEXT: ret <4 x float> [[TMP1]] 480; 481 %a0 = extractelement <4 x float> %a, i32 0 482 %b0 = extractelement <4 x float> %b, i32 0 483 %c0 = fadd float %a0, %b0 484 %a1 = extractelement <4 x float> %a, i32 1 485 %b1 = extractelement <4 x float> %b, i32 1 486 %c1 = fadd float %a1, %b1 487 %a2 = extractelement <4 x float> %a, i32 2 488 %b2 = extractelement <4 x float> %b, i32 2 489 %c2 = fadd float %a2, %b2 490 %a3 = extractelement <4 x float> %a, i32 3 491 %b3 = extractelement <4 x float> %b, i32 3 492 %c3 = fadd float %a3, %b3 493 %v0 = insertelement <4 x float> zeroinitializer, float %c0, i32 0 494 %v1 = insertelement <4 x float> %v0, float %c1, i32 1 495 %v2 = insertelement <4 x float> %v1, float %c2, i32 2 496 %v3 = insertelement <4 x float> %v2, float %c3, i32 3 497 ret <4 x float> %v3 498} 499 500; Make sure we handle multiple trees that feed one build vector correctly. 501define <4 x double> @multi_tree(double %w, double %x, double %y, double %z) { 502; CHECK-LABEL: @multi_tree( 503; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x double> poison, double [[Z:%.*]], i32 0 504; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x double> [[TMP1]], double [[Y:%.*]], i32 1 505; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x double> [[TMP2]], double [[X:%.*]], i32 2 506; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x double> [[TMP3]], double [[W:%.*]], i32 3 507; CHECK-NEXT: [[TMP5:%.*]] = fadd <4 x double> [[TMP4]], <double 3.000000e+00, double 2.000000e+00, double 1.000000e+00, double 0.000000e+00> 508; CHECK-NEXT: [[TMP6:%.*]] = fmul <4 x double> [[TMP5]], splat (double 1.000000e+00) 509; CHECK-NEXT: ret <4 x double> [[TMP6]] 510; 511 %t0 = fadd double %w , 0.000000e+00 512 %t1 = fadd double %x , 1.000000e+00 513 %t2 = fadd double %y , 2.000000e+00 514 %t3 = fadd double %z , 3.000000e+00 515 %t4 = fmul double %t0, 1.000000e+00 516 %i1 = insertelement <4 x double> zeroinitializer, double %t4, i32 3 517 %t5 = fmul double %t1, 1.000000e+00 518 %i2 = insertelement <4 x double> %i1, double %t5, i32 2 519 %t6 = fmul double %t2, 1.000000e+00 520 %i3 = insertelement <4 x double> %i2, double %t6, i32 1 521 %t7 = fmul double %t3, 1.000000e+00 522 %i4 = insertelement <4 x double> %i3, double %t7, i32 0 523 ret <4 x double> %i4 524} 525 526define <8 x float> @_vadd256(<8 x float> %a, <8 x float> %b) local_unnamed_addr #0 { 527; CHECK-LABEL: @_vadd256( 528; CHECK-NEXT: [[TMP1:%.*]] = fadd <8 x float> [[A:%.*]], [[B:%.*]] 529; CHECK-NEXT: ret <8 x float> [[TMP1]] 530; 531 %vecext = extractelement <8 x float> %a, i32 0 532 %vecext1 = extractelement <8 x float> %b, i32 0 533 %add = fadd float %vecext, %vecext1 534 %vecext2 = extractelement <8 x float> %a, i32 1 535 %vecext3 = extractelement <8 x float> %b, i32 1 536 %add4 = fadd float %vecext2, %vecext3 537 %vecext5 = extractelement <8 x float> %a, i32 2 538 %vecext6 = extractelement <8 x float> %b, i32 2 539 %add7 = fadd float %vecext5, %vecext6 540 %vecext8 = extractelement <8 x float> %a, i32 3 541 %vecext9 = extractelement <8 x float> %b, i32 3 542 %add10 = fadd float %vecext8, %vecext9 543 %vecext11 = extractelement <8 x float> %a, i32 4 544 %vecext12 = extractelement <8 x float> %b, i32 4 545 %add13 = fadd float %vecext11, %vecext12 546 %vecext14 = extractelement <8 x float> %a, i32 5 547 %vecext15 = extractelement <8 x float> %b, i32 5 548 %add16 = fadd float %vecext14, %vecext15 549 %vecext17 = extractelement <8 x float> %a, i32 6 550 %vecext18 = extractelement <8 x float> %b, i32 6 551 %add19 = fadd float %vecext17, %vecext18 552 %vecext20 = extractelement <8 x float> %a, i32 7 553 %vecext21 = extractelement <8 x float> %b, i32 7 554 %add22 = fadd float %vecext20, %vecext21 555 %vecinit.i = insertelement <8 x float> zeroinitializer, float %add, i32 0 556 %vecinit1.i = insertelement <8 x float> %vecinit.i, float %add4, i32 1 557 %vecinit2.i = insertelement <8 x float> %vecinit1.i, float %add7, i32 2 558 %vecinit3.i = insertelement <8 x float> %vecinit2.i, float %add10, i32 3 559 %vecinit4.i = insertelement <8 x float> %vecinit3.i, float %add13, i32 4 560 %vecinit5.i = insertelement <8 x float> %vecinit4.i, float %add16, i32 5 561 %vecinit6.i = insertelement <8 x float> %vecinit5.i, float %add19, i32 6 562 %vecinit7.i = insertelement <8 x float> %vecinit6.i, float %add22, i32 7 563 ret <8 x float> %vecinit7.i 564} 565 566attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 567