1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -O3 -mtriple=arm-none-none-eabi -mcpu=cortex-m33 < %s | FileCheck %s --check-prefixes=CHECK-LE 3; RUN: llc -O3 -mtriple=armeb-none-none-eabi -mcpu=cortex-m33 < %s | FileCheck %s --check-prefixes=CHECK-BE 4 5define i32 @add_user(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { 6; CHECK-LE-LABEL: add_user: 7; CHECK-LE: @ %bb.0: @ %entry 8; CHECK-LE-NEXT: .save {r4, lr} 9; CHECK-LE-NEXT: push {r4, lr} 10; CHECK-LE-NEXT: cmp r0, #1 11; CHECK-LE-NEXT: blt .LBB0_4 12; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader 13; CHECK-LE-NEXT: subs r2, #2 14; CHECK-LE-NEXT: subs r3, #2 15; CHECK-LE-NEXT: mov.w r12, #0 16; CHECK-LE-NEXT: movs r1, #0 17; CHECK-LE-NEXT: .p2align 2 18; CHECK-LE-NEXT: .LBB0_2: @ %for.body 19; CHECK-LE-NEXT: @ =>This Inner Loop Header: Depth=1 20; CHECK-LE-NEXT: ldr lr, [r3, #2]! 21; CHECK-LE-NEXT: ldr r4, [r2, #2]! 22; CHECK-LE-NEXT: subs r0, #1 23; CHECK-LE-NEXT: smlad r12, r4, lr, r12 24; CHECK-LE-NEXT: sxtah r1, r1, lr 25; CHECK-LE-NEXT: bne .LBB0_2 26; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup 27; CHECK-LE-NEXT: add.w r0, r12, r1 28; CHECK-LE-NEXT: pop {r4, pc} 29; CHECK-LE-NEXT: .p2align 2 30; CHECK-LE-NEXT: .LBB0_4: 31; CHECK-LE-NEXT: mov.w r12, #0 32; CHECK-LE-NEXT: movs r1, #0 33; CHECK-LE-NEXT: add.w r0, r12, r1 34; CHECK-LE-NEXT: pop {r4, pc} 35; 36; CHECK-BE-LABEL: add_user: 37; CHECK-BE: @ %bb.0: @ %entry 38; CHECK-BE-NEXT: .save {r4, r5, r6, lr} 39; CHECK-BE-NEXT: push {r4, r5, r6, lr} 40; CHECK-BE-NEXT: cmp r0, #1 41; CHECK-BE-NEXT: blt .LBB0_4 42; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader 43; CHECK-BE-NEXT: subs r2, #2 44; CHECK-BE-NEXT: subs r3, #2 45; CHECK-BE-NEXT: mov.w r12, #0 46; CHECK-BE-NEXT: movs r1, #0 47; CHECK-BE-NEXT: .p2align 2 48; CHECK-BE-NEXT: .LBB0_2: @ %for.body 49; CHECK-BE-NEXT: @ =>This Inner Loop Header: Depth=1 50; CHECK-BE-NEXT: ldrsh lr, [r3, #2]! 51; CHECK-BE-NEXT: ldrsh r5, [r2, #2]! 52; CHECK-BE-NEXT: ldrsh.w r4, [r3, #2] 53; CHECK-BE-NEXT: ldrsh.w r6, [r2, #2] 54; CHECK-BE-NEXT: smlabb r5, r5, lr, r12 55; CHECK-BE-NEXT: add r1, lr 56; CHECK-BE-NEXT: subs r0, #1 57; CHECK-BE-NEXT: smlabb r12, r6, r4, r5 58; CHECK-BE-NEXT: bne .LBB0_2 59; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup 60; CHECK-BE-NEXT: add.w r0, r12, r1 61; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 62; CHECK-BE-NEXT: .p2align 2 63; CHECK-BE-NEXT: .LBB0_4: 64; CHECK-BE-NEXT: mov.w r12, #0 65; CHECK-BE-NEXT: movs r1, #0 66; CHECK-BE-NEXT: add.w r0, r12, r1 67; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 68entry: 69 %cmp24 = icmp sgt i32 %arg, 0 70 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup 71 72for.body.preheader: 73 %.pre = load i16, i16* %arg3, align 2 74 %.pre27 = load i16, i16* %arg2, align 2 75 br label %for.body 76 77for.cond.cleanup: 78 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ] 79 %count.final = phi i32 [ 0, %entry ], [ %count.next, %for.body ] 80 %res = add i32 %mac1.0.lcssa, %count.final 81 ret i32 %res 82 83for.body: 84 %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ] 85 %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] 86 %count = phi i32 [ %count.next, %for.body ], [ 0, %for.body.preheader ] 87 %arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025 88 %0 = load i16, i16* %arrayidx, align 2 89 %add = add nuw nsw i32 %i.025, 1 90 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add 91 %1 = load i16, i16* %arrayidx1, align 2 92 %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025 93 %2 = load i16, i16* %arrayidx3, align 2 94 %conv = sext i16 %2 to i32 95 %conv4 = sext i16 %0 to i32 96 %count.next = add i32 %conv4, %count 97 %mul = mul nsw i32 %conv, %conv4 98 %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add 99 %3 = load i16, i16* %arrayidx6, align 2 100 %conv7 = sext i16 %3 to i32 101 %conv8 = sext i16 %1 to i32 102 %mul9 = mul nsw i32 %conv7, %conv8 103 %add10 = add i32 %mul, %mac1.026 104 %add11 = add i32 %mul9, %add10 105 %exitcond = icmp ne i32 %add, %arg 106 br i1 %exitcond, label %for.body, label %for.cond.cleanup 107} 108 109define i32 @mul_bottom_user(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { 110; CHECK-LE-LABEL: mul_bottom_user: 111; CHECK-LE: @ %bb.0: @ %entry 112; CHECK-LE-NEXT: .save {r4, r5, r7, lr} 113; CHECK-LE-NEXT: push {r4, r5, r7, lr} 114; CHECK-LE-NEXT: cmp r0, #1 115; CHECK-LE-NEXT: blt .LBB1_4 116; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader 117; CHECK-LE-NEXT: sub.w lr, r2, #2 118; CHECK-LE-NEXT: subs r3, #2 119; CHECK-LE-NEXT: mov.w r12, #0 120; CHECK-LE-NEXT: movs r1, #0 121; CHECK-LE-NEXT: .p2align 2 122; CHECK-LE-NEXT: .LBB1_2: @ %for.body 123; CHECK-LE-NEXT: @ =>This Inner Loop Header: Depth=1 124; CHECK-LE-NEXT: ldr r2, [r3, #2]! 125; CHECK-LE-NEXT: ldr r4, [lr, #2]! 126; CHECK-LE-NEXT: sxth r5, r2 127; CHECK-LE-NEXT: smlad r12, r4, r2, r12 128; CHECK-LE-NEXT: subs r0, #1 129; CHECK-LE-NEXT: mul r1, r5, r1 130; CHECK-LE-NEXT: bne .LBB1_2 131; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup 132; CHECK-LE-NEXT: add.w r0, r12, r1 133; CHECK-LE-NEXT: pop {r4, r5, r7, pc} 134; CHECK-LE-NEXT: .p2align 2 135; CHECK-LE-NEXT: .LBB1_4: 136; CHECK-LE-NEXT: mov.w r12, #0 137; CHECK-LE-NEXT: movs r1, #0 138; CHECK-LE-NEXT: add.w r0, r12, r1 139; CHECK-LE-NEXT: pop {r4, r5, r7, pc} 140; 141; CHECK-BE-LABEL: mul_bottom_user: 142; CHECK-BE: @ %bb.0: @ %entry 143; CHECK-BE-NEXT: .save {r4, r5, r6, lr} 144; CHECK-BE-NEXT: push {r4, r5, r6, lr} 145; CHECK-BE-NEXT: cmp r0, #1 146; CHECK-BE-NEXT: blt .LBB1_4 147; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader 148; CHECK-BE-NEXT: subs r2, #2 149; CHECK-BE-NEXT: subs r3, #2 150; CHECK-BE-NEXT: mov.w r12, #0 151; CHECK-BE-NEXT: movs r1, #0 152; CHECK-BE-NEXT: .p2align 2 153; CHECK-BE-NEXT: .LBB1_2: @ %for.body 154; CHECK-BE-NEXT: @ =>This Inner Loop Header: Depth=1 155; CHECK-BE-NEXT: ldrsh lr, [r3, #2]! 156; CHECK-BE-NEXT: ldrsh r4, [r2, #2]! 157; CHECK-BE-NEXT: ldrsh.w r5, [r3, #2] 158; CHECK-BE-NEXT: ldrsh.w r6, [r2, #2] 159; CHECK-BE-NEXT: smlabb r4, r4, lr, r12 160; CHECK-BE-NEXT: smlabb r12, r6, r5, r4 161; CHECK-BE-NEXT: subs r0, #1 162; CHECK-BE-NEXT: mul r1, lr, r1 163; CHECK-BE-NEXT: bne .LBB1_2 164; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup 165; CHECK-BE-NEXT: add.w r0, r12, r1 166; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 167; CHECK-BE-NEXT: .p2align 2 168; CHECK-BE-NEXT: .LBB1_4: 169; CHECK-BE-NEXT: mov.w r12, #0 170; CHECK-BE-NEXT: movs r1, #0 171; CHECK-BE-NEXT: add.w r0, r12, r1 172; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 173entry: 174 %cmp24 = icmp sgt i32 %arg, 0 175 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup 176 177for.body.preheader: 178 %.pre = load i16, i16* %arg3, align 2 179 %.pre27 = load i16, i16* %arg2, align 2 180 br label %for.body 181 182for.cond.cleanup: 183 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ] 184 %count.final = phi i32 [ 0, %entry ], [ %count.next, %for.body ] 185 %res = add i32 %mac1.0.lcssa, %count.final 186 ret i32 %res 187 188for.body: 189 %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ] 190 %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] 191 %count = phi i32 [ %count.next, %for.body ], [ 0, %for.body.preheader ] 192 %arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025 193 %0 = load i16, i16* %arrayidx, align 2 194 %add = add nuw nsw i32 %i.025, 1 195 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add 196 %1 = load i16, i16* %arrayidx1, align 2 197 %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025 198 %2 = load i16, i16* %arrayidx3, align 2 199 %conv = sext i16 %2 to i32 200 %conv4 = sext i16 %0 to i32 201 %mul = mul nsw i32 %conv, %conv4 202 %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add 203 %3 = load i16, i16* %arrayidx6, align 2 204 %conv7 = sext i16 %3 to i32 205 %conv8 = sext i16 %1 to i32 206 %mul9 = mul nsw i32 %conv7, %conv8 207 %add10 = add i32 %mul, %mac1.026 208 %add11 = add i32 %mul9, %add10 209 %count.next = mul i32 %conv4, %count 210 %exitcond = icmp ne i32 %add, %arg 211 br i1 %exitcond, label %for.body, label %for.cond.cleanup 212} 213 214define i32 @mul_top_user(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { 215; CHECK-LE-LABEL: mul_top_user: 216; CHECK-LE: @ %bb.0: @ %entry 217; CHECK-LE-NEXT: .save {r4, lr} 218; CHECK-LE-NEXT: push {r4, lr} 219; CHECK-LE-NEXT: cmp r0, #1 220; CHECK-LE-NEXT: blt .LBB2_4 221; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader 222; CHECK-LE-NEXT: subs r2, #2 223; CHECK-LE-NEXT: subs r3, #2 224; CHECK-LE-NEXT: mov.w r12, #0 225; CHECK-LE-NEXT: movs r1, #0 226; CHECK-LE-NEXT: .p2align 2 227; CHECK-LE-NEXT: .LBB2_2: @ %for.body 228; CHECK-LE-NEXT: @ =>This Inner Loop Header: Depth=1 229; CHECK-LE-NEXT: ldr lr, [r3, #2]! 230; CHECK-LE-NEXT: ldr r4, [r2, #2]! 231; CHECK-LE-NEXT: subs r0, #1 232; CHECK-LE-NEXT: smlad r12, r4, lr, r12 233; CHECK-LE-NEXT: asr.w r4, r4, #16 234; CHECK-LE-NEXT: mul r1, r4, r1 235; CHECK-LE-NEXT: bne .LBB2_2 236; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup 237; CHECK-LE-NEXT: add.w r0, r12, r1 238; CHECK-LE-NEXT: pop {r4, pc} 239; CHECK-LE-NEXT: .p2align 2 240; CHECK-LE-NEXT: .LBB2_4: 241; CHECK-LE-NEXT: mov.w r12, #0 242; CHECK-LE-NEXT: movs r1, #0 243; CHECK-LE-NEXT: add.w r0, r12, r1 244; CHECK-LE-NEXT: pop {r4, pc} 245; 246; CHECK-BE-LABEL: mul_top_user: 247; CHECK-BE: @ %bb.0: @ %entry 248; CHECK-BE-NEXT: .save {r4, r5, r6, lr} 249; CHECK-BE-NEXT: push {r4, r5, r6, lr} 250; CHECK-BE-NEXT: cmp r0, #1 251; CHECK-BE-NEXT: blt .LBB2_4 252; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader 253; CHECK-BE-NEXT: subs r2, #2 254; CHECK-BE-NEXT: subs r3, #2 255; CHECK-BE-NEXT: mov.w r12, #0 256; CHECK-BE-NEXT: movs r1, #0 257; CHECK-BE-NEXT: .p2align 2 258; CHECK-BE-NEXT: .LBB2_2: @ %for.body 259; CHECK-BE-NEXT: @ =>This Inner Loop Header: Depth=1 260; CHECK-BE-NEXT: ldrsh lr, [r3, #2]! 261; CHECK-BE-NEXT: ldrsh r4, [r2, #2]! 262; CHECK-BE-NEXT: ldrsh.w r5, [r3, #2] 263; CHECK-BE-NEXT: ldrsh.w r6, [r2, #2] 264; CHECK-BE-NEXT: smlabb r4, r4, lr, r12 265; CHECK-BE-NEXT: smlabb r12, r6, r5, r4 266; CHECK-BE-NEXT: subs r0, #1 267; CHECK-BE-NEXT: mul r1, r6, r1 268; CHECK-BE-NEXT: bne .LBB2_2 269; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup 270; CHECK-BE-NEXT: add.w r0, r12, r1 271; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 272; CHECK-BE-NEXT: .p2align 2 273; CHECK-BE-NEXT: .LBB2_4: 274; CHECK-BE-NEXT: mov.w r12, #0 275; CHECK-BE-NEXT: movs r1, #0 276; CHECK-BE-NEXT: add.w r0, r12, r1 277; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 278entry: 279 %cmp24 = icmp sgt i32 %arg, 0 280 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup 281 282for.body.preheader: 283 %.pre = load i16, i16* %arg3, align 2 284 %.pre27 = load i16, i16* %arg2, align 2 285 br label %for.body 286 287for.cond.cleanup: 288 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ] 289 %count.final = phi i32 [ 0, %entry ], [ %count.next, %for.body ] 290 %res = add i32 %mac1.0.lcssa, %count.final 291 ret i32 %res 292 293for.body: 294 %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ] 295 %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] 296 %count = phi i32 [ %count.next, %for.body ], [ 0, %for.body.preheader ] 297 %arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025 298 %0 = load i16, i16* %arrayidx, align 2 299 %add = add nuw nsw i32 %i.025, 1 300 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add 301 %1 = load i16, i16* %arrayidx1, align 2 302 %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025 303 %2 = load i16, i16* %arrayidx3, align 2 304 %conv = sext i16 %2 to i32 305 %conv4 = sext i16 %0 to i32 306 %mul = mul nsw i32 %conv, %conv4 307 %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add 308 %3 = load i16, i16* %arrayidx6, align 2 309 %conv7 = sext i16 %3 to i32 310 %conv8 = sext i16 %1 to i32 311 %mul9 = mul nsw i32 %conv7, %conv8 312 %add10 = add i32 %mul, %mac1.026 313 %add11 = add i32 %mul9, %add10 314 %count.next = mul i32 %conv7, %count 315 %exitcond = icmp ne i32 %add, %arg 316 br i1 %exitcond, label %for.body, label %for.cond.cleanup 317} 318 319define i32 @and_user(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { 320; CHECK-LE-LABEL: and_user: 321; CHECK-LE: @ %bb.0: @ %entry 322; CHECK-LE-NEXT: .save {r4, lr} 323; CHECK-LE-NEXT: push {r4, lr} 324; CHECK-LE-NEXT: cmp r0, #1 325; CHECK-LE-NEXT: blt .LBB3_4 326; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader 327; CHECK-LE-NEXT: sub.w lr, r2, #2 328; CHECK-LE-NEXT: subs r3, #2 329; CHECK-LE-NEXT: mov.w r12, #0 330; CHECK-LE-NEXT: movs r1, #0 331; CHECK-LE-NEXT: .p2align 2 332; CHECK-LE-NEXT: .LBB3_2: @ %for.body 333; CHECK-LE-NEXT: @ =>This Inner Loop Header: Depth=1 334; CHECK-LE-NEXT: ldr r2, [r3, #2]! 335; CHECK-LE-NEXT: ldr r4, [lr, #2]! 336; CHECK-LE-NEXT: subs r0, #1 337; CHECK-LE-NEXT: smlad r12, r4, r2, r12 338; CHECK-LE-NEXT: uxth r2, r2 339; CHECK-LE-NEXT: mul r1, r2, r1 340; CHECK-LE-NEXT: bne .LBB3_2 341; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup 342; CHECK-LE-NEXT: add.w r0, r12, r1 343; CHECK-LE-NEXT: pop {r4, pc} 344; CHECK-LE-NEXT: .p2align 2 345; CHECK-LE-NEXT: .LBB3_4: 346; CHECK-LE-NEXT: mov.w r12, #0 347; CHECK-LE-NEXT: movs r1, #0 348; CHECK-LE-NEXT: add.w r0, r12, r1 349; CHECK-LE-NEXT: pop {r4, pc} 350; 351; CHECK-BE-LABEL: and_user: 352; CHECK-BE: @ %bb.0: @ %entry 353; CHECK-BE-NEXT: .save {r4, r5, r6, lr} 354; CHECK-BE-NEXT: push {r4, r5, r6, lr} 355; CHECK-BE-NEXT: cmp r0, #1 356; CHECK-BE-NEXT: blt .LBB3_4 357; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader 358; CHECK-BE-NEXT: subs r2, #2 359; CHECK-BE-NEXT: subs r3, #2 360; CHECK-BE-NEXT: mov.w r12, #0 361; CHECK-BE-NEXT: movs r1, #0 362; CHECK-BE-NEXT: .p2align 2 363; CHECK-BE-NEXT: .LBB3_2: @ %for.body 364; CHECK-BE-NEXT: @ =>This Inner Loop Header: Depth=1 365; CHECK-BE-NEXT: ldrh lr, [r3, #2]! 366; CHECK-BE-NEXT: ldrsh r4, [r2, #2]! 367; CHECK-BE-NEXT: ldrsh.w r5, [r3, #2] 368; CHECK-BE-NEXT: ldrsh.w r6, [r2, #2] 369; CHECK-BE-NEXT: smlabb r4, r4, lr, r12 370; CHECK-BE-NEXT: smlabb r12, r6, r5, r4 371; CHECK-BE-NEXT: subs r0, #1 372; CHECK-BE-NEXT: mul r1, lr, r1 373; CHECK-BE-NEXT: bne .LBB3_2 374; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup 375; CHECK-BE-NEXT: add.w r0, r12, r1 376; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 377; CHECK-BE-NEXT: .p2align 2 378; CHECK-BE-NEXT: .LBB3_4: 379; CHECK-BE-NEXT: mov.w r12, #0 380; CHECK-BE-NEXT: movs r1, #0 381; CHECK-BE-NEXT: add.w r0, r12, r1 382; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 383entry: 384 %cmp24 = icmp sgt i32 %arg, 0 385 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup 386 387for.body.preheader: 388 %.pre = load i16, i16* %arg3, align 2 389 %.pre27 = load i16, i16* %arg2, align 2 390 br label %for.body 391 392for.cond.cleanup: 393 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ] 394 %count.final = phi i32 [ 0, %entry ], [ %count.next, %for.body ] 395 %res = add i32 %mac1.0.lcssa, %count.final 396 ret i32 %res 397 398for.body: 399 %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ] 400 %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] 401 %count = phi i32 [ %count.next, %for.body ], [ 0, %for.body.preheader ] 402 %arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025 403 %0 = load i16, i16* %arrayidx, align 2 404 %add = add nuw nsw i32 %i.025, 1 405 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add 406 %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025 407 %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add 408 %1 = load i16, i16* %arrayidx1, align 2 409 %2 = load i16, i16* %arrayidx3, align 2 410 %conv = sext i16 %2 to i32 411 %conv4 = sext i16 %0 to i32 412 %bottom = and i32 %conv4, 65535 413 %mul = mul nsw i32 %conv, %conv4 414 %3 = load i16, i16* %arrayidx6, align 2 415 %conv7 = sext i16 %3 to i32 416 %conv8 = sext i16 %1 to i32 417 %mul9 = mul nsw i32 %conv7, %conv8 418 %add10 = add i32 %mul, %mac1.026 419 %add11 = add i32 %mul9, %add10 420 %count.next = mul i32 %bottom, %count 421 %exitcond = icmp ne i32 %add, %arg 422 br i1 %exitcond, label %for.body, label %for.cond.cleanup 423} 424 425define i32 @multi_uses(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) { 426; CHECK-LE-LABEL: multi_uses: 427; CHECK-LE: @ %bb.0: @ %entry 428; CHECK-LE-NEXT: .save {r4, lr} 429; CHECK-LE-NEXT: push {r4, lr} 430; CHECK-LE-NEXT: cmp r0, #1 431; CHECK-LE-NEXT: blt .LBB4_4 432; CHECK-LE-NEXT: @ %bb.1: @ %for.body.preheader 433; CHECK-LE-NEXT: subs r2, #2 434; CHECK-LE-NEXT: subs r3, #2 435; CHECK-LE-NEXT: mov.w lr, #0 436; CHECK-LE-NEXT: mov.w r12, #0 437; CHECK-LE-NEXT: .p2align 2 438; CHECK-LE-NEXT: .LBB4_2: @ %for.body 439; CHECK-LE-NEXT: @ =>This Inner Loop Header: Depth=1 440; CHECK-LE-NEXT: ldr r1, [r3, #2]! 441; CHECK-LE-NEXT: ldr r4, [r2, #2]! 442; CHECK-LE-NEXT: subs r0, #1 443; CHECK-LE-NEXT: smlad lr, r4, r1, lr 444; CHECK-LE-NEXT: eor.w r4, r1, r12 445; CHECK-LE-NEXT: mul r1, r4, r1 446; CHECK-LE-NEXT: lsl.w r12, r1, #16 447; CHECK-LE-NEXT: bne .LBB4_2 448; CHECK-LE-NEXT: @ %bb.3: @ %for.cond.cleanup 449; CHECK-LE-NEXT: add.w r0, lr, r12 450; CHECK-LE-NEXT: pop {r4, pc} 451; CHECK-LE-NEXT: .p2align 2 452; CHECK-LE-NEXT: .LBB4_4: 453; CHECK-LE-NEXT: mov.w lr, #0 454; CHECK-LE-NEXT: mov.w r12, #0 455; CHECK-LE-NEXT: add.w r0, lr, r12 456; CHECK-LE-NEXT: pop {r4, pc} 457; 458; CHECK-BE-LABEL: multi_uses: 459; CHECK-BE: @ %bb.0: @ %entry 460; CHECK-BE-NEXT: .save {r4, r5, r6, lr} 461; CHECK-BE-NEXT: push {r4, r5, r6, lr} 462; CHECK-BE-NEXT: cmp r0, #1 463; CHECK-BE-NEXT: blt .LBB4_4 464; CHECK-BE-NEXT: @ %bb.1: @ %for.body.preheader 465; CHECK-BE-NEXT: subs r2, #2 466; CHECK-BE-NEXT: subs r3, #2 467; CHECK-BE-NEXT: mov.w r12, #0 468; CHECK-BE-NEXT: mov.w lr, #0 469; CHECK-BE-NEXT: .p2align 2 470; CHECK-BE-NEXT: .LBB4_2: @ %for.body 471; CHECK-BE-NEXT: @ =>This Inner Loop Header: Depth=1 472; CHECK-BE-NEXT: ldrsh r1, [r3, #2]! 473; CHECK-BE-NEXT: ldrsh r4, [r2, #2]! 474; CHECK-BE-NEXT: ldrsh.w r5, [r3, #2] 475; CHECK-BE-NEXT: ldrsh.w r6, [r2, #2] 476; CHECK-BE-NEXT: smlabb r4, r4, r1, r12 477; CHECK-BE-NEXT: smlabb r12, r6, r5, r4 478; CHECK-BE-NEXT: eor.w r6, r1, lr 479; CHECK-BE-NEXT: muls r1, r6, r1 480; CHECK-BE-NEXT: subs r0, #1 481; CHECK-BE-NEXT: lsl.w lr, r1, #16 482; CHECK-BE-NEXT: bne .LBB4_2 483; CHECK-BE-NEXT: @ %bb.3: @ %for.cond.cleanup 484; CHECK-BE-NEXT: add.w r0, r12, lr 485; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 486; CHECK-BE-NEXT: .p2align 2 487; CHECK-BE-NEXT: .LBB4_4: 488; CHECK-BE-NEXT: mov.w r12, #0 489; CHECK-BE-NEXT: mov.w lr, #0 490; CHECK-BE-NEXT: add.w r0, r12, lr 491; CHECK-BE-NEXT: pop {r4, r5, r6, pc} 492entry: 493 %cmp24 = icmp sgt i32 %arg, 0 494 br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup 495 496for.body.preheader: 497 %.pre = load i16, i16* %arg3, align 2 498 %.pre27 = load i16, i16* %arg2, align 2 499 br label %for.body 500 501for.cond.cleanup: 502 %mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ] 503 %count.final = phi i32 [ 0, %entry ], [ %count.next, %for.body ] 504 %res = add i32 %mac1.0.lcssa, %count.final 505 ret i32 %res 506 507for.body: 508 %mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ] 509 %i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] 510 %count = phi i32 [ %count.next, %for.body ], [ 0, %for.body.preheader ] 511 %arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025 512 %0 = load i16, i16* %arrayidx, align 2 513 %add = add nuw nsw i32 %i.025, 1 514 %arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add 515 %arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025 516 %arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add 517 %1 = load i16, i16* %arrayidx1, align 2 518 %2 = load i16, i16* %arrayidx3, align 2 519 %conv = sext i16 %2 to i32 520 %conv4 = sext i16 %0 to i32 521 %bottom = and i32 %conv4, 65535 522 %mul = mul nsw i32 %conv, %conv4 523 %3 = load i16, i16* %arrayidx6, align 2 524 %conv7 = sext i16 %3 to i32 525 %conv8 = sext i16 %1 to i32 526 %mul9 = mul nsw i32 %conv7, %conv8 527 %add10 = add i32 %mul, %mac1.026 528 %shl = shl i32 %conv4, 16 529 %add11 = add i32 %mul9, %add10 530 %xor = xor i32 %bottom, %count 531 %count.next = mul i32 %xor, %shl 532 %exitcond = icmp ne i32 %add, %arg 533 br i1 %exitcond, label %for.body, label %for.cond.cleanup 534} 535