1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv64 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -S | FileCheck %s --check-prefix=LMUL1 3; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv32 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -S | FileCheck %s --check-prefix=LMUL1 4; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv64 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -riscv-v-register-bit-width-lmul=2 -S | FileCheck %s --check-prefix=LMUL2 5; RUN: opt < %s -passes=loop-vectorize -force-target-max-vector-interleave=1 -mtriple=riscv32 -mattr=+v -riscv-v-vector-bits-min=128 -scalable-vectorization=off -riscv-v-register-bit-width-lmul=2 -S | FileCheck %s --check-prefix=LMUL2 6 7; Function Attrs: nounwind 8define ptr @array_add(ptr noalias nocapture readonly %a, ptr noalias nocapture readonly %b, ptr %c, i32 %size) { 9; LMUL1-LABEL: @array_add( 10; LMUL1-NEXT: entry: 11; LMUL1-NEXT: [[CMP10:%.*]] = icmp sgt i32 [[SIZE:%.*]], 0 12; LMUL1-NEXT: br i1 [[CMP10]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]] 13; LMUL1: for.body.preheader: 14; LMUL1-NEXT: [[TMP0:%.*]] = zext i32 [[SIZE]] to i64 15; LMUL1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 8 16; LMUL1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 17; LMUL1: vector.ph: 18; LMUL1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 8 19; LMUL1-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]] 20; LMUL1-NEXT: br label [[VECTOR_BODY:%.*]] 21; LMUL1: vector.body: 22; LMUL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 23; LMUL1-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0 24; LMUL1-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[TMP1]] 25; LMUL1-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 0 26; LMUL1-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i32>, ptr [[TMP3]], align 4 27; LMUL1-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP1]] 28; LMUL1-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i32 0 29; LMUL1-NEXT: [[WIDE_LOAD1:%.*]] = load <8 x i32>, ptr [[TMP5]], align 4 30; LMUL1-NEXT: [[TMP6:%.*]] = add nsw <8 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]] 31; LMUL1-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i64 [[TMP1]] 32; LMUL1-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP7]], i32 0 33; LMUL1-NEXT: store <8 x i32> [[TMP6]], ptr [[TMP8]], align 4 34; LMUL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 35; LMUL1-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 36; LMUL1-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 37; LMUL1: middle.block: 38; LMUL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]] 39; LMUL1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]] 40; LMUL1: scalar.ph: 41; LMUL1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ] 42; LMUL1-NEXT: br label [[FOR_BODY:%.*]] 43; LMUL1: for.body: 44; LMUL1-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 45; LMUL1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]] 46; LMUL1-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 47; LMUL1-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]] 48; LMUL1-NEXT: [[TMP11:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 49; LMUL1-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP11]], [[TMP10]] 50; LMUL1-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[INDVARS_IV]] 51; LMUL1-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX4]], align 4 52; LMUL1-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 53; LMUL1-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 54; LMUL1-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[SIZE]] 55; LMUL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 56; LMUL1: for.end.loopexit: 57; LMUL1-NEXT: br label [[FOR_END]] 58; LMUL1: for.end: 59; LMUL1-NEXT: ret ptr [[C]] 60; 61; LMUL2-LABEL: @array_add( 62; LMUL2-NEXT: entry: 63; LMUL2-NEXT: [[CMP10:%.*]] = icmp sgt i32 [[SIZE:%.*]], 0 64; LMUL2-NEXT: br i1 [[CMP10]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]] 65; LMUL2: for.body.preheader: 66; LMUL2-NEXT: [[TMP0:%.*]] = zext i32 [[SIZE]] to i64 67; LMUL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 8 68; LMUL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] 69; LMUL2: vector.ph: 70; LMUL2-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 8 71; LMUL2-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]] 72; LMUL2-NEXT: br label [[VECTOR_BODY:%.*]] 73; LMUL2: vector.body: 74; LMUL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 75; LMUL2-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0 76; LMUL2-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[TMP1]] 77; LMUL2-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i32 0 78; LMUL2-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i32>, ptr [[TMP3]], align 4 79; LMUL2-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP1]] 80; LMUL2-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i32 0 81; LMUL2-NEXT: [[WIDE_LOAD1:%.*]] = load <8 x i32>, ptr [[TMP5]], align 4 82; LMUL2-NEXT: [[TMP6:%.*]] = add nsw <8 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]] 83; LMUL2-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[C:%.*]], i64 [[TMP1]] 84; LMUL2-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP7]], i32 0 85; LMUL2-NEXT: store <8 x i32> [[TMP6]], ptr [[TMP8]], align 4 86; LMUL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8 87; LMUL2-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 88; LMUL2-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 89; LMUL2: middle.block: 90; LMUL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]] 91; LMUL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]] 92; LMUL2: scalar.ph: 93; LMUL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ] 94; LMUL2-NEXT: br label [[FOR_BODY:%.*]] 95; LMUL2: for.body: 96; LMUL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 97; LMUL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]] 98; LMUL2-NEXT: [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 99; LMUL2-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]] 100; LMUL2-NEXT: [[TMP11:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 101; LMUL2-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP11]], [[TMP10]] 102; LMUL2-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[INDVARS_IV]] 103; LMUL2-NEXT: store i32 [[ADD]], ptr [[ARRAYIDX4]], align 4 104; LMUL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 105; LMUL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 106; LMUL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[SIZE]] 107; LMUL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] 108; LMUL2: for.end.loopexit: 109; LMUL2-NEXT: br label [[FOR_END]] 110; LMUL2: for.end: 111; LMUL2-NEXT: ret ptr [[C]] 112; 113entry: 114 %cmp10 = icmp sgt i32 %size, 0 115 br i1 %cmp10, label %for.body.preheader, label %for.end 116 117for.body.preheader: ; preds = %entry 118 br label %for.body 119 120for.body: ; preds = %for.body.preheader, %for.body 121 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ] 122 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv 123 %0 = load i32, ptr %arrayidx, align 4 124 %arrayidx2 = getelementptr inbounds i32, ptr %b, i64 %indvars.iv 125 %1 = load i32, ptr %arrayidx2, align 4 126 %add = add nsw i32 %1, %0 127 %arrayidx4 = getelementptr inbounds i32, ptr %c, i64 %indvars.iv 128 store i32 %add, ptr %arrayidx4, align 4 129 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 130 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 131 %exitcond = icmp eq i32 %lftr.wideiv, %size 132 br i1 %exitcond, label %for.end.loopexit, label %for.body 133 134for.end.loopexit: ; preds = %for.body 135 br label %for.end 136 137for.end: ; preds = %for.end.loopexit, %entry 138 ret ptr %c 139} 140