| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=4 -pass-remarks='loop-vectorize' -disable-output -S 2>&1 | FileCheck %s --check-prefix=CHECK-REMARKS |
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=4 -S | FileCheck %s |
| |
| ; These tests are to check that fold-tail procedure produces correct scalar code when |
| ; loop-vectorization is only unrolling but not vectorizing. |
| |
| ; CHECK-REMARKS: remark: {{.*}} interleaved loop (interleaved count: 4) |
| ; CHECK-REMARKS-NEXT: remark: {{.*}} interleaved loop (interleaved count: 4) |
| ; CHECK-REMARKS-NOT: remark: {{.*}} vectorized loop |
| |
| define void @VF1-VPlanExe() { |
| ; CHECK-LABEL: @VF1-VPlanExe( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add i64 [[INDEX]], 0 |
| ; CHECK-NEXT: [[INDUCTION1:%.*]] = add i64 [[INDEX]], 1 |
| ; CHECK-NEXT: [[INDUCTION2:%.*]] = add i64 [[INDEX]], 2 |
| ; CHECK-NEXT: [[INDUCTION3:%.*]] = add i64 [[INDEX]], 3 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i64 [[INDEX_NEXT]], 16 |
| ; CHECK-NEXT: br i1 [[TMP0]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0 |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; CHECK: scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 16, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 15 |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop !2 |
| ; |
| entry: |
| br label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv.next, 15 |
| br i1 %exitcond, label %for.cond.cleanup, label %for.body |
| } |
| |
| define void @VF1-VPWidenCanonicalIVRecipeExe(double* %ptr1) { |
| ; CHECK-LABEL: @VF1-VPWidenCanonicalIVRecipeExe( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[PTR2:%.*]] = getelementptr inbounds double, double* [[PTR1:%.*]], i64 15 |
| ; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[IND_END:%.*]] = getelementptr double, double* [[PTR1]], i64 16 |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 |
| ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr double, double* [[PTR1]], i64 [[TMP0]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1 |
| ; CHECK-NEXT: [[NEXT_GEP1:%.*]] = getelementptr double, double* [[PTR1]], i64 [[TMP1]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2 |
| ; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr double, double* [[PTR1]], i64 [[TMP2]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3 |
| ; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr double, double* [[PTR1]], i64 [[TMP3]] |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], 16 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !3 |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]] |
| ; CHECK: scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi double* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PTR1]], [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[ADDR:%.*]] = phi double* [ [[PTR:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[PTR]] = getelementptr inbounds double, double* [[ADDR]], i64 1 |
| ; CHECK-NEXT: [[COND:%.*]] = icmp eq double* [[PTR]], [[PTR2]] |
| ; CHECK-NEXT: br i1 [[COND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop !4 |
| ; |
| entry: |
| %ptr2 = getelementptr inbounds double, double* %ptr1, i64 15 |
| br label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %addr = phi double* [ %ptr, %for.body ], [ %ptr1, %entry ] |
| %ptr = getelementptr inbounds double, double* %addr, i64 1 |
| %cond = icmp eq double* %ptr, %ptr2 |
| br i1 %cond, label %for.cond.cleanup, label %for.body |
| } |