| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --version 6 |
| ; RUN: opt -S -passes=loop-vectorize -force-tail-folding-style=data-and-control -tail-folding-policy=must-fold-tail \ |
| ; RUN: -force-vector-width=1 -force-vector-interleave=4 %s | FileCheck %s |
| |
| define void @scalar_vf_single_iteration(ptr noalias %dst, ptr noalias %src) { |
| ; CHECK-LABEL: define void @scalar_vf_single_iteration( |
| ; CHECK-SAME: ptr noalias [[DST:%.*]], ptr noalias [[SRC:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: br label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE:.*]] |
| ; CHECK: [[PRED_STORE_CONTINUE]]: |
| ; CHECK-NEXT: [[TMP6:%.*]] = load i64, ptr [[SRC]], align 8 |
| ; CHECK-NEXT: [[TMP8:%.*]] = mul i64 [[TMP6]], 3 |
| ; CHECK-NEXT: store i64 [[TMP8]], ptr [[DST]], align 8 |
| ; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE5:.*]] |
| ; CHECK: [[PRED_STORE_CONTINUE5]]: |
| ; CHECK-NEXT: br label %[[PRED_STORE_IF6:.*]] |
| ; CHECK: [[PRED_STORE_IF6]]: |
| ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i64, ptr [[SRC]], i64 1 |
| ; CHECK-NEXT: [[TMP11:%.*]] = load i64, ptr [[TMP10]], align 8 |
| ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, ptr [[DST]], i64 1 |
| ; CHECK-NEXT: [[TMP13:%.*]] = mul i64 [[TMP11]], 3 |
| ; CHECK-NEXT: store i64 [[TMP13]], ptr [[TMP12]], align 8 |
| ; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE7:.*]] |
| ; CHECK: [[PRED_STORE_CONTINUE7]]: |
| ; CHECK-NEXT: br label %[[PRED_STORE_IF8:.*]] |
| ; CHECK: [[PRED_STORE_IF8]]: |
| ; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i64, ptr [[SRC]], i64 2 |
| ; CHECK-NEXT: [[TMP16:%.*]] = load i64, ptr [[TMP15]], align 8 |
| ; CHECK-NEXT: [[TMP17:%.*]] = getelementptr inbounds i64, ptr [[DST]], i64 2 |
| ; CHECK-NEXT: [[TMP18:%.*]] = mul i64 [[TMP16]], 3 |
| ; CHECK-NEXT: store i64 [[TMP18]], ptr [[TMP17]], align 8 |
| ; CHECK-NEXT: br label %[[PRED_STORE_CONTINUE9:.*]] |
| ; CHECK: [[PRED_STORE_CONTINUE9]]: |
| ; CHECK-NEXT: br label %[[EXIT:.*]] |
| ; CHECK: [[EXIT]]: |
| ; CHECK-NEXT: br label %[[MIDDLE_BLOCK:.*]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: br label %[[EXIT1:.*]] |
| ; CHECK: [[EXIT1]]: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| %p = getelementptr inbounds i64, ptr %src, i64 %iv |
| %l = load i64, ptr %p, align 8 |
| %m = mul i64 %l, 3 |
| %q = getelementptr inbounds i64, ptr %dst, i64 %iv |
| store i64 %m, ptr %q, align 8 |
| %iv.next = add nuw nsw i64 %iv, 1 |
| %ec = icmp eq i64 %iv.next, 3 |
| br i1 %ec, label %exit, label %loop |
| |
| exit: |
| ret void |
| } |
