| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -passes=loop-vectorize -force-vector-width=2 -opaque-pointers < %s | FileCheck %s |
| |
| ; TODO: This still crashes with inbounds on the GEPs. |
| define void @test(ptr %p1.start, ptr %p2.start, ptr %p1.end) { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[P1:%.*]] = phi ptr [ [[P1_START:%.*]], [[ENTRY:%.*]] ], [ [[P1_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[P2:%.*]] = phi ptr [ [[P2_START:%.*]], [[ENTRY]] ], [ [[P2_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[P1_VAL:%.*]] = load float, ptr [[P1]], align 4 |
| ; CHECK-NEXT: [[P2_VAL:%.*]] = load float, ptr [[P2]], align 4 |
| ; CHECK-NEXT: [[SUM:%.*]] = fadd float [[P1_VAL]], [[P2_VAL]] |
| ; CHECK-NEXT: store float [[SUM]], ptr [[P1]], align 4 |
| ; CHECK-NEXT: [[P1_NEXT]] = getelementptr float, ptr [[P1]], i64 1 |
| ; CHECK-NEXT: [[P2_NEXT]] = getelementptr float, ptr [[P2]], i64 1 |
| ; CHECK-NEXT: [[C:%.*]] = icmp ne ptr [[P1_NEXT]], [[P1_END:%.*]] |
| ; CHECK-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT:%.*]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %p1 = phi ptr [ %p1.start, %entry ], [ %p1.next, %loop ] |
| %p2 = phi ptr [ %p2.start, %entry ], [ %p2.next, %loop ] |
| %p1.val = load float, ptr %p1 |
| %p2.val = load float, ptr %p2 |
| %sum = fadd float %p1.val, %p2.val |
| store float %sum, ptr %p1 |
| %p1.next = getelementptr float, ptr %p1, i64 1 |
| %p2.next = getelementptr float, ptr %p2, i64 1 |
| %c = icmp ne ptr %p1.next, %p1.end |
| br i1 %c, label %loop, label %exit |
| |
| exit: |
| ret void |
| } |
| |
| define void @store_pointer_induction(ptr %start, ptr %end) { |
| ; CHECK-LABEL: @store_pointer_induction( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[START2:%.*]] = ptrtoint ptr [[START:%.*]] to i64 |
| ; CHECK-NEXT: [[END1:%.*]] = ptrtoint ptr [[END:%.*]] to i64 |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[END1]], -8 |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i64 [[TMP0]], [[START2]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 3 |
| ; CHECK-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1 |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP3]], 2 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP3]], 2 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP3]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[N_VEC]], 8 |
| ; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP4]] |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[INDEX]], 0 |
| ; CHECK-NEXT: [[TMP6:%.*]] = mul i64 [[TMP5]], 8 |
| ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP6]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = add i64 [[INDEX]], 1 |
| ; CHECK-NEXT: [[TMP8:%.*]] = mul i64 [[TMP7]], 8 |
| ; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, ptr [[START]], i64 [[TMP8]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x ptr> poison, ptr [[NEXT_GEP]], i32 0 |
| ; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x ptr> [[TMP9]], ptr [[NEXT_GEP3]], i32 1 |
| ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr ptr, ptr [[NEXT_GEP]], i32 0 |
| ; CHECK-NEXT: store <2 x ptr> [[TMP10]], ptr [[TMP11]], align 4 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2 |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP3]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] |
| ; CHECK: scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[START]], [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[IV:%.*]] = phi ptr [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: store ptr [[IV]], ptr [[IV]], align 4 |
| ; CHECK-NEXT: [[IV_NEXT]] = getelementptr inbounds ptr, ptr [[IV]], i32 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq ptr [[IV_NEXT]], [[END]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %iv = phi ptr [ %start, %entry ], [ %iv.next, %loop ] |
| store ptr %iv, ptr %iv, align 4 |
| %iv.next = getelementptr inbounds ptr, ptr %iv, i32 1 |
| %exitcond = icmp eq ptr %iv.next, %end |
| br i1 %exitcond, label %exit, label %loop |
| |
| exit: |
| ret void |
| } |