| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| |
| |
| ; Function Attrs: nofree norecurse nounwind |
| define void @a(i8* readnone %b) { |
| ; CHECK-LABEL: @a( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[B1:%.*]] = ptrtoint i8* [[B:%.*]] to i64 |
| ; CHECK-NEXT: [[CMP_NOT4:%.*]] = icmp eq i8* [[B]], null |
| ; CHECK-NEXT: br i1 [[CMP_NOT4]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = sub i64 0, [[B1]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 4 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 4 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = mul i64 [[N_VEC]], -1 |
| ; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, i8* null, i64 [[TMP1]] |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE10:%.*]] ] |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0 |
| ; CHECK-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], -1 |
| ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, i8* null, i64 [[TMP3]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP]], i64 -1 |
| ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i32 0 |
| ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, i8* [[TMP5]], i32 -3 |
| ; CHECK-NEXT: [[TMP7:%.*]] = bitcast i8* [[TMP6]] to <4 x i8>* |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP7]], align 1 |
| ; CHECK-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i8> [[WIDE_LOAD]], <4 x i8> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0> |
| ; CHECK-NEXT: [[TMP8:%.*]] = icmp eq <4 x i8> [[REVERSE]], zeroinitializer |
| ; CHECK-NEXT: [[TMP9:%.*]] = xor <4 x i1> [[TMP8]], <i1 true, i1 true, i1 true, i1 true> |
| ; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i1> [[TMP9]], i32 0 |
| ; CHECK-NEXT: br i1 [[TMP10]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] |
| ; CHECK: pred.store.if: |
| ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP]], i64 -1 |
| ; CHECK-NEXT: store i8 95, i8* [[TMP11]], align 1 |
| ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE]] |
| ; CHECK: pred.store.continue: |
| ; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP9]], i32 1 |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[PRED_STORE_IF5:%.*]], label [[PRED_STORE_CONTINUE6:%.*]] |
| ; CHECK: pred.store.if5: |
| ; CHECK-NEXT: [[TMP13:%.*]] = add i64 [[INDEX]], 1 |
| ; CHECK-NEXT: [[TMP14:%.*]] = mul i64 [[TMP13]], -1 |
| ; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr i8, i8* null, i64 [[TMP14]] |
| ; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP2]], i64 -1 |
| ; CHECK-NEXT: store i8 95, i8* [[TMP15]], align 1 |
| ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE6]] |
| ; CHECK: pred.store.continue6: |
| ; CHECK-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP9]], i32 2 |
| ; CHECK-NEXT: br i1 [[TMP16]], label [[PRED_STORE_IF7:%.*]], label [[PRED_STORE_CONTINUE8:%.*]] |
| ; CHECK: pred.store.if7: |
| ; CHECK-NEXT: [[TMP17:%.*]] = add i64 [[INDEX]], 2 |
| ; CHECK-NEXT: [[TMP18:%.*]] = mul i64 [[TMP17]], -1 |
| ; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr i8, i8* null, i64 [[TMP18]] |
| ; CHECK-NEXT: [[TMP19:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP3]], i64 -1 |
| ; CHECK-NEXT: store i8 95, i8* [[TMP19]], align 1 |
| ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE8]] |
| ; CHECK: pred.store.continue8: |
| ; CHECK-NEXT: [[TMP20:%.*]] = extractelement <4 x i1> [[TMP9]], i32 3 |
| ; CHECK-NEXT: br i1 [[TMP20]], label [[PRED_STORE_IF9:%.*]], label [[PRED_STORE_CONTINUE10]] |
| ; CHECK: pred.store.if9: |
| ; CHECK-NEXT: [[TMP21:%.*]] = add i64 [[INDEX]], 3 |
| ; CHECK-NEXT: [[TMP22:%.*]] = mul i64 [[TMP21]], -1 |
| ; CHECK-NEXT: [[NEXT_GEP4:%.*]] = getelementptr i8, i8* null, i64 [[TMP22]] |
| ; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds i8, i8* [[NEXT_GEP4]], i64 -1 |
| ; CHECK-NEXT: store i8 95, i8* [[TMP23]], align 1 |
| ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE10]] |
| ; CHECK: pred.store.continue10: |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]] |
| ; CHECK: scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ null, [[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[C_05:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[IF_END:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[C_05]], i64 -1 |
| ; CHECK-NEXT: [[TMP25:%.*]] = load i8, i8* [[INCDEC_PTR]], align 1 |
| ; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i8 [[TMP25]], 0 |
| ; CHECK-NEXT: br i1 [[TOBOOL_NOT]], label [[IF_END]], label [[IF_THEN:%.*]] |
| ; CHECK: if.then: |
| ; CHECK-NEXT: store i8 95, i8* [[INCDEC_PTR]], align 1 |
| ; CHECK-NEXT: br label [[IF_END]] |
| ; CHECK: if.end: |
| ; CHECK-NEXT: [[CMP_NOT:%.*]] = icmp eq i8* [[INCDEC_PTR]], [[B]] |
| ; CHECK-NEXT: br i1 [[CMP_NOT]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]] |
| ; |
| |
| entry: |
| %cmp.not4 = icmp eq i8* %b, null |
| br i1 %cmp.not4, label %for.cond.cleanup, label %for.body.preheader |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: ; preds = %if.end |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| ret void |
| |
| for.body: ; preds = %for.body.preheader, %if.end |
| %c.05 = phi i8* [ %incdec.ptr, %if.end ], [ null, %for.body.preheader ] |
| %incdec.ptr = getelementptr inbounds i8, i8* %c.05, i64 -1 |
| %0 = load i8, i8* %incdec.ptr, align 1 |
| %tobool.not = icmp eq i8 %0, 0 |
| br i1 %tobool.not, label %if.end, label %if.then |
| |
| if.then: ; preds = %for.body |
| store i8 95, i8* %incdec.ptr, align 1 |
| br label %if.end |
| |
| if.end: ; preds = %for.body, %if.then |
| %cmp.not = icmp eq i8* %incdec.ptr, %b |
| br i1 %cmp.not, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| ; In the test below the pointer phi %ptr.iv.2 is used as |
| ; 1. As a uniform address for the load, and |
| ; 2. Non-uniform use by the getelementptr which is stored. This requires the |
| ; vector value. |
| define void @pointer_induction_used_as_vector(i8** noalias %start.1, i8* noalias %start.2, i64 %N) { |
| ; CHECK-LABEL: @pointer_induction_used_as_vector( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8*, i8** [[START_1:%.*]], i64 [[N_VEC]] |
| ; CHECK-NEXT: [[IND_END3:%.*]] = getelementptr i8, i8* [[START_2:%.*]], i64 [[N_VEC]] |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[POINTER_PHI:%.*]] = phi i8* [ [[START_2]], [[VECTOR_PH]] ], [ [[PTR_IND:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0 |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0 |
| ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8*, i8** [[START_1]], i64 [[TMP1]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[POINTER_PHI]], <4 x i64> <i64 0, i64 1, i64 2, i64 3> |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, <4 x i8*> [[TMP2]], i64 1 |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i8*, i8** [[NEXT_GEP]], i32 0 |
| ; CHECK-NEXT: [[TMP5:%.*]] = bitcast i8** [[TMP4]] to <4 x i8*>* |
| ; CHECK-NEXT: store <4 x i8*> [[TMP3]], <4 x i8*>* [[TMP5]], align 8 |
| ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i8*> [[TMP2]], i32 0 |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[TMP6]], i32 0 |
| ; CHECK-NEXT: [[TMP8:%.*]] = bitcast i8* [[TMP7]] to <4 x i8>* |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP8]], align 1 |
| ; CHECK-NEXT: [[TMP9:%.*]] = add <4 x i8> [[WIDE_LOAD]], <i8 1, i8 1, i8 1, i8 1> |
| ; CHECK-NEXT: [[TMP10:%.*]] = bitcast i8* [[TMP7]] to <4 x i8>* |
| ; CHECK-NEXT: store <4 x i8> [[TMP9]], <4 x i8>* [[TMP10]], align 1 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, i8* [[POINTER_PHI]], i64 4 |
| ; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] |
| ; CHECK: scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i8** [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[START_1]], [[ENTRY]] ] |
| ; CHECK-NEXT: [[BC_RESUME_VAL2:%.*]] = phi i8* [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[START_2]], [[ENTRY]] ] |
| ; CHECK-NEXT: br label [[LOOP_BODY:%.*]] |
| ; CHECK: loop.body: |
| ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP_BODY]] ] |
| ; CHECK-NEXT: [[PTR_IV_1:%.*]] = phi i8** [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[PTR_IV_1_NEXT:%.*]], [[LOOP_BODY]] ] |
| ; CHECK-NEXT: [[PTR_IV_2:%.*]] = phi i8* [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ], [ [[PTR_IV_2_NEXT:%.*]], [[LOOP_BODY]] ] |
| ; CHECK-NEXT: [[PTR_IV_1_NEXT]] = getelementptr inbounds i8*, i8** [[PTR_IV_1]], i64 1 |
| ; CHECK-NEXT: [[PTR_IV_2_NEXT]] = getelementptr inbounds i8, i8* [[PTR_IV_2]], i64 1 |
| ; CHECK-NEXT: store i8* [[PTR_IV_2_NEXT]], i8** [[PTR_IV_1]], align 8 |
| ; CHECK-NEXT: [[LV:%.*]] = load i8, i8* [[PTR_IV_2]], align 1 |
| ; CHECK-NEXT: [[ADD:%.*]] = add i8 [[LV]], 1 |
| ; CHECK-NEXT: store i8 [[ADD]], i8* [[PTR_IV_2]], align 1 |
| ; CHECK-NEXT: [[IV_NEXT]] = add nuw i64 [[IV]], 1 |
| ; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[IV_NEXT]], [[N]] |
| ; CHECK-NEXT: br i1 [[C]], label [[LOOP_BODY]], label [[EXIT]], !llvm.loop [[LOOP5:![0-9]+]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| |
| entry: |
| br label %loop.body |
| |
| loop.body: ; preds = %loop.body, %entry |
| %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop.body ] |
| %ptr.iv.1 = phi i8** [ %start.1, %entry ], [ %ptr.iv.1.next, %loop.body ] |
| %ptr.iv.2 = phi i8* [ %start.2, %entry ], [ %ptr.iv.2.next, %loop.body ] |
| %ptr.iv.1.next = getelementptr inbounds i8*, i8** %ptr.iv.1, i64 1 |
| %ptr.iv.2.next = getelementptr inbounds i8, i8* %ptr.iv.2, i64 1 |
| store i8* %ptr.iv.2.next, i8** %ptr.iv.1, align 8 |
| %lv = load i8, i8* %ptr.iv.2, align 1 |
| %add = add i8 %lv, 1 |
| store i8 %add, i8* %ptr.iv.2, align 1 |
| %iv.next = add nuw i64 %iv, 1 |
| %c = icmp ne i64 %iv.next, %N |
| br i1 %c, label %loop.body, label %exit |
| |
| exit: ; preds = %loop.body |
| ret void |
| } |
