| ; 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: [[SCEVGEP:%.*]] = getelementptr i8, i8* null, i64 [[TMP0]] |
| ; CHECK-NEXT: [[EXITCOUNT_PTRCNT_TO_INT:%.*]] = ptrtoint i8* [[SCEVGEP]] to i64 |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[EXITCOUNT_PTRCNT_TO_INT]], 4 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[EXITCOUNT_PTRCNT_TO_INT]], 4 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[EXITCOUNT_PTRCNT_TO_INT]], [[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: [[POINTER_PHI:%.*]] = phi i8* [ null, [[VECTOR_PH]] ], [ [[PTR_IND:%.*]], [[PRED_STORE_CONTINUE7:%.*]] ] |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE7]] ] |
| ; 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:%.*]] = extractelement <4 x i8*> [[TMP3]], i32 0 |
| ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, i8* [[TMP4]], i32 0 |
| ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr 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:%.*]] = extractelement <4 x i8*> [[TMP3]], i32 0 |
| ; 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_IF2:%.*]], label [[PRED_STORE_CONTINUE3:%.*]] |
| ; CHECK: pred.store.if2: |
| ; CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x i8*> [[TMP3]], i32 1 |
| ; CHECK-NEXT: store i8 95, i8* [[TMP13]], align 1 |
| ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE3]] |
| ; CHECK: pred.store.continue3: |
| ; CHECK-NEXT: [[TMP14:%.*]] = extractelement <4 x i1> [[TMP9]], i32 2 |
| ; CHECK-NEXT: br i1 [[TMP14]], label [[PRED_STORE_IF4:%.*]], label [[PRED_STORE_CONTINUE5:%.*]] |
| ; CHECK: pred.store.if4: |
| ; CHECK-NEXT: [[TMP15:%.*]] = extractelement <4 x i8*> [[TMP3]], i32 2 |
| ; CHECK-NEXT: store i8 95, i8* [[TMP15]], align 1 |
| ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE5]] |
| ; CHECK: pred.store.continue5: |
| ; CHECK-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP9]], i32 3 |
| ; CHECK-NEXT: br i1 [[TMP16]], label [[PRED_STORE_IF6:%.*]], label [[PRED_STORE_CONTINUE7]] |
| ; CHECK: pred.store.if6: |
| ; CHECK-NEXT: [[TMP17:%.*]] = extractelement <4 x i8*> [[TMP3]], i32 3 |
| ; CHECK-NEXT: store i8 95, i8* [[TMP17]], align 1 |
| ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE7]] |
| ; CHECK: pred.store.continue7: |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, i8* [[POINTER_PHI]], i64 -4 |
| ; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP0:!llvm.loop !.*]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[EXITCOUNT_PTRCNT_TO_INT]], [[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: [[TMP19:%.*]] = load i8, i8* [[INCDEC_PTR]], align 1 |
| ; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp eq i8 [[TMP19]], 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]], [[LOOP2:!llvm.loop !.*]] |
| ; |
| |
| 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 |
| } |
| |
