| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -loop-vectorize -instcombine -force-vector-width=4 -S < %s 2>&1 | FileCheck %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| |
| ;;;; Derived from the following C code |
| ;; void forked_ptrs_different_base_same_offset(float *A, float *B, float *C, int *D) { |
| ;; for (int i=0; i<100; i++) { |
| ;; if (D[i] != 0) { |
| ;; C[i] = A[i]; |
| ;; } else { |
| ;; C[i] = B[i]; |
| ;; } |
| ;; } |
| ;; } |
| |
| define dso_local void @forked_ptrs_different_base_same_offset(float* nocapture readonly %Base1, float* nocapture readonly %Base2, float* nocapture %Dest, i32* nocapture readonly %Preds) { |
| ; CHECK-LABEL: @forked_ptrs_different_base_same_offset( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[PREDS:%.*]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[CMP1_NOT:%.*]] = icmp eq i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[CMP1_NOT]], float* [[BASE2:%.*]], float* [[BASE1:%.*]] |
| ; CHECK-NEXT: [[DOTSINK_IN:%.*]] = getelementptr inbounds float, float* [[SPEC_SELECT]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[DOTSINK:%.*]] = load float, float* [[DOTSINK_IN]], align 4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, float* [[DEST:%.*]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: store float [[DOTSINK]], float* [[TMP1]], align 4 |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 100 |
| ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; |
| entry: |
| br label %for.body |
| |
| for.cond.cleanup: |
| ret void |
| |
| for.body: |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %Preds, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %cmp1.not = icmp eq i32 %0, 0 |
| %spec.select = select i1 %cmp1.not, float* %Base2, float* %Base1 |
| %.sink.in = getelementptr inbounds float, float* %spec.select, i64 %indvars.iv |
| %.sink = load float, float* %.sink.in, align 4 |
| %1 = getelementptr inbounds float, float* %Dest, i64 %indvars.iv |
| store float %.sink, float* %1, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond.not = icmp eq i64 %indvars.iv.next, 100 |
| br i1 %exitcond.not, label %for.cond.cleanup, label %for.body |
| } |
| |
| ;;;; Derived from the following C code |
| ;; void forked_ptrs_same_base_different_offset(float *A, float *B, int *C) { |
| ;; int offset; |
| ;; for (int i = 0; i < 100; i++) { |
| ;; if (C[i] != 0) |
| ;; offset = i; |
| ;; else |
| ;; offset = i+1; |
| ;; B[i] = A[offset]; |
| ;; } |
| ;; } |
| |
| define dso_local void @forked_ptrs_same_base_different_offset(float* nocapture readonly %Base, float* nocapture %Dest, i32* nocapture readonly %Preds) { |
| ; CHECK-LABEL: @forked_ptrs_same_base_different_offset( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: ret void |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[I_014:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[ADD:%.*]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[PREDS:%.*]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[CMP1_NOT:%.*]] = icmp eq i32 [[TMP0]], 0 |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 |
| ; CHECK-NEXT: [[ADD]] = add nuw nsw i32 [[I_014]], 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[INDVARS_IV]] to i32 |
| ; CHECK-NEXT: [[OFFSET_0:%.*]] = select i1 [[CMP1_NOT]], i32 [[ADD]], i32 [[TMP1]] |
| ; CHECK-NEXT: [[IDXPROM213:%.*]] = zext i32 [[OFFSET_0]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds float, float* [[BASE:%.*]], i64 [[IDXPROM213]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = load float, float* [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds float, float* [[DEST:%.*]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: store float [[TMP2]], float* [[ARRAYIDX5]], align 4 |
| ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 100 |
| ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]] |
| ; |
| entry: |
| br label %for.body |
| |
| for.cond.cleanup: ; preds = %for.body |
| ret void |
| |
| for.body: ; preds = %entry, %for.body |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %i.014 = phi i32 [ 0, %entry ], [ %add, %for.body ] |
| %arrayidx = getelementptr inbounds i32, i32* %Preds, i64 %indvars.iv |
| %0 = load i32, i32* %arrayidx, align 4 |
| %cmp1.not = icmp eq i32 %0, 0 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %add = add nuw nsw i32 %i.014, 1 |
| %1 = trunc i64 %indvars.iv to i32 |
| %offset.0 = select i1 %cmp1.not, i32 %add, i32 %1 |
| %idxprom213 = zext i32 %offset.0 to i64 |
| %arrayidx3 = getelementptr inbounds float, float* %Base, i64 %idxprom213 |
| %2 = load float, float* %arrayidx3, align 4 |
| %arrayidx5 = getelementptr inbounds float, float* %Dest, i64 %indvars.iv |
| store float %2, float* %arrayidx5, align 4 |
| %exitcond.not = icmp eq i64 %indvars.iv.next, 100 |
| br i1 %exitcond.not, label %for.cond.cleanup, label %for.body |
| } |