| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -loop-vectorize -force-vector-interleave=3 -force-vector-width=2 -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" |
| |
| ; Make sure the loop is vectorized and unrolled under -Os without folding its |
| ; tail based on its trip-count being provably divisible by chosen VFxIC. |
| |
| define dso_local void @constTC(i32* noalias nocapture %A) optsize { |
| ; CHECK-LABEL: @constTC( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]] |
| ; CHECK: vector.ph: |
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[INDEX]], i32 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], <i32 0, i32 1> |
| ; CHECK-NEXT: [[INDUCTION1:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], <i32 2, i32 3> |
| ; CHECK-NEXT: [[INDUCTION2:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], <i32 4, i32 5> |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0 |
| ; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP0]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP1]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP2]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i32 0 |
| ; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <2 x i32>* |
| ; CHECK-NEXT: store <2 x i32> <i32 13, i32 13>, <2 x i32>* [[TMP7]], align 1 |
| ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i32 2 |
| ; CHECK-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <2 x i32>* |
| ; CHECK-NEXT: store <2 x i32> <i32 13, i32 13>, <2 x i32>* [[TMP9]], align 1 |
| ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i32 4 |
| ; CHECK-NEXT: [[TMP11:%.*]] = bitcast i32* [[TMP10]] to <2 x i32>* |
| ; CHECK-NEXT: store <2 x i32> <i32 13, i32 13>, <2 x i32>* [[TMP11]], align 1 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 6 |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT]], 1800 |
| ; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP0:!llvm.loop !.*]] |
| ; CHECK: middle.block: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 1800, 1800 |
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] |
| ; CHECK: scalar.ph: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 1800, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] |
| ; CHECK-NEXT: br label [[LOOP:%.*]] |
| ; CHECK: loop: |
| ; CHECK-NEXT: [[RIV:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[RIVPLUS1:%.*]], [[LOOP]] ] |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[RIV]] |
| ; CHECK-NEXT: store i32 13, i32* [[ARRAYIDX]], align 1 |
| ; CHECK-NEXT: [[RIVPLUS1]] = add nuw nsw i32 [[RIV]], 1 |
| ; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[RIVPLUS1]], 1800 |
| ; CHECK-NEXT: br i1 [[COND]], label [[EXIT]], label [[LOOP]], [[LOOP2:!llvm.loop !.*]] |
| ; CHECK: exit: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %loop |
| |
| loop: |
| %riv = phi i32 [ 0, %entry ], [ %rivPlus1, %loop ] |
| %arrayidx = getelementptr inbounds i32, i32* %A, i32 %riv |
| store i32 13, i32* %arrayidx, align 1 |
| %rivPlus1 = add nuw nsw i32 %riv, 1 |
| %cond = icmp eq i32 %rivPlus1, 1800 |
| br i1 %cond, label %exit, label %loop |
| |
| exit: |
| ret void |
| } |