; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=loop-vectorize -force-vector-width=4 -S | FileCheck %s ; RUN: opt < %s -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=2 -S | FileCheck %s -check-prefix=VF2UF2 ; RUN: opt < %s -passes=loop-vectorize -force-vector-width=1 -force-vector-interleave=4 -S | FileCheck %s -check-prefix=VF1UF4 target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" ; Make sure a loop is vectorized correctly with fold-tail when the constant ; trip-count is not a multiple of -force-vector-width and/or ; -force-vector-interleave, but is a multiple of the internally computed MaxVF; ; e.g., when all types are i32 lead to MaxVF=1. define void @pr45679(ptr %A) { ; CHECK-LABEL: @pr45679( ; CHECK-NEXT: entry: ; CHECK-NEXT: br 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:%.*]], [[PRED_STORE_CONTINUE6:%.*]] ] ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i8> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE6]] ] ; CHECK-NEXT: [[TMP0:%.*]] = icmp ule <4 x i8> [[VEC_IND]], splat (i8 13) ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0 ; CHECK-NEXT: br i1 [[TMP1]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] ; CHECK: pred.store.if: ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: store i32 13, ptr [[TMP3]], align 1 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE]] ; CHECK: pred.store.continue: ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1 ; CHECK-NEXT: br i1 [[TMP4]], label [[PRED_STORE_IF1:%.*]], label [[PRED_STORE_CONTINUE2:%.*]] ; CHECK: pred.store.if1: ; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[INDEX]], 1 ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP5]] ; CHECK-NEXT: store i32 13, ptr [[TMP6]], align 1 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE2]] ; CHECK: pred.store.continue2: ; CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2 ; CHECK-NEXT: br i1 [[TMP7]], label [[PRED_STORE_IF3:%.*]], label [[PRED_STORE_CONTINUE4:%.*]] ; CHECK: pred.store.if3: ; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[INDEX]], 2 ; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP8]] ; CHECK-NEXT: store i32 13, ptr [[TMP9]], align 1 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE4]] ; CHECK: pred.store.continue4: ; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3 ; CHECK-NEXT: br i1 [[TMP10]], label [[PRED_STORE_IF5:%.*]], label [[PRED_STORE_CONTINUE6]] ; CHECK: pred.store.if5: ; CHECK-NEXT: [[TMP11:%.*]] = add i32 [[INDEX]], 3 ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP11]] ; CHECK-NEXT: store i32 13, ptr [[TMP12]], align 1 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE6]] ; CHECK: pred.store.continue6: ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; CHECK-NEXT: [[VEC_IND_NEXT]] = add nuw <4 x i8> [[VEC_IND]], splat (i8 4) ; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16 ; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: exit: ; CHECK-NEXT: ret void ; ; VF2UF2-LABEL: @pr45679( ; VF2UF2-NEXT: entry: ; VF2UF2-NEXT: br label [[VECTOR_PH:%.*]] ; VF2UF2: vector.ph: ; VF2UF2-NEXT: br label [[VECTOR_BODY:%.*]] ; VF2UF2: vector.body: ; VF2UF2-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE7:%.*]] ] ; VF2UF2-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE7]] ] ; VF2UF2-NEXT: [[STEP_ADD:%.*]] = add nuw <2 x i32> [[VEC_IND]], splat (i32 2) ; VF2UF2-NEXT: [[TMP0:%.*]] = icmp ule <2 x i32> [[VEC_IND]], splat (i32 13) ; VF2UF2-NEXT: [[TMP1:%.*]] = icmp ule <2 x i32> [[STEP_ADD]], splat (i32 13) ; VF2UF2-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP0]], i64 0 ; VF2UF2-NEXT: br i1 [[TMP2]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] ; VF2UF2: pred.store.if: ; VF2UF2-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i32 [[INDEX]] ; VF2UF2-NEXT: store i32 13, ptr [[TMP4]], align 1 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE]] ; VF2UF2: pred.store.continue: ; VF2UF2-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP0]], i64 1 ; VF2UF2-NEXT: br i1 [[TMP5]], label [[PRED_STORE_IF2:%.*]], label [[PRED_STORE_CONTINUE3:%.*]] ; VF2UF2: pred.store.if1: ; VF2UF2-NEXT: [[TMP6:%.*]] = add i32 [[INDEX]], 1 ; VF2UF2-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP6]] ; VF2UF2-NEXT: store i32 13, ptr [[TMP7]], align 1 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE3]] ; VF2UF2: pred.store.continue2: ; VF2UF2-NEXT: [[TMP8:%.*]] = extractelement <2 x i1> [[TMP1]], i64 0 ; VF2UF2-NEXT: br i1 [[TMP8]], label [[PRED_STORE_IF4:%.*]], label [[PRED_STORE_CONTINUE5:%.*]] ; VF2UF2: pred.store.if3: ; VF2UF2-NEXT: [[TMP9:%.*]] = add i32 [[INDEX]], 2 ; VF2UF2-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP9]] ; VF2UF2-NEXT: store i32 13, ptr [[TMP10]], align 1 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE5]] ; VF2UF2: pred.store.continue4: ; VF2UF2-NEXT: [[TMP11:%.*]] = extractelement <2 x i1> [[TMP1]], i64 1 ; VF2UF2-NEXT: br i1 [[TMP11]], label [[PRED_STORE_IF6:%.*]], label [[PRED_STORE_CONTINUE7]] ; VF2UF2: pred.store.if5: ; VF2UF2-NEXT: [[TMP12:%.*]] = add i32 [[INDEX]], 3 ; VF2UF2-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP12]] ; VF2UF2-NEXT: store i32 13, ptr [[TMP13]], align 1 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE7]] ; VF2UF2: pred.store.continue6: ; VF2UF2-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; VF2UF2-NEXT: [[VEC_IND_NEXT]] = add nuw <2 x i32> [[STEP_ADD]], splat (i32 2) ; VF2UF2-NEXT: [[TMP14:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16 ; VF2UF2-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; VF2UF2: middle.block: ; VF2UF2-NEXT: br label [[LOOP:%.*]] ; VF2UF2: exit: ; VF2UF2-NEXT: ret void ; ; VF1UF4-LABEL: @pr45679( ; VF1UF4-NEXT: entry: ; VF1UF4-NEXT: br label [[VECTOR_PH:%.*]] ; VF1UF4: vector.ph: ; VF1UF4-NEXT: br label [[VECTOR_BODY:%.*]] ; VF1UF4: vector.body: ; VF1UF4-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE6:%.*]] ] ; VF1UF4-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 1 ; VF1UF4-NEXT: [[TMP2:%.*]] = add i32 [[INDEX]], 2 ; VF1UF4-NEXT: [[TMP3:%.*]] = add i32 [[INDEX]], 3 ; VF1UF4-NEXT: [[TMP4:%.*]] = icmp ule i32 [[INDEX]], 13 ; VF1UF4-NEXT: [[TMP5:%.*]] = icmp ule i32 [[TMP1]], 13 ; VF1UF4-NEXT: [[TMP6:%.*]] = icmp ule i32 [[TMP2]], 13 ; VF1UF4-NEXT: [[TMP7:%.*]] = icmp ule i32 [[TMP3]], 13 ; VF1UF4-NEXT: br i1 [[TMP4]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] ; VF1UF4: pred.store.if: ; VF1UF4-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i32 [[INDEX]] ; VF1UF4-NEXT: store i32 13, ptr [[TMP8]], align 1 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE]] ; VF1UF4: pred.store.continue: ; VF1UF4-NEXT: br i1 [[TMP5]], label [[PRED_STORE_IF1:%.*]], label [[PRED_STORE_CONTINUE2:%.*]] ; VF1UF4: pred.store.if1: ; VF1UF4-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP1]] ; VF1UF4-NEXT: store i32 13, ptr [[TMP9]], align 1 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE2]] ; VF1UF4: pred.store.continue2: ; VF1UF4-NEXT: br i1 [[TMP6]], label [[PRED_STORE_IF3:%.*]], label [[PRED_STORE_CONTINUE4:%.*]] ; VF1UF4: pred.store.if3: ; VF1UF4-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP2]] ; VF1UF4-NEXT: store i32 13, ptr [[TMP10]], align 1 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE4]] ; VF1UF4: pred.store.continue4: ; VF1UF4-NEXT: br i1 [[TMP7]], label [[PRED_STORE_IF5:%.*]], label [[PRED_STORE_CONTINUE6]] ; VF1UF4: pred.store.if5: ; VF1UF4-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, ptr [[A]], i32 [[TMP3]] ; VF1UF4-NEXT: store i32 13, ptr [[TMP11]], align 1 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE6]] ; VF1UF4: pred.store.continue6: ; VF1UF4-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; VF1UF4-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16 ; VF1UF4-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; VF1UF4: middle.block: ; VF1UF4-NEXT: br label [[LOOP:%.*]] ; VF1UF4: exit: ; VF1UF4-NEXT: ret void ; entry: br label %loop loop: %riv = phi i32 [ 0, %entry ], [ %rivPlus1, %loop ] %arrayidx = getelementptr inbounds i32, ptr %A, i32 %riv store i32 13, ptr %arrayidx, align 1 %rivPlus1 = add nuw nsw i32 %riv, 1 %cond = icmp eq i32 %rivPlus1, 14 br i1 %cond, label %exit, label %loop exit: ret void } define void @load_variant(ptr noalias %a, ptr noalias %b) { ; CHECK-LABEL: @load_variant( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[VECTOR_PH:%.*]] ; CHECK: vector.ph: ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] ; CHECK: vector.body: ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE6:%.*]] ] ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i8> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE6]] ] ; CHECK-NEXT: [[TMP0:%.*]] = icmp ule <4 x i8> [[VEC_IND]], splat (i8 13) ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x i1> [[TMP0]], i64 0 ; CHECK-NEXT: br i1 [[TMP1]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] ; CHECK: pred.store.if: ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; CHECK-NEXT: [[TMP4:%.*]] = load i64, ptr [[TMP3]], align 8 ; CHECK-NEXT: store i64 [[TMP4]], ptr [[B:%.*]], align 8 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE]] ; CHECK: pred.store.continue: ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <4 x i1> [[TMP0]], i64 1 ; CHECK-NEXT: br i1 [[TMP6]], label [[PRED_STORE_IF1:%.*]], label [[PRED_STORE_CONTINUE2:%.*]] ; CHECK: pred.store.if1: ; CHECK-NEXT: [[TMP7:%.*]] = add i64 [[INDEX]], 1 ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP7]] ; CHECK-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP8]], align 8 ; CHECK-NEXT: store i64 [[TMP9]], ptr [[B]], align 8 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE2]] ; CHECK: pred.store.continue2: ; CHECK-NEXT: [[TMP11:%.*]] = extractelement <4 x i1> [[TMP0]], i64 2 ; CHECK-NEXT: br i1 [[TMP11]], label [[PRED_STORE_IF3:%.*]], label [[PRED_STORE_CONTINUE4:%.*]] ; CHECK: pred.store.if3: ; CHECK-NEXT: [[TMP12:%.*]] = add i64 [[INDEX]], 2 ; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP12]] ; CHECK-NEXT: [[TMP14:%.*]] = load i64, ptr [[TMP13]], align 8 ; CHECK-NEXT: store i64 [[TMP14]], ptr [[B]], align 8 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE4]] ; CHECK: pred.store.continue4: ; CHECK-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP0]], i64 3 ; CHECK-NEXT: br i1 [[TMP16]], label [[PRED_STORE_IF5:%.*]], label [[PRED_STORE_CONTINUE6]] ; CHECK: pred.store.if5: ; CHECK-NEXT: [[TMP17:%.*]] = add i64 [[INDEX]], 3 ; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP17]] ; CHECK-NEXT: [[TMP19:%.*]] = load i64, ptr [[TMP18]], align 8 ; CHECK-NEXT: store i64 [[TMP19]], ptr [[B]], align 8 ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE6]] ; CHECK: pred.store.continue6: ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; CHECK-NEXT: [[VEC_IND_NEXT]] = add nuw <4 x i8> [[VEC_IND]], splat (i8 4) ; CHECK-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], 16 ; CHECK-NEXT: br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.end: ; CHECK-NEXT: ret void ; ; VF2UF2-LABEL: @load_variant( ; VF2UF2-NEXT: entry: ; VF2UF2-NEXT: br label [[VECTOR_PH:%.*]] ; VF2UF2: vector.ph: ; VF2UF2-NEXT: br label [[VECTOR_BODY:%.*]] ; VF2UF2: vector.body: ; VF2UF2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE7:%.*]] ] ; VF2UF2-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ , [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE7]] ] ; VF2UF2-NEXT: [[STEP_ADD:%.*]] = add nuw <2 x i64> [[VEC_IND]], splat (i64 2) ; VF2UF2-NEXT: [[TMP0:%.*]] = icmp ule <2 x i64> [[VEC_IND]], splat (i64 13) ; VF2UF2-NEXT: [[TMP1:%.*]] = icmp ule <2 x i64> [[STEP_ADD]], splat (i64 13) ; VF2UF2-NEXT: [[TMP2:%.*]] = extractelement <2 x i1> [[TMP0]], i64 0 ; VF2UF2-NEXT: br i1 [[TMP2]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] ; VF2UF2: pred.store.if: ; VF2UF2-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; VF2UF2-NEXT: [[TMP5:%.*]] = load i64, ptr [[TMP4]], align 8 ; VF2UF2-NEXT: store i64 [[TMP5]], ptr [[B:%.*]], align 8 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE]] ; VF2UF2: pred.store.continue: ; VF2UF2-NEXT: [[TMP7:%.*]] = extractelement <2 x i1> [[TMP0]], i64 1 ; VF2UF2-NEXT: br i1 [[TMP7]], label [[PRED_STORE_IF2:%.*]], label [[PRED_STORE_CONTINUE3:%.*]] ; VF2UF2: pred.store.if1: ; VF2UF2-NEXT: [[TMP8:%.*]] = add i64 [[INDEX]], 1 ; VF2UF2-NEXT: [[TMP9:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP8]] ; VF2UF2-NEXT: [[TMP10:%.*]] = load i64, ptr [[TMP9]], align 8 ; VF2UF2-NEXT: store i64 [[TMP10]], ptr [[B]], align 8 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE3]] ; VF2UF2: pred.store.continue2: ; VF2UF2-NEXT: [[TMP12:%.*]] = extractelement <2 x i1> [[TMP1]], i64 0 ; VF2UF2-NEXT: br i1 [[TMP12]], label [[PRED_STORE_IF4:%.*]], label [[PRED_STORE_CONTINUE5:%.*]] ; VF2UF2: pred.store.if3: ; VF2UF2-NEXT: [[TMP13:%.*]] = add i64 [[INDEX]], 2 ; VF2UF2-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP13]] ; VF2UF2-NEXT: [[TMP15:%.*]] = load i64, ptr [[TMP14]], align 8 ; VF2UF2-NEXT: store i64 [[TMP15]], ptr [[B]], align 8 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE5]] ; VF2UF2: pred.store.continue4: ; VF2UF2-NEXT: [[TMP17:%.*]] = extractelement <2 x i1> [[TMP1]], i64 1 ; VF2UF2-NEXT: br i1 [[TMP17]], label [[PRED_STORE_IF6:%.*]], label [[PRED_STORE_CONTINUE7]] ; VF2UF2: pred.store.if5: ; VF2UF2-NEXT: [[TMP18:%.*]] = add i64 [[INDEX]], 3 ; VF2UF2-NEXT: [[TMP19:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP18]] ; VF2UF2-NEXT: [[TMP20:%.*]] = load i64, ptr [[TMP19]], align 8 ; VF2UF2-NEXT: store i64 [[TMP20]], ptr [[B]], align 8 ; VF2UF2-NEXT: br label [[PRED_STORE_CONTINUE7]] ; VF2UF2: pred.store.continue6: ; VF2UF2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; VF2UF2-NEXT: [[VEC_IND_NEXT]] = add nuw <2 x i64> [[STEP_ADD]], splat (i64 2) ; VF2UF2-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], 16 ; VF2UF2-NEXT: br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] ; VF2UF2: middle.block: ; VF2UF2-NEXT: br label [[FOR_BODY:%.*]] ; VF2UF2: for.end: ; VF2UF2-NEXT: ret void ; ; VF1UF4-LABEL: @load_variant( ; VF1UF4-NEXT: entry: ; VF1UF4-NEXT: br label [[VECTOR_PH:%.*]] ; VF1UF4: vector.ph: ; VF1UF4-NEXT: br label [[VECTOR_BODY:%.*]] ; VF1UF4: vector.body: ; VF1UF4-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE6:%.*]] ] ; VF1UF4-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1 ; VF1UF4-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2 ; VF1UF4-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3 ; VF1UF4-NEXT: [[TMP4:%.*]] = icmp ule i64 [[INDEX]], 13 ; VF1UF4-NEXT: [[TMP5:%.*]] = icmp ule i64 [[TMP1]], 13 ; VF1UF4-NEXT: [[TMP6:%.*]] = icmp ule i64 [[TMP2]], 13 ; VF1UF4-NEXT: [[TMP7:%.*]] = icmp ule i64 [[TMP3]], 13 ; VF1UF4-NEXT: br i1 [[TMP4]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]] ; VF1UF4: pred.store.if: ; VF1UF4-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]] ; VF1UF4-NEXT: [[TMP9:%.*]] = load i64, ptr [[TMP8]], align 8 ; VF1UF4-NEXT: store i64 [[TMP9]], ptr [[B:%.*]], align 8 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE]] ; VF1UF4: pred.store.continue: ; VF1UF4-NEXT: br i1 [[TMP5]], label [[PRED_STORE_IF1:%.*]], label [[PRED_STORE_CONTINUE2:%.*]] ; VF1UF4: pred.store.if1: ; VF1UF4-NEXT: [[TMP11:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]] ; VF1UF4-NEXT: [[TMP12:%.*]] = load i64, ptr [[TMP11]], align 8 ; VF1UF4-NEXT: store i64 [[TMP12]], ptr [[B]], align 8 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE2]] ; VF1UF4: pred.store.continue2: ; VF1UF4-NEXT: br i1 [[TMP6]], label [[PRED_STORE_IF3:%.*]], label [[PRED_STORE_CONTINUE4:%.*]] ; VF1UF4: pred.store.if3: ; VF1UF4-NEXT: [[TMP14:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP2]] ; VF1UF4-NEXT: [[TMP15:%.*]] = load i64, ptr [[TMP14]], align 8 ; VF1UF4-NEXT: store i64 [[TMP15]], ptr [[B]], align 8 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE4]] ; VF1UF4: pred.store.continue4: ; VF1UF4-NEXT: br i1 [[TMP7]], label [[PRED_STORE_IF5:%.*]], label [[PRED_STORE_CONTINUE6]] ; VF1UF4: pred.store.if5: ; VF1UF4-NEXT: [[TMP17:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP3]] ; VF1UF4-NEXT: [[TMP18:%.*]] = load i64, ptr [[TMP17]], align 8 ; VF1UF4-NEXT: store i64 [[TMP18]], ptr [[B]], align 8 ; VF1UF4-NEXT: br label [[PRED_STORE_CONTINUE6]] ; VF1UF4: pred.store.continue6: ; VF1UF4-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 ; VF1UF4-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], 16 ; VF1UF4-NEXT: br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]] ; VF1UF4: middle.block: ; VF1UF4-NEXT: br label [[FOR_BODY:%.*]] ; VF1UF4: for.end: ; VF1UF4-NEXT: ret void ; entry: br label %for.body for.body: %iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ] %arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv %v = load i64, ptr %arrayidx store i64 %v, ptr %b %iv.next = add nuw nsw i64 %iv, 1 %exitcond.not = icmp eq i64 %iv.next, 14 br i1 %exitcond.not, label %for.end, label %for.body for.end: ret void }