| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --prefix-filecheck-ir-name unnamed --version 5 |
| ; RUN: opt -S -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=2 < %s 2>&1 | FileCheck %s |
| |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128" |
| |
| @f = common global i32 0, align 4 |
| @.str = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1 |
| @c = common global i32 0, align 4 |
| @a = common global i32 0, align 4 |
| @b = common global i32 0, align 4 |
| @e = common global i32 0, align 4 |
| |
| ; It has a value that is used outside of the loop |
| ; and is not a recognized reduction variable "tmp17". |
| ; However, tmp17 is a non-header phi which is an allowed exit. |
| |
| |
| define i32 @test1() { |
| ; CHECK-LABEL: define i32 @test1() { |
| ; CHECK-NEXT: [[BB:.*]]: |
| ; CHECK-NEXT: [[B_PROMOTED:%.*]] = load i32, ptr @b, align 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[B_PROMOTED]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 4) |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[SMAX]], [[B_PROMOTED]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 2 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[B_PROMOTED]], [[N_VEC]] |
| ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[B_PROMOTED]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1> |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <2 x i32> [[VEC_IND]], splat (i32 10) |
| ; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP3]], <2 x i32> splat (i32 1), <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2) |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i32> [[PREDPHI]], i32 1 |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label %[[F1_EXIT_LOOPEXIT:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[B_PROMOTED]], %[[BB]] ] |
| ; CHECK-NEXT: br label %[[DOTLR_PH_I:.*]] |
| ; CHECK: [[_LR_PH_I:.*:]] |
| ; CHECK-NEXT: [[UNNAMEDTMP8:%.*]] = phi i32 [ [[UNNAMEDTMP18:%.*]], %[[BB16:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i32 [[UNNAMEDTMP8]], 10 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[BB16]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: br label %[[BB16]] |
| ; CHECK: [[BB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17:%.*]] = phi i32 [ 0, %[[UNNAMEDBB10]] ], [ 1, %[[DOTLR_PH_I]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP18]] = add nsw i32 [[UNNAMEDTMP8]], 1 |
| ; CHECK-NEXT: [[UNNAMEDTMP19:%.*]] = icmp slt i32 [[UNNAMEDTMP18]], 4 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP19]], label %[[DOTLR_PH_I]], label %[[F1_EXIT_LOOPEXIT]], !llvm.loop [[LOOP3:![0-9]+]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[UNNAMEDTMP17]], %[[BB16]] ], [ [[TMP5]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: ret i32 [[DOTLCSSA]] |
| ; |
| bb: |
| %b.promoted = load i32, ptr @b, align 4 |
| br label %.lr.ph.i |
| |
| .lr.ph.i: |
| %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] |
| %tmp2 = icmp sgt i32 %tmp8, 10 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ] |
| %tmp18 = add nsw i32 %tmp8, 1 |
| %tmp19 = icmp slt i32 %tmp18, 4 |
| br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit |
| |
| f1.exit.loopexit: |
| %.lcssa = phi i32 [ %tmp17, %bb16 ] |
| ret i32 %.lcssa |
| } |
| |
| ; non-hdr phi depends on header phi. |
| |
| define i32 @test2() { |
| ; CHECK-LABEL: define i32 @test2() { |
| ; CHECK-NEXT: [[BB:.*]]: |
| ; CHECK-NEXT: [[B_PROMOTED:%.*]] = load i32, ptr @b, align 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[B_PROMOTED]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 4) |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[SMAX]], [[B_PROMOTED]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 2 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[B_PROMOTED]], [[N_VEC]] |
| ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[B_PROMOTED]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1> |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <2 x i32> [[VEC_IND]], splat (i32 10) |
| ; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP3]], <2 x i32> splat (i32 1), <2 x i32> [[VEC_IND]] |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2) |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i32> [[PREDPHI]], i32 1 |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label %[[F1_EXIT_LOOPEXIT:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[B_PROMOTED]], %[[BB]] ] |
| ; CHECK-NEXT: br label %[[DOTLR_PH_I:.*]] |
| ; CHECK: [[_LR_PH_I:.*:]] |
| ; CHECK-NEXT: [[UNNAMEDTMP8:%.*]] = phi i32 [ [[UNNAMEDTMP18:%.*]], %[[BB16:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i32 [[UNNAMEDTMP8]], 10 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[BB16]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: br label %[[BB16]] |
| ; CHECK: [[BB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17:%.*]] = phi i32 [ [[UNNAMEDTMP8]], %[[UNNAMEDBB10]] ], [ 1, %[[DOTLR_PH_I]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP18]] = add nsw i32 [[UNNAMEDTMP8]], 1 |
| ; CHECK-NEXT: [[UNNAMEDTMP19:%.*]] = icmp slt i32 [[UNNAMEDTMP18]], 4 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP19]], label %[[DOTLR_PH_I]], label %[[F1_EXIT_LOOPEXIT]], !llvm.loop [[LOOP5:![0-9]+]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[UNNAMEDTMP17]], %[[BB16]] ], [ [[TMP5]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: ret i32 [[DOTLCSSA]] |
| ; |
| bb: |
| %b.promoted = load i32, ptr @b, align 4 |
| br label %.lr.ph.i |
| |
| .lr.ph.i: |
| %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] |
| %tmp2 = icmp sgt i32 %tmp8, 10 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ %tmp8, %bb10 ], [ 1, %.lr.ph.i ] |
| %tmp18 = add nsw i32 %tmp8, 1 |
| %tmp19 = icmp slt i32 %tmp18, 4 |
| br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit |
| |
| f1.exit.loopexit: |
| %.lcssa = phi i32 [ %tmp17, %bb16 ] |
| ret i32 %.lcssa |
| } |
| |
| ; more than 2 incoming values for tmp17 phi that is used outside loop. |
| define i32 @test3(i32 %N) { |
| ; CHECK-LABEL: define i32 @test3( |
| ; CHECK-SAME: i32 [[N:%.*]]) { |
| ; CHECK-NEXT: [[BB:.*]]: |
| ; CHECK-NEXT: [[B_PROMOTED:%.*]] = load i32, ptr @b, align 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[B_PROMOTED]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 4) |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[SMAX]], [[B_PROMOTED]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 2 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[B_PROMOTED]], [[N_VEC]] |
| ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[N]], i64 0 |
| ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[B_PROMOTED]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1> |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <2 x i32> [[VEC_IND]], splat (i32 10) |
| ; CHECK-NEXT: [[TMP4:%.*]] = xor <2 x i1> [[TMP3]], splat (i1 true) |
| ; CHECK-NEXT: [[TMP5:%.*]] = icmp sgt <2 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = select <2 x i1> [[TMP4]], <2 x i1> [[TMP5]], <2 x i1> zeroinitializer |
| ; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP3]], <2 x i32> splat (i32 1), <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[PREDPHI1:%.*]] = select <2 x i1> [[TMP6]], <2 x i32> splat (i32 2), <2 x i32> [[PREDPHI]] |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2) |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x i32> [[PREDPHI1]], i32 1 |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label %[[F1_EXIT_LOOPEXIT:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[B_PROMOTED]], %[[BB]] ] |
| ; CHECK-NEXT: br label %[[DOTLR_PH_I:.*]] |
| ; CHECK: [[_LR_PH_I:.*:]] |
| ; CHECK-NEXT: [[UNNAMEDTMP8:%.*]] = phi i32 [ [[UNNAMEDTMP18:%.*]], %[[BB16:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i32 [[UNNAMEDTMP8]], 10 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[BB16]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[UNNAMEDTMP8]], [[N]] |
| ; CHECK-NEXT: br i1 [[CMP]], label %[[UNNAMEDBB12:.*]], label %[[BB16]] |
| ; CHECK: [[UNNAMEDBB12]]: |
| ; CHECK-NEXT: br label %[[BB16]] |
| ; CHECK: [[BB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17:%.*]] = phi i32 [ 0, %[[UNNAMEDBB10]] ], [ 1, %[[DOTLR_PH_I]] ], [ 2, %[[UNNAMEDBB12]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP18]] = add nsw i32 [[UNNAMEDTMP8]], 1 |
| ; CHECK-NEXT: [[UNNAMEDTMP19:%.*]] = icmp slt i32 [[UNNAMEDTMP18]], 4 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP19]], label %[[DOTLR_PH_I]], label %[[F1_EXIT_LOOPEXIT]], !llvm.loop [[LOOP7:![0-9]+]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[UNNAMEDTMP17]], %[[BB16]] ], [ [[TMP8]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: ret i32 [[DOTLCSSA]] |
| ; |
| bb: |
| %b.promoted = load i32, ptr @b, align 4 |
| br label %.lr.ph.i |
| |
| .lr.ph.i: |
| %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] |
| %tmp2 = icmp sgt i32 %tmp8, 10 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| %cmp = icmp sgt i32 %tmp8, %N |
| br i1 %cmp, label %bb12, label %bb16 |
| |
| bb12: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ], [ 2, %bb12 ] |
| %tmp18 = add nsw i32 %tmp8, 1 |
| %tmp19 = icmp slt i32 %tmp18, 4 |
| br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit |
| |
| f1.exit.loopexit: |
| %.lcssa = phi i32 [ %tmp17, %bb16 ] |
| ret i32 %.lcssa |
| } |
| |
| ; more than one incoming value for outside user: %.lcssa |
| define i32 @test4(i32 %N) { |
| ; CHECK-LABEL: define i32 @test4( |
| ; CHECK-SAME: i32 [[N:%.*]]) { |
| ; CHECK-NEXT: [[BB:.*]]: |
| ; CHECK-NEXT: [[B_PROMOTED:%.*]] = load i32, ptr @b, align 4 |
| ; CHECK-NEXT: [[ICMP:%.*]] = icmp slt i32 [[B_PROMOTED]], [[N]] |
| ; CHECK-NEXT: br i1 [[ICMP]], label %[[F1_EXIT_LOOPEXIT:.*]], label %[[DOTLR_PH_I_PREHEADER:.*]] |
| ; CHECK: [[_LR_PH_I_PREHEADER:.*:]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[B_PROMOTED]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 4) |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[SMAX]], [[B_PROMOTED]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 2 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[B_PROMOTED]], [[N_VEC]] |
| ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[B_PROMOTED]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1> |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <2 x i32> [[VEC_IND]], splat (i32 10) |
| ; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP3]], <2 x i32> splat (i32 1), <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2) |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP4]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i32> [[PREDPHI]], i32 1 |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label %[[F1_EXIT_LOOPEXIT_LOOPEXIT:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[B_PROMOTED]], %[[DOTLR_PH_I_PREHEADER]] ] |
| ; CHECK-NEXT: br label %[[DOTLR_PH_I:.*]] |
| ; CHECK: [[_LR_PH_I:.*:]] |
| ; CHECK-NEXT: [[UNNAMEDTMP8:%.*]] = phi i32 [ [[UNNAMEDTMP18:%.*]], %[[BB16:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i32 [[UNNAMEDTMP8]], 10 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[BB16]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: br label %[[BB16]] |
| ; CHECK: [[BB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17:%.*]] = phi i32 [ 0, %[[UNNAMEDBB10]] ], [ 1, %[[DOTLR_PH_I]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP18]] = add nsw i32 [[UNNAMEDTMP8]], 1 |
| ; CHECK-NEXT: [[UNNAMEDTMP19:%.*]] = icmp slt i32 [[UNNAMEDTMP18]], 4 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP19]], label %[[DOTLR_PH_I]], label %[[F1_EXIT_LOOPEXIT_LOOPEXIT]], !llvm.loop [[LOOP9:![0-9]+]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[TMP17_LCSSA:%.*]] = phi i32 [ [[UNNAMEDTMP17]], %[[BB16]] ], [ [[TMP5]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: br label %[[F1_EXIT_LOOPEXIT]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ 2, %[[BB]] ], [ [[TMP17_LCSSA]], %[[F1_EXIT_LOOPEXIT_LOOPEXIT]] ] |
| ; CHECK-NEXT: ret i32 [[DOTLCSSA]] |
| ; |
| bb: |
| %b.promoted = load i32, ptr @b, align 4 |
| %icmp = icmp slt i32 %b.promoted, %N |
| br i1 %icmp, label %f1.exit.loopexit, label %.lr.ph.i |
| |
| .lr.ph.i: |
| %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] |
| %tmp2 = icmp sgt i32 %tmp8, 10 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ] |
| %tmp18 = add nsw i32 %tmp8, 1 |
| %tmp19 = icmp slt i32 %tmp18, 4 |
| br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit |
| |
| f1.exit.loopexit: |
| %.lcssa = phi i32 [ %tmp17, %bb16 ], [ 2, %bb ] |
| ret i32 %.lcssa |
| } |
| |
| ; non hdr phi that depends on reduction and is used outside the loop. |
| ; reduction phis are only allowed to have bump or reduction operations as the inside user, so we should |
| ; not vectorize this. |
| define i32 @reduction_sum(i32 %n, ptr noalias nocapture %A, ptr noalias nocapture %B) nounwind uwtable readonly noinline ssp { |
| ; CHECK-LABEL: define i32 @reduction_sum( |
| ; CHECK-SAME: i32 [[N:%.*]], ptr noalias captures(none) [[A:%.*]], ptr noalias captures(none) [[B:%.*]]) #[[ATTR0:[0-9]+]] { |
| ; CHECK-NEXT: [[ENTRY:.*]]: |
| ; CHECK-NEXT: [[C1:%.*]] = icmp sgt i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[C1]], label %[[HEADER_PREHEADER:.*]], [[DOT_CRIT_EDGE:label %.*]] |
| ; CHECK: [[HEADER_PREHEADER]]: |
| ; CHECK-NEXT: br label %[[HEADER:.*]] |
| ; CHECK: [[HEADER]]: |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], %[[BB16:.*]] ], [ 0, %[[HEADER_PREHEADER]] ] |
| ; CHECK-NEXT: [[SUM_02:%.*]] = phi i32 [ [[C9:%.*]], %[[BB16]] ], [ 0, %[[HEADER_PREHEADER]] ] |
| ; CHECK-NEXT: [[C2:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[C3:%.*]] = load i32, ptr [[C2]], align 4 |
| ; CHECK-NEXT: [[C4:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[C5:%.*]] = load i32, ptr [[C4]], align 4 |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i32 [[SUM_02]], 10 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[BB16]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: br label %[[BB16]] |
| ; CHECK: [[BB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17:%.*]] = phi i32 [ [[SUM_02]], %[[UNNAMEDBB10]] ], [ 1, %[[HEADER]] ] |
| ; CHECK-NEXT: [[C6:%.*]] = trunc i64 [[INDVARS_IV]] to i32 |
| ; CHECK-NEXT: [[C7:%.*]] = add i32 [[SUM_02]], [[C6]] |
| ; CHECK-NEXT: [[C8:%.*]] = add i32 [[C7]], [[C3]] |
| ; CHECK-NEXT: [[C9]] = add i32 [[C8]], [[C5]] |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1 |
| ; CHECK-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label %[[DOT_CRIT_EDGE_LOOPEXIT:.*]], label %[[HEADER]] |
| ; CHECK: [[__CRIT_EDGE_LOOPEXIT:.*:]] |
| ; CHECK-NEXT: [[TMP17_LCSSA:%.*]] = phi i32 [ [[UNNAMEDTMP17]], %[[BB16]] ] |
| ; CHECK-NEXT: [[C9_LCSSA:%.*]] = phi i32 [ [[C9]], %[[BB16]] ] |
| ; CHECK-NEXT: br [[DOT_CRIT_EDGE]] |
| ; CHECK: [[__CRIT_EDGE:.*:]] |
| ; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[C9_LCSSA]], %[[DOT_CRIT_EDGE_LOOPEXIT]] ] |
| ; CHECK-NEXT: [[NONHDR_LCSSA:%.*]] = phi i32 [ 1, %[[ENTRY]] ], [ [[TMP17_LCSSA]], %[[DOT_CRIT_EDGE_LOOPEXIT]] ] |
| ; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]] |
| ; |
| entry: |
| %c1 = icmp sgt i32 %n, 0 |
| br i1 %c1, label %header, label %._crit_edge |
| |
| header: ; preds = %0, %.lr.ph |
| %indvars.iv = phi i64 [ %indvars.iv.next, %bb16 ], [ 0, %entry ] |
| %sum.02 = phi i32 [ %c9, %bb16 ], [ 0, %entry ] |
| %c2 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv |
| %c3 = load i32, ptr %c2, align 4 |
| %c4 = getelementptr inbounds i32, ptr %B, i64 %indvars.iv |
| %c5 = load i32, ptr %c4, align 4 |
| %tmp2 = icmp sgt i32 %sum.02, 10 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ %sum.02, %bb10 ], [ 1, %header ] |
| %c6 = trunc i64 %indvars.iv to i32 |
| %c7 = add i32 %sum.02, %c6 |
| %c8 = add i32 %c7, %c3 |
| %c9 = add i32 %c8, %c5 |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %n |
| br i1 %exitcond, label %._crit_edge, label %header |
| |
| ._crit_edge: ; preds = %.lr.ph, %0 |
| %sum.0.lcssa = phi i32 [ 0, %entry ], [ %c9, %bb16 ] |
| %nonhdr.lcssa = phi i32 [ 1, %entry], [ %tmp17, %bb16 ] |
| ret i32 %sum.0.lcssa |
| } |
| |
| ; invalid cyclic dependency with header phi iv, which prevents iv from being |
| ; recognized as induction var. |
| ; cannot vectorize. |
| define i32 @cyclic_dep_with_indvar() { |
| ; CHECK-LABEL: define i32 @cyclic_dep_with_indvar() { |
| ; CHECK-NEXT: [[BB:.*]]: |
| ; CHECK-NEXT: [[B_PROMOTED:%.*]] = load i32, ptr @b, align 4 |
| ; CHECK-NEXT: br label %[[DOTLR_PH_I:.*]] |
| ; CHECK: [[_LR_PH_I:.*:]] |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IVNEXT:%.*]], %[[BB16:.*]] ], [ [[B_PROMOTED]], %[[BB]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i32 [[IV]], 10 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[BB16]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: br label %[[BB16]] |
| ; CHECK: [[BB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17:%.*]] = phi i32 [ 0, %[[UNNAMEDBB10]] ], [ [[IV]], %[[DOTLR_PH_I]] ] |
| ; CHECK-NEXT: [[IVNEXT]] = add nsw i32 [[UNNAMEDTMP17]], 1 |
| ; CHECK-NEXT: [[UNNAMEDTMP19:%.*]] = icmp slt i32 [[IVNEXT]], 4 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP19]], label %[[DOTLR_PH_I]], label %[[F1_EXIT_LOOPEXIT:.*]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[UNNAMEDTMP17]], %[[BB16]] ] |
| ; CHECK-NEXT: ret i32 [[DOTLCSSA]] |
| ; |
| bb: |
| %b.promoted = load i32, ptr @b, align 4 |
| br label %.lr.ph.i |
| |
| .lr.ph.i: |
| %iv = phi i32 [ %ivnext, %bb16 ], [ %b.promoted, %bb ] |
| %tmp2 = icmp sgt i32 %iv, 10 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ 0, %bb10 ], [ %iv, %.lr.ph.i ] |
| %ivnext = add nsw i32 %tmp17, 1 |
| %tmp19 = icmp slt i32 %ivnext, 4 |
| br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit |
| |
| f1.exit.loopexit: |
| %.lcssa = phi i32 [ %tmp17, %bb16 ] |
| ret i32 %.lcssa |
| } |
| |
| ; non-reduction phi 'tmp17' used outside loop has cyclic dependence with %x.05 phi |
| ; cannot vectorize. |
| define i32 @not_valid_reduction(i32 %n, ptr noalias nocapture %A) nounwind uwtable readonly { |
| ; CHECK-LABEL: define i32 @not_valid_reduction( |
| ; CHECK-SAME: i32 [[N:%.*]], ptr noalias captures(none) [[A:%.*]]) #[[ATTR1:[0-9]+]] { |
| ; CHECK-NEXT: [[ENTRY:.*]]: |
| ; CHECK-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[CMP4]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]] |
| ; CHECK: [[FOR_BODY_PREHEADER]]: |
| ; CHECK-NEXT: br label %[[FOR_BODY:.*]] |
| ; CHECK: [[FOR_BODY]]: |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], %[[LATCH:.*]] ], [ 0, %[[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[X_05:%.*]] = phi i32 [ [[UNNAMEDTMP17:%.*]], %[[LATCH]] ], [ 0, %[[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[UNNAMEDTMP0:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i64 [[INDVARS_IV]], 10 |
| ; CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 [[X_05]], [[UNNAMEDTMP0]] |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[UNNAMEDBB16:.*]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: br label %[[UNNAMEDBB16]] |
| ; CHECK: [[UNNAMEDBB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17]] = phi i32 [ 1, %[[UNNAMEDBB10]] ], [ [[SUB]], %[[FOR_BODY]] ] |
| ; CHECK-NEXT: br label %[[LATCH]] |
| ; CHECK: [[LATCH]]: |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1 |
| ; CHECK-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END_LOOPEXIT:.*]], label %[[FOR_BODY]] |
| ; CHECK: [[FOR_END_LOOPEXIT]]: |
| ; CHECK-NEXT: [[TMP17_LCSSA:%.*]] = phi i32 [ [[UNNAMEDTMP17]], %[[LATCH]] ] |
| ; CHECK-NEXT: br label %[[FOR_END]] |
| ; CHECK: [[FOR_END]]: |
| ; CHECK-NEXT: [[X_0_LCSSA:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[TMP17_LCSSA]], %[[FOR_END_LOOPEXIT]] ] |
| ; CHECK-NEXT: ret i32 [[X_0_LCSSA]] |
| ; |
| entry: |
| %cmp4 = icmp sgt i32 %n, 0 |
| br i1 %cmp4, label %for.body, label %for.end |
| |
| for.body: ; preds = %entry, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %latch ], [ 0, %entry ] |
| %x.05 = phi i32 [ %tmp17, %latch ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv |
| %tmp0 = load i32, ptr %arrayidx, align 4 |
| %tmp2 = icmp sgt i64 %indvars.iv, 10 |
| %sub = sub nsw i32 %x.05, %tmp0 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ 1, %bb10 ], [ %sub, %for.body ] |
| br label %latch |
| |
| latch: |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %n |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body, %entry |
| %x.0.lcssa = phi i32 [ 0, %entry ], [ %tmp17 , %latch ] |
| ret i32 %x.0.lcssa |
| } |
| |
| define i8 @outside_user_non_phi() { |
| ; CHECK-LABEL: define i8 @outside_user_non_phi() { |
| ; CHECK-NEXT: [[BB:.*]]: |
| ; CHECK-NEXT: [[B_PROMOTED:%.*]] = load i32, ptr @b, align 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[B_PROMOTED]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[TMP0]], i32 4) |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[SMAX]], [[B_PROMOTED]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 2 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[B_PROMOTED]], [[N_VEC]] |
| ; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[B_PROMOTED]], i64 0 |
| ; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1> |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP3:%.*]] = icmp sgt <2 x i32> [[VEC_IND]], splat (i32 10) |
| ; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP3]], <2 x i32> splat (i32 1), <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[TMP4:%.*]] = trunc <2 x i32> [[PREDPHI]] to <2 x i8> |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2) |
| ; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i8> [[TMP4]], i32 1 |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label %[[F1_EXIT_LOOPEXIT:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[TMP2]], %[[MIDDLE_BLOCK]] ], [ [[B_PROMOTED]], %[[BB]] ] |
| ; CHECK-NEXT: br label %[[DOTLR_PH_I:.*]] |
| ; CHECK: [[_LR_PH_I:.*:]] |
| ; CHECK-NEXT: [[UNNAMEDTMP8:%.*]] = phi i32 [ [[UNNAMEDTMP18:%.*]], %[[BB16:.*]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[UNNAMEDTMP2:%.*]] = icmp sgt i32 [[UNNAMEDTMP8]], 10 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP2]], label %[[BB16]], label %[[UNNAMEDBB10:.*]] |
| ; CHECK: [[UNNAMEDBB10]]: |
| ; CHECK-NEXT: br label %[[BB16]] |
| ; CHECK: [[BB16]]: |
| ; CHECK-NEXT: [[UNNAMEDTMP17:%.*]] = phi i32 [ 0, %[[UNNAMEDBB10]] ], [ 1, %[[DOTLR_PH_I]] ] |
| ; CHECK-NEXT: [[TMP17_TRUNC:%.*]] = trunc i32 [[UNNAMEDTMP17]] to i8 |
| ; CHECK-NEXT: [[UNNAMEDTMP18]] = add nsw i32 [[UNNAMEDTMP8]], 1 |
| ; CHECK-NEXT: [[UNNAMEDTMP19:%.*]] = icmp slt i32 [[UNNAMEDTMP18]], 4 |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP19]], label %[[DOTLR_PH_I]], label %[[F1_EXIT_LOOPEXIT]], !llvm.loop [[LOOP11:![0-9]+]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i8 [ [[TMP17_TRUNC]], %[[BB16]] ], [ [[TMP6]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: ret i8 [[DOTLCSSA]] |
| ; |
| bb: |
| %b.promoted = load i32, ptr @b, align 4 |
| br label %.lr.ph.i |
| |
| .lr.ph.i: |
| %tmp8 = phi i32 [ %tmp18, %bb16 ], [ %b.promoted, %bb ] |
| %tmp2 = icmp sgt i32 %tmp8, 10 |
| br i1 %tmp2, label %bb16, label %bb10 |
| |
| bb10: |
| br label %bb16 |
| |
| bb16: |
| %tmp17 = phi i32 [ 0, %bb10 ], [ 1, %.lr.ph.i ] |
| %tmp17.trunc = trunc i32 %tmp17 to i8 |
| %tmp18 = add nsw i32 %tmp8, 1 |
| %tmp19 = icmp slt i32 %tmp18, 4 |
| br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit |
| |
| f1.exit.loopexit: |
| %.lcssa = phi i8 [ %tmp17.trunc, %bb16 ] |
| ret i8 %.lcssa |
| } |
| |
| define i32 @no_vectorize_reduction_with_outside_use(i32 %n, ptr nocapture %A, ptr nocapture %B) nounwind uwtable readonly { |
| ; CHECK-LABEL: define i32 @no_vectorize_reduction_with_outside_use( |
| ; CHECK-SAME: i32 [[N:%.*]], ptr captures(none) [[A:%.*]], ptr captures(none) [[B:%.*]]) #[[ATTR1]] { |
| ; CHECK-NEXT: [[ENTRY:.*]]: |
| ; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[CMP7]], label %[[FOR_BODY_PREHEADER:.*]], label %[[FOR_END:.*]] |
| ; CHECK: [[FOR_BODY_PREHEADER]]: |
| ; CHECK-NEXT: br label %[[FOR_BODY:.*]] |
| ; CHECK: [[FOR_BODY]]: |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], %[[FOR_BODY]] ], [ 0, %[[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[RESULT_08:%.*]] = phi i32 [ [[OR:%.*]], %[[FOR_BODY]] ], [ 0, %[[FOR_BODY_PREHEADER]] ] |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP1]], [[TMP0]] |
| ; CHECK-NEXT: [[OR]] = or i32 [[ADD]], [[RESULT_08]] |
| ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1 |
| ; CHECK-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END_LOOPEXIT:.*]], label %[[FOR_BODY]] |
| ; CHECK: [[FOR_END_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP1]], %[[FOR_BODY]] ] |
| ; CHECK-NEXT: br label %[[FOR_END]] |
| ; CHECK: [[FOR_END]]: |
| ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[DOTLCSSA]], %[[FOR_END_LOOPEXIT]] ] |
| ; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]] |
| ; |
| entry: |
| %cmp7 = icmp sgt i32 %n, 0 |
| br i1 %cmp7, label %for.body, label %for.end |
| |
| for.body: ; preds = %entry, %for.body |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] |
| %result.08 = phi i32 [ %or, %for.body ], [ 0, %entry ] |
| %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv |
| %0 = load i32, ptr %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, ptr %B, i64 %indvars.iv |
| %1 = load i32, ptr %arrayidx2, align 4 |
| %add = add nsw i32 %1, %0 |
| %or = or i32 %add, %result.08 |
| %indvars.iv.next = add i64 %indvars.iv, 1 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32 |
| %exitcond = icmp eq i32 %lftr.wideiv, %n |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body, %entry |
| %result.0.lcssa = phi i32 [ 0, %entry ], [ %1, %for.body ] |
| ret i32 %result.0.lcssa |
| } |
| |
| ; vectorize c[i] = a[i] + b[i] loop where result of c[i] is used outside the |
| ; loop |
| define i32 @sum_arrays_outside_use(ptr %B, ptr %A, ptr %C, i32 %N) { |
| ; CHECK-LABEL: define i32 @sum_arrays_outside_use( |
| ; CHECK-SAME: ptr [[B:%.*]], ptr [[A:%.*]], ptr [[C:%.*]], i32 [[N:%.*]]) { |
| ; CHECK-NEXT: [[BB:.*]]: |
| ; CHECK-NEXT: [[A3:%.*]] = ptrtoint ptr [[A]] to i32 |
| ; CHECK-NEXT: [[B2:%.*]] = ptrtoint ptr [[B]] to i32 |
| ; CHECK-NEXT: [[C1:%.*]] = ptrtoint ptr [[C]] to i32 |
| ; CHECK-NEXT: [[B_PROMOTED:%.*]] = load i32, ptr @b, align 4 |
| ; CHECK-NEXT: [[TMP0:%.*]] = add nsw i32 [[B_PROMOTED]], 1 |
| ; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[N]], i32 [[TMP0]]) |
| ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 [[SMAX]], [[B_PROMOTED]] |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 2 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_MEMCHECK:.*]] |
| ; CHECK: [[VECTOR_MEMCHECK]]: |
| ; CHECK-NEXT: [[TMP2:%.*]] = sub i32 [[C1]], [[B2]] |
| ; CHECK-NEXT: [[DIFF_CHECK:%.*]] = icmp ult i32 [[TMP2]], 8 |
| ; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[C1]], [[A3]] |
| ; CHECK-NEXT: [[DIFF_CHECK4:%.*]] = icmp ult i32 [[TMP3]], 8 |
| ; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[DIFF_CHECK]], [[DIFF_CHECK4]] |
| ; CHECK-NEXT: br i1 [[CONFLICT_RDX]], label %[[SCALAR_PH]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP1]], 2 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP1]], [[N_MOD_VF]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[B_PROMOTED]], [[N_VEC]] |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i32 [[B_PROMOTED]], [[INDEX]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = sext i32 [[OFFSET_IDX]] to i64 |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[TMP6]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP7]], i32 0 |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i32>, ptr [[TMP8]], align 4 |
| ; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP6]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[TMP9]], i32 0 |
| ; CHECK-NEXT: [[WIDE_LOAD5:%.*]] = load <2 x i32>, ptr [[TMP10]], align 4 |
| ; CHECK-NEXT: [[TMP11:%.*]] = add nsw <2 x i32> [[WIDE_LOAD]], [[WIDE_LOAD5]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[TMP6]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[TMP12]], i32 0 |
| ; CHECK-NEXT: store <2 x i32> [[TMP11]], ptr [[TMP13]], align 4 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP14]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP15:%.*]] = extractelement <2 x i32> [[TMP11]], i32 1 |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP1]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], label %[[F1_EXIT_LOOPEXIT:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[TMP4]], %[[MIDDLE_BLOCK]] ], [ [[B_PROMOTED]], %[[BB]] ], [ [[B_PROMOTED]], %[[VECTOR_MEMCHECK]] ] |
| ; CHECK-NEXT: br label %[[DOTLR_PH_I:.*]] |
| ; CHECK: [[_LR_PH_I:.*:]] |
| ; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IVNEXT:%.*]], %[[DOTLR_PH_I]] ], [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ] |
| ; CHECK-NEXT: [[INDVARS_IV:%.*]] = sext i32 [[IV]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[BLOAD:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: [[ALOAD:%.*]] = load i32, ptr [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[SUM:%.*]] = add nsw i32 [[BLOAD]], [[ALOAD]] |
| ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[C]], i64 [[INDVARS_IV]] |
| ; CHECK-NEXT: store i32 [[SUM]], ptr [[ARRAYIDX3]], align 4 |
| ; CHECK-NEXT: [[IVNEXT]] = add nsw i32 [[IV]], 1 |
| ; CHECK-NEXT: [[UNNAMEDTMP19:%.*]] = icmp slt i32 [[IVNEXT]], [[N]] |
| ; CHECK-NEXT: br i1 [[UNNAMEDTMP19]], label %[[DOTLR_PH_I]], label %[[F1_EXIT_LOOPEXIT]], !llvm.loop [[LOOP13:![0-9]+]] |
| ; CHECK: [[F1_EXIT_LOOPEXIT]]: |
| ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[SUM]], %[[DOTLR_PH_I]] ], [ [[TMP15]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: ret i32 [[DOTLCSSA]] |
| ; |
| bb: |
| %b.promoted = load i32, ptr @b, align 4 |
| br label %.lr.ph.i |
| |
| .lr.ph.i: |
| %iv = phi i32 [ %ivnext, %.lr.ph.i ], [ %b.promoted, %bb ] |
| %indvars.iv = sext i32 %iv to i64 |
| %arrayidx2 = getelementptr inbounds i32, ptr %B, i64 %indvars.iv |
| %Bload = load i32, ptr %arrayidx2, align 4 |
| %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv |
| %Aload = load i32, ptr %arrayidx, align 4 |
| %sum = add nsw i32 %Bload, %Aload |
| %arrayidx3 = getelementptr inbounds i32, ptr %C, i64 %indvars.iv |
| store i32 %sum, ptr %arrayidx3, align 4 |
| %ivnext = add nsw i32 %iv, 1 |
| %tmp19 = icmp slt i32 %ivnext, %N |
| br i1 %tmp19, label %.lr.ph.i, label %f1.exit.loopexit |
| |
| f1.exit.loopexit: |
| %.lcssa = phi i32 [ %sum, %.lr.ph.i ] |
| ret i32 %.lcssa |
| } |
| |
| @tab = common global [32 x i8] zeroinitializer, align 1 |
| |
| define i32 @non_uniform_live_out() { |
| ; CHECK-LABEL: define i32 @non_uniform_live_out() { |
| ; 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: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = add <2 x i32> [[VEC_IND]], splat (i32 7) |
| ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <2 x i32> [[TMP0]], i32 0 |
| ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[TMP1]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, ptr [[TMP2]], i32 0 |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i8>, ptr [[TMP3]], align 1 |
| ; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i8> [[WIDE_LOAD]], splat (i8 1) |
| ; CHECK-NEXT: store <2 x i8> [[TMP4]], ptr [[TMP3]], align 1 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], splat (i32 2) |
| ; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 20000 |
| ; CHECK-NEXT: br i1 [[TMP5]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[TMP0]], i32 1 |
| ; CHECK-NEXT: br i1 false, label %[[FOR_END:.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 20000, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] |
| ; CHECK-NEXT: br label %[[FOR_BODY:.*]] |
| ; CHECK: [[FOR_BODY]]: |
| ; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[INC:%.*]], %[[FOR_BODY]] ] |
| ; CHECK-NEXT: [[I_09:%.*]] = add i32 [[I_08]], 7 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[I_09]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = load i8, ptr [[ARRAYIDX]], align 1 |
| ; CHECK-NEXT: [[BUMP:%.*]] = add i8 [[TMP7]], 1 |
| ; CHECK-NEXT: store i8 [[BUMP]], ptr [[ARRAYIDX]], align 1 |
| ; CHECK-NEXT: [[INC]] = add nsw i32 [[I_08]], 1 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[I_08]], 20000 |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label %[[FOR_END]], label %[[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]] |
| ; CHECK: [[FOR_END]]: |
| ; CHECK-NEXT: [[LCSSA:%.*]] = phi i32 [ [[I_09]], %[[FOR_BODY]] ], [ [[TMP6]], %[[MIDDLE_BLOCK]] ] |
| ; CHECK-NEXT: [[ARRAYIDX_OUT:%.*]] = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 [[LCSSA]] |
| ; CHECK-NEXT: store i8 42, ptr [[ARRAYIDX_OUT]], align 1 |
| ; CHECK-NEXT: ret i32 0 |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %i.08 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| %i.09 = add i32 %i.08, 7 |
| %arrayidx = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 %i.09 |
| %0 = load i8, ptr %arrayidx, align 1 |
| %bump = add i8 %0, 1 |
| store i8 %bump, ptr %arrayidx, align 1 |
| %inc = add nsw i32 %i.08, 1 |
| %exitcond = icmp eq i32 %i.08, 20000 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body |
| %lcssa = phi i32 [%i.09, %for.body] |
| %arrayidx.out = getelementptr inbounds [32 x i8], ptr @tab, i32 0, i32 %lcssa |
| store i8 42, ptr %arrayidx.out, align 1 |
| ret i32 0 |
| } |
| ;. |
| ; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} |
| ; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} |
| ; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"} |
| ; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]} |
| ; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]} |
| ; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]} |
| ; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]} |
| ; CHECK: [[LOOP7]] = distinct !{[[LOOP7]], [[META2]], [[META1]]} |
| ; CHECK: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]], [[META2]]} |
| ; CHECK: [[LOOP9]] = distinct !{[[LOOP9]], [[META2]], [[META1]]} |
| ; CHECK: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]} |
| ; CHECK: [[LOOP11]] = distinct !{[[LOOP11]], [[META2]], [[META1]]} |
| ; CHECK: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META2]]} |
| ; CHECK: [[LOOP13]] = distinct !{[[LOOP13]], [[META1]]} |
| ; CHECK: [[LOOP14]] = distinct !{[[LOOP14]], [[META1]], [[META2]]} |
| ; CHECK: [[LOOP15]] = distinct !{[[LOOP15]], [[META2]], [[META1]]} |
| ;. |
