; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp -loop-vectorize -tail-predication=enabled -dce -instcombine -S | FileCheck %s target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" target triple = "thumbv8.1m.main-none-none-eabi" define i32 @reduction_sum_single(i32* noalias nocapture %A) { ; CHECK-LABEL: @reduction_sum_single( ; 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_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> zeroinitializer) ; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_MASKED_LOAD]]) ; CHECK-NEXT: [[TMP3]] = add i32 [[TMP2]], [[VEC_PHI]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[DOTLR_PH:%.*]] ; CHECK: .lr.ph: ; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP2:![0-9]+]] ; CHECK: ._crit_edge: ; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]] ; entry: br label %.lr.ph .lr.ph: ; preds = %entry, %.lr.ph %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ] %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ] %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l3 = load i32, i32* %l2, align 4 %l7 = add i32 %sum.02, %l3 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %._crit_edge, label %.lr.ph ._crit_edge: ; preds = %.lr.ph %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ] ret i32 %sum.0.lcssa } define i32 @reduction_sum(i32* noalias nocapture %A, i32* noalias nocapture %B) { ; CHECK-LABEL: @reduction_sum( ; 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 <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> zeroinitializer) ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD1:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP3]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> zeroinitializer) ; CHECK-NEXT: [[TMP4:%.*]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[VEC_IND]], <4 x i32> zeroinitializer ; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP4]]) ; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[TMP5]], [[VEC_PHI]] ; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_MASKED_LOAD]]) ; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[TMP7]], [[TMP6]] ; CHECK-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[WIDE_MASKED_LOAD1]]) ; CHECK-NEXT: [[TMP10]] = add i32 [[TMP9]], [[TMP8]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4> ; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[DOTLR_PH:%.*]] ; CHECK: .lr.ph: ; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP5:![0-9]+]] ; CHECK: ._crit_edge: ; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]] ; entry: br label %.lr.ph .lr.ph: ; preds = %entry, %.lr.ph %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ] %sum.02 = phi i32 [ %l9, %.lr.ph ], [ 0, %entry ] %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l3 = load i32, i32* %l2, align 4 %l4 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv %l5 = load i32, i32* %l4, align 4 %l7 = add i32 %sum.02, %indvars.iv %l8 = add i32 %l7, %l3 %l9 = add i32 %l8, %l5 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %._crit_edge, label %.lr.ph ._crit_edge: ; preds = %.lr.ph %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ] ret i32 %sum.0.lcssa } define i32 @reduction_prod(i32* noalias nocapture %A, i32* noalias nocapture %B) { ; CHECK-LABEL: @reduction_prod( ; 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_PHI:%.*]] = phi <4 x i32> [ <i32 1, i32 1, i32 1, i32 1>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD1:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP3]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP4:%.*]] = mul <4 x i32> [[VEC_PHI]], [[WIDE_MASKED_LOAD]] ; CHECK-NEXT: [[TMP5:%.*]] = mul <4 x i32> [[TMP4]], [[WIDE_MASKED_LOAD1]] ; CHECK-NEXT: [[TMP6]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[TMP5]], <4 x i32> [[VEC_PHI]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP6]]) ; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[DOTLR_PH:%.*]] ; CHECK: .lr.ph: ; CHECK-NEXT: br i1 poison, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop [[LOOP7:![0-9]+]] ; CHECK: ._crit_edge: ; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ poison, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[PROD_0_LCSSA]] ; entry: br label %.lr.ph .lr.ph: ; preds = %entry, %.lr.ph %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ] %prod.02 = phi i32 [ %l9, %.lr.ph ], [ 1, %entry ] %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l3 = load i32, i32* %l2, align 4 %l4 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv %l5 = load i32, i32* %l4, align 4 %l8 = mul i32 %prod.02, %l3 %l9 = mul i32 %l8, %l5 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %._crit_edge, label %.lr.ph ._crit_edge: ; preds = %.lr.ph %prod.0.lcssa = phi i32 [ %l9, %.lr.ph ] ret i32 %prod.0.lcssa } define i32 @reduction_and(i32* nocapture %A, i32* nocapture %B) { ; CHECK-LABEL: @reduction_and( ; 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_PHI:%.*]] = phi <4 x i32> [ <i32 -1, i32 -1, i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD1:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP3]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP4:%.*]] = and <4 x i32> [[VEC_PHI]], [[WIDE_MASKED_LOAD]] ; CHECK-NEXT: [[TMP5:%.*]] = and <4 x i32> [[TMP4]], [[WIDE_MASKED_LOAD1]] ; CHECK-NEXT: [[TMP6]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[TMP5]], <4 x i32> [[VEC_PHI]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> [[TMP6]]) ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi i32 [ %and, %for.body ], [ -1, %entry ] %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l0 = load i32, i32* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv %l1 = load i32, i32* %arrayidx2, align 4 %add = and i32 %result.08, %l0 %and = and i32 %add, %l1 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi i32 [ %and, %for.body ] ret i32 %result.0.lcssa } define i32 @reduction_or(i32* nocapture %A, i32* nocapture %B) { ; CHECK-LABEL: @reduction_or( ; 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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD1:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP3]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP4:%.*]] = add nsw <4 x i32> [[WIDE_MASKED_LOAD1]], [[WIDE_MASKED_LOAD]] ; CHECK-NEXT: [[TMP5:%.*]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[TMP4]], <4 x i32> zeroinitializer ; CHECK-NEXT: [[TMP6]] = or <4 x i32> [[VEC_PHI]], [[TMP5]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> [[TMP6]]) ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi i32 [ %or, %for.body ], [ 0, %entry ] %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l0 = load i32, i32* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv %l1 = load i32, i32* %arrayidx2, align 4 %add = add nsw i32 %l1, %l0 %or = or i32 %add, %result.08 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi i32 [ %or, %for.body ] ret i32 %result.0.lcssa } define i32 @reduction_xor(i32* nocapture %A, i32* nocapture %B) { ; CHECK-LABEL: @reduction_xor( ; 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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD1:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* [[TMP3]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> poison) ; CHECK-NEXT: [[TMP4:%.*]] = add nsw <4 x i32> [[WIDE_MASKED_LOAD1]], [[WIDE_MASKED_LOAD]] ; CHECK-NEXT: [[TMP5:%.*]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[TMP4]], <4 x i32> zeroinitializer ; CHECK-NEXT: [[TMP6]] = xor <4 x i32> [[VEC_PHI]], [[TMP5]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.xor.v4i32(<4 x i32> [[TMP6]]) ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ poison, [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi i32 [ %xor, %for.body ], [ 0, %entry ] %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l0 = load i32, i32* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv %l1 = load i32, i32* %arrayidx2, align 4 %add = add nsw i32 %l1, %l0 %xor = xor i32 %add, %result.08 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi i32 [ %xor, %for.body ] ret i32 %result.0.lcssa } define float @reduction_fadd(float* nocapture %A, float* nocapture %B) { ; CHECK-LABEL: @reduction_fadd( ; 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_PHI:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[TMP0]] to <4 x float>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x float> poison) ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <4 x float>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD1:%.*]] = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* [[TMP3]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x float> poison) ; CHECK-NEXT: [[TMP4:%.*]] = fadd fast <4 x float> [[VEC_PHI]], [[WIDE_MASKED_LOAD]] ; CHECK-NEXT: [[TMP5:%.*]] = fadd fast <4 x float> [[TMP4]], [[WIDE_MASKED_LOAD1]] ; CHECK-NEXT: [[TMP6]] = select fast <4 x i1> [[ACTIVE_LANE_MASK]], <4 x float> [[TMP5]], <4 x float> [[VEC_PHI]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP8:%.*]] = call fast float @llvm.vector.reduce.fadd.v4f32(float -0.000000e+00, <4 x float> [[TMP6]]) ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret float [[RESULT_0_LCSSA]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi float [ %fadd, %for.body ], [ 0.0, %entry ] %arrayidx = getelementptr inbounds float, float* %A, i32 %indvars.iv %l0 = load float, float* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds float, float* %B, i32 %indvars.iv %l1 = load float, float* %arrayidx2, align 4 %add = fadd fast float %result.08, %l0 %fadd = fadd fast float %add, %l1 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi float [ %fadd, %for.body ] ret float %result.0.lcssa } define float @reduction_fmul(float* nocapture %A, float* nocapture %B) { ; CHECK-LABEL: @reduction_fmul( ; 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_PHI:%.*]] = phi <4 x float> [ <float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257) ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[TMP0]] to <4 x float>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD:%.*]] = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* [[TMP1]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x float> poison) ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <4 x float>* ; CHECK-NEXT: [[WIDE_MASKED_LOAD1:%.*]] = call <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* [[TMP3]], i32 4, <4 x i1> [[ACTIVE_LANE_MASK]], <4 x float> poison) ; CHECK-NEXT: [[TMP4:%.*]] = fmul fast <4 x float> [[VEC_PHI]], [[WIDE_MASKED_LOAD]] ; CHECK-NEXT: [[TMP5:%.*]] = fmul fast <4 x float> [[TMP4]], [[WIDE_MASKED_LOAD1]] ; CHECK-NEXT: [[TMP6]] = select fast <4 x i1> [[ACTIVE_LANE_MASK]], <4 x float> [[TMP5]], <4 x float> [[VEC_PHI]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260 ; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP8:%.*]] = call fast float @llvm.vector.reduce.fmul.v4f32(float 1.000000e+00, <4 x float> [[TMP6]]) ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: br i1 poison, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ poison, [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret float [[RESULT_0_LCSSA]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi float [ %fmul, %for.body ], [ 0.0, %entry ] %arrayidx = getelementptr inbounds float, float* %A, i32 %indvars.iv %l0 = load float, float* %arrayidx, align 4 %arrayidx2 = getelementptr inbounds float, float* %B, i32 %indvars.iv %l1 = load float, float* %arrayidx2, align 4 %add = fmul fast float %result.08, %l0 %fmul = fmul fast float %add, %l1 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi float [ %fmul, %for.body ] ret float %result.0.lcssa } define i32 @reduction_min(i32* nocapture %A, i32* nocapture %B) { ; CHECK-LABEL: @reduction_min( ; 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_PHI:%.*]] = phi <4 x i32> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4 ; CHECK-NEXT: [[TMP2]] = call <4 x i32> @llvm.smin.v4i32(<4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]) ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256 ; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.vector.reduce.smin.v4i32(<4 x i32> [[TMP2]]) ; CHECK-NEXT: br i1 false, label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 256, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP4]], [[MIDDLE_BLOCK]] ], [ 1000, [[ENTRY]] ] ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] ; CHECK-NEXT: [[RESULT_08:%.*]] = phi i32 [ [[TMP5:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[INDVARS_IV]] ; CHECK-NEXT: [[L0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 ; CHECK-NEXT: [[TMP5]] = call i32 @llvm.smin.i32(i32 [[RESULT_08]], i32 [[L0]]) ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i32 [[INDVARS_IV]], 1 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], 257 ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ [[TMP5]], [[FOR_BODY]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi i32 [ %v0, %for.body ], [ 1000, %entry ] %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l0 = load i32, i32* %arrayidx, align 4 %c0 = icmp slt i32 %result.08, %l0 %v0 = select i1 %c0, i32 %result.08, i32 %l0 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi i32 [ %v0, %for.body ] ret i32 %result.0.lcssa } define i32 @reduction_max(i32* nocapture %A, i32* nocapture %B) { ; CHECK-LABEL: @reduction_max( ; 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_PHI:%.*]] = phi <4 x i32> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ] ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]] ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>* ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4 ; CHECK-NEXT: [[TMP2]] = call <4 x i32> @llvm.umax.v4i32(<4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]) ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4 ; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256 ; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]] ; CHECK: middle.block: ; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.vector.reduce.umax.v4i32(<4 x i32> [[TMP2]]) ; CHECK-NEXT: br i1 false, label [[FOR_END:%.*]], label [[SCALAR_PH]] ; CHECK: scalar.ph: ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 256, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP4]], [[MIDDLE_BLOCK]] ], [ 1000, [[ENTRY]] ] ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] ; CHECK-NEXT: [[RESULT_08:%.*]] = phi i32 [ [[TMP5:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[INDVARS_IV]] ; CHECK-NEXT: [[L0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 ; CHECK-NEXT: [[TMP5]] = call i32 @llvm.umax.i32(i32 [[RESULT_08]], i32 [[L0]]) ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i32 [[INDVARS_IV]], 1 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], 257 ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]] ; CHECK: for.end: ; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ [[TMP5]], [[FOR_BODY]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ] ; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi i32 [ %v0, %for.body ], [ 1000, %entry ] %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv %l0 = load i32, i32* %arrayidx, align 4 %c0 = icmp ugt i32 %result.08, %l0 %v0 = select i1 %c0, i32 %result.08, i32 %l0 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi i32 [ %v0, %for.body ] ret i32 %result.0.lcssa } define float @reduction_fmax(float* nocapture %A, float* nocapture %B) { ; CHECK-LABEL: @reduction_fmax( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: [[RESULT_08:%.*]] = phi float [ [[V0:%.*]], [[FOR_BODY]] ], [ 1.000000e+03, [[ENTRY]] ] ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i32 [[INDVARS_IV]] ; CHECK-NEXT: [[L0:%.*]] = load float, float* [[ARRAYIDX]], align 4 ; CHECK-NEXT: [[C0:%.*]] = fcmp ogt float [[RESULT_08]], [[L0]] ; CHECK-NEXT: [[V0]] = select i1 [[C0]], float [[RESULT_08]], float [[L0]] ; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i32 [[INDVARS_IV]], 1 ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], 257 ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]] ; CHECK: for.end: ; CHECK-NEXT: ret float [[V0]] ; entry: br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ] %result.08 = phi float [ %v0, %for.body ], [ 1000.0, %entry ] %arrayidx = getelementptr inbounds float, float* %A, i32 %indvars.iv %l0 = load float, float* %arrayidx, align 4 %c0 = fcmp ogt float %result.08, %l0 %v0 = select i1 %c0, float %result.08, float %l0 %indvars.iv.next = add i32 %indvars.iv, 1 %exitcond = icmp eq i32 %indvars.iv.next, 257 br i1 %exitcond, label %for.end, label %for.body for.end: ; preds = %for.body, %entry %result.0.lcssa = phi float [ %v0, %for.body ] ret float %result.0.lcssa }