589 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			589 lines
		
	
	
		
			34 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; 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
 | |
| 
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| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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| target triple = "thumbv8.1m.main-none-none-eabi"
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| 
 | |
| define i32 @reduction_sum_single(i32* noalias nocapture %A) {
 | |
| ; CHECK-LABEL: @reduction_sum_single(
 | |
| ; CHECK-NEXT:  entry:
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| ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 | |
| ; CHECK:       vector.ph:
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| ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 | |
| ; CHECK:       vector.body:
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| ; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 | |
| ; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
 | |
| ; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257)
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| ; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
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| ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
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| ; 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:%.*]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[WIDE_MASKED_LOAD]], <4 x i32> zeroinitializer
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| ; CHECK-NEXT:    [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP2]])
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| ; CHECK-NEXT:    [[TMP4]] = add i32 [[TMP3]], [[VEC_PHI]]
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| ; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
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| ; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
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| ; CHECK-NEXT:    br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP0:!llvm.loop !.*]]
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| ; CHECK:       middle.block:
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| ; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
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| ; CHECK:       scalar.ph:
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| ; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
 | |
| ; CHECK:       .lr.ph:
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| ; CHECK-NEXT:    br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], [[LOOP2:!llvm.loop !.*]]
 | |
| ; CHECK:       ._crit_edge:
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| ; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
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| ; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
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| ;
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| entry:
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|   br label %.lr.ph
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| 
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| .lr.ph:                                           ; preds = %entry, %.lr.ph
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|   %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
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|   %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
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|   %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
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|   %l3 = load i32, i32* %l2, align 4
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|   %l7 = add i32 %sum.02, %l3
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|   %indvars.iv.next = add i32 %indvars.iv, 1
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|   %exitcond = icmp eq i32 %indvars.iv.next, 257
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|   br i1 %exitcond, label %._crit_edge, label %.lr.ph
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| 
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| ._crit_edge:                                      ; preds = %.lr.ph
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|   %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
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|   ret i32 %sum.0.lcssa
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| }
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| 
 | |
| define i32 @reduction_sum(i32* noalias nocapture %A, i32* noalias nocapture %B) {
 | |
| ; CHECK-LABEL: @reduction_sum(
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| ; CHECK-NEXT:  entry:
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| ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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| ; CHECK:       vector.ph:
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| ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
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| ; CHECK:       vector.body:
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| ; 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]] ], [ [[TMP12:%.*]], [[VECTOR_BODY]] ]
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| ; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257)
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| ; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
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| ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
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| ; 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]]
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| ; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
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| ; 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)
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| ; CHECK-NEXT:    [[TMP4:%.*]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[VEC_IND]], <4 x i32> zeroinitializer
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| ; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP4]])
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| ; CHECK-NEXT:    [[TMP6:%.*]] = add i32 [[TMP5]], [[VEC_PHI]]
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| ; CHECK-NEXT:    [[TMP7:%.*]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[WIDE_MASKED_LOAD]], <4 x i32> zeroinitializer
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| ; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP7]])
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| ; CHECK-NEXT:    [[TMP9:%.*]] = add i32 [[TMP8]], [[TMP6]]
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| ; CHECK-NEXT:    [[TMP10:%.*]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[WIDE_MASKED_LOAD1]], <4 x i32> zeroinitializer
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| ; CHECK-NEXT:    [[TMP11:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP10]])
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| ; CHECK-NEXT:    [[TMP12]] = add i32 [[TMP11]], [[TMP9]]
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| ; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
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| ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
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| ; CHECK-NEXT:    [[TMP13:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
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| ; CHECK-NEXT:    br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP4:!llvm.loop !.*]]
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| ; CHECK:       middle.block:
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| ; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
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| ; CHECK:       scalar.ph:
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| ; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
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| ; CHECK:       .lr.ph:
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| ; CHECK-NEXT:    br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], [[LOOP5:!llvm.loop !.*]]
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| ; CHECK:       ._crit_edge:
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| ; CHECK-NEXT:    [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
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| ; CHECK-NEXT:    ret i32 [[SUM_0_LCSSA]]
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| ;
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| entry:
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|   br label %.lr.ph
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| 
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| .lr.ph:                                           ; preds = %entry, %.lr.ph
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|   %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
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|   %sum.02 = phi i32 [ %l9, %.lr.ph ], [ 0, %entry ]
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|   %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
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|   %l3 = load i32, i32* %l2, align 4
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|   %l4 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
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|   %l5 = load i32, i32* %l4, align 4
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|   %l7 = add i32 %sum.02, %indvars.iv
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|   %l8 = add i32 %l7, %l3
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|   %l9 = add i32 %l8, %l5
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|   %indvars.iv.next = add i32 %indvars.iv, 1
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|   %exitcond = icmp eq i32 %indvars.iv.next, 257
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|   br i1 %exitcond, label %._crit_edge, label %.lr.ph
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| 
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| ._crit_edge:                                      ; preds = %.lr.ph
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|   %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
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|   ret i32 %sum.0.lcssa
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| }
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| 
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| define i32 @reduction_prod(i32* noalias nocapture %A, i32* noalias nocapture %B) {
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| ; CHECK-LABEL: @reduction_prod(
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| ; CHECK-NEXT:  entry:
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| ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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| ; CHECK:       vector.ph:
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| ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
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| ; CHECK:       vector.body:
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| ; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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| ; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 1, i32 1, i32 1, i32 1>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
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| ; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257)
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| ; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
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| ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
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| ; 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)
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| ; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]]
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| ; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
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| ; 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)
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| ; CHECK-NEXT:    [[TMP4:%.*]] = mul <4 x i32> [[VEC_PHI]], [[WIDE_MASKED_LOAD]]
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| ; CHECK-NEXT:    [[TMP5:%.*]] = mul <4 x i32> [[TMP4]], [[WIDE_MASKED_LOAD1]]
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| ; CHECK-NEXT:    [[TMP6]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[TMP5]], <4 x i32> [[VEC_PHI]]
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| ; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
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| ; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
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| ; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP6:!llvm.loop !.*]]
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| ; CHECK:       middle.block:
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| ; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @llvm.vector.reduce.mul.v4i32(<4 x i32> [[TMP6]])
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| ; CHECK-NEXT:    br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
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| ; CHECK:       scalar.ph:
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| ; CHECK-NEXT:    br label [[DOTLR_PH:%.*]]
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| ; CHECK:       .lr.ph:
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| ; CHECK-NEXT:    br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], [[LOOP7:!llvm.loop !.*]]
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| ; CHECK:       ._crit_edge:
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| ; CHECK-NEXT:    [[PROD_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
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| ; CHECK-NEXT:    ret i32 [[PROD_0_LCSSA]]
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| ;
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| entry:
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|   br label %.lr.ph
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| 
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| .lr.ph:                                           ; preds = %entry, %.lr.ph
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|   %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
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|   %prod.02 = phi i32 [ %l9, %.lr.ph ], [ 1, %entry ]
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|   %l2 = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
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|   %l3 = load i32, i32* %l2, align 4
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|   %l4 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
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|   %l5 = load i32, i32* %l4, align 4
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|   %l8 = mul i32 %prod.02, %l3
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|   %l9 = mul i32 %l8, %l5
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|   %indvars.iv.next = add i32 %indvars.iv, 1
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|   %exitcond = icmp eq i32 %indvars.iv.next, 257
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|   br i1 %exitcond, label %._crit_edge, label %.lr.ph
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| 
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| ._crit_edge:                                      ; preds = %.lr.ph
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|   %prod.0.lcssa = phi i32 [ %l9, %.lr.ph ]
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|   ret i32 %prod.0.lcssa
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| }
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| 
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| define i32 @reduction_and(i32* nocapture %A, i32* nocapture %B) {
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| ; CHECK-LABEL: @reduction_and(
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| ; CHECK-NEXT:  entry:
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| ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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| ; CHECK:       vector.ph:
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| ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
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| ; CHECK:       vector.body:
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| ; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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| ; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 -1, i32 -1, i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
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| ; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257)
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| ; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
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| ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
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| ; 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)
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| ; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i32 [[INDEX]]
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| ; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
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| ; 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)
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| ; CHECK-NEXT:    [[TMP4:%.*]] = and <4 x i32> [[VEC_PHI]], [[WIDE_MASKED_LOAD]]
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| ; CHECK-NEXT:    [[TMP5:%.*]] = and <4 x i32> [[TMP4]], [[WIDE_MASKED_LOAD1]]
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| ; CHECK-NEXT:    [[TMP6]] = select <4 x i1> [[ACTIVE_LANE_MASK]], <4 x i32> [[TMP5]], <4 x i32> [[VEC_PHI]]
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| ; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
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| ; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
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| ; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP8:!llvm.loop !.*]]
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| ; CHECK:       middle.block:
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| ; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> [[TMP6]])
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| ; CHECK-NEXT:    br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
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| ; CHECK:       scalar.ph:
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| ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
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| ; CHECK:       for.body:
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| ; CHECK-NEXT:    br i1 undef, label [[FOR_END]], label [[FOR_BODY]], [[LOOP9:!llvm.loop !.*]]
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| ; CHECK:       for.end:
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| ; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
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| ; CHECK-NEXT:    ret i32 [[RESULT_0_LCSSA]]
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| ;
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| entry:
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|   br label %for.body
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| 
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| for.body:                                         ; preds = %entry, %for.body
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|   %indvars.iv = phi i32 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
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|   %result.08 = phi i32 [ %and, %for.body ], [ -1, %entry ]
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|   %arrayidx = getelementptr inbounds i32, i32* %A, i32 %indvars.iv
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|   %l0 = load i32, i32* %arrayidx, align 4
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|   %arrayidx2 = getelementptr inbounds i32, i32* %B, i32 %indvars.iv
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|   %l1 = load i32, i32* %arrayidx2, align 4
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|   %add = and i32 %result.08, %l0
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|   %and = and i32 %add, %l1
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|   %indvars.iv.next = add i32 %indvars.iv, 1
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|   %exitcond = icmp eq i32 %indvars.iv.next, 257
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|   br i1 %exitcond, label %for.end, label %for.body
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| 
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| for.end:                                          ; preds = %for.body, %entry
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|   %result.0.lcssa = phi i32 [ %and, %for.body ]
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|   ret i32 %result.0.lcssa
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| }
 | |
| 
 | |
| define i32 @reduction_or(i32* nocapture %A, i32* nocapture %B) {
 | |
| ; CHECK-LABEL: @reduction_or(
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| ; CHECK-NEXT:  entry:
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| ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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| ; CHECK:       vector.ph:
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| ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
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| ; CHECK:       vector.body:
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| ; CHECK-NEXT:    [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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| ; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
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| ; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i32(i32 [[INDEX]], i32 257)
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| ; CHECK-NEXT:    [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[INDEX]]
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| ; CHECK-NEXT:    [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
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| ; 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]]
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| ; CHECK-NEXT:    [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
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| ; 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)
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| ; CHECK-NEXT:    [[TMP4:%.*]] = add nsw <4 x i32> [[WIDE_MASKED_LOAD1]], [[WIDE_MASKED_LOAD]]
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| ; 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]]
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| ; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
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| ; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 260
 | |
| ; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP10:!llvm.loop !.*]]
 | |
| ; CHECK:       middle.block:
 | |
| ; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> [[TMP6]])
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| ; 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 undef, label [[FOR_END]], label [[FOR_BODY]], [[LOOP11:!llvm.loop !.*]]
 | |
| ; CHECK:       for.end:
 | |
| ; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[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]], [[LOOP12:!llvm.loop !.*]]
 | |
| ; 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 undef, label [[FOR_END]], label [[FOR_BODY]], [[LOOP13:!llvm.loop !.*]]
 | |
| ; CHECK:       for.end:
 | |
| ; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[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 <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]], [[LOOP14:!llvm.loop !.*]]
 | |
| ; 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 undef, label [[FOR_END]], label [[FOR_BODY]], [[LOOP15:!llvm.loop !.*]]
 | |
| ; CHECK:       for.end:
 | |
| ; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[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 <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]], [[LOOP16:!llvm.loop !.*]]
 | |
| ; 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 undef, label [[FOR_END]], label [[FOR_BODY]], [[LOOP17:!llvm.loop !.*]]
 | |
| ; CHECK:       for.end:
 | |
| ; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[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]] ], [ [[TMP3:%.*]], [[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:%.*]] = icmp slt <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
 | |
| ; CHECK-NEXT:    [[TMP3]] = select <4 x i1> [[TMP2]], <4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]
 | |
| ; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
 | |
| ; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
 | |
| ; CHECK-NEXT:    br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP18:!llvm.loop !.*]]
 | |
| ; CHECK:       middle.block:
 | |
| ; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @llvm.vector.reduce.smin.v4i32(<4 x i32> [[TMP3]])
 | |
| ; 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 [ [[TMP5]], [[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 [ [[V0:%.*]], [[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:    [[C0:%.*]] = icmp slt i32 [[RESULT_08]], [[L0]]
 | |
| ; CHECK-NEXT:    [[V0]] = select i1 [[C0]], 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]], [[LOOP19:!llvm.loop !.*]]
 | |
| ; CHECK:       for.end:
 | |
| ; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ [[V0]], [[FOR_BODY]] ], [ [[TMP5]], [[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]] ], [ [[TMP3:%.*]], [[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:%.*]] = icmp ugt <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
 | |
| ; CHECK-NEXT:    [[TMP3]] = select <4 x i1> [[TMP2]], <4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]
 | |
| ; CHECK-NEXT:    [[INDEX_NEXT]] = add i32 [[INDEX]], 4
 | |
| ; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
 | |
| ; CHECK-NEXT:    br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP20:!llvm.loop !.*]]
 | |
| ; CHECK:       middle.block:
 | |
| ; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @llvm.vector.reduce.umax.v4i32(<4 x i32> [[TMP3]])
 | |
| ; 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 [ [[TMP5]], [[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 [ [[V0:%.*]], [[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:    [[C0:%.*]] = icmp ugt i32 [[RESULT_08]], [[L0]]
 | |
| ; CHECK-NEXT:    [[V0]] = select i1 [[C0]], 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]], [[LOOP21:!llvm.loop !.*]]
 | |
| ; CHECK:       for.end:
 | |
| ; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i32 [ [[V0]], [[FOR_BODY]] ], [ [[TMP5]], [[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
 | |
| }
 |