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Differential D142894 Diff 501488 llvm/test/Transforms/LoopVectorize/AArch64/sve-low-trip-count.ll

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llvm/test/Transforms/LoopVectorize/AArch64/sve-low-trip-count.ll

; RUN: opt -passes=loop-vectorize -S < %s | FileCheck %s ; RUN: opt -passes=loop-vectorize -S < %s | FileCheck %s
target triple = "aarch64-unknown-linux-gnu" target triple = "aarch64-unknown-linux-gnu"
define void @trip7_i64(ptr noalias nocapture noundef %dst, ptr noalias nocapture noundef readonly %src) #0 { define void @trip7_i64(ptr noalias nocapture noundef %dst, ptr noalias nocapture noundef readonly %src) #0 {
; CHECK-LABEL: @trip7_i64( ; CHECK-LABEL: @trip7_i64(
; CHECK: vector.ph:
; CHECK: [[N_MINUS_VF:%.*]] = sub i64 7, [[VSCALE_X_VF:%.*]]
; CHECK: [[CMP:%.*]] = icmp ugt i64 7, [[VSCALE_X_VF]]
; CHECK: [[TRIP_COUNT:%.*]] = select i1 [[CMP]], i64 [[N_MINUS_VF]], i64 0
; CHECK: vector.body: ; CHECK: vector.body:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ] ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
; CHECK: [[ACTIVE_LANE_MASK:%.*]] = phi <vscale x 2 x i1> [ {{%.*}}, %vector.ph ], [ [[ACTIVE_LANE_MASK_NEXT:%.*]], %vector.body ] ; CHECK: [[ACTIVE_LANE_MASK:%.*]] = phi <vscale x 2 x i1> [ {{%.*}}, %vector.ph ], [ [[ACTIVE_LANE_MASK_NEXT:%.*]], %vector.body ]
; CHECK: {{%.*}} = call <vscale x 2 x i64> @llvm.masked.load.nxv2i64.p0(ptr {{%.*}}, i32 8, <vscale x 2 x i1> [[ACTIVE_LANE_MASK]], <vscale x 2 x i64> poison) ; CHECK: {{%.*}} = call <vscale x 2 x i64> @llvm.masked.load.nxv2i64.p0(ptr {{%.*}}, i32 8, <vscale x 2 x i1> [[ACTIVE_LANE_MASK]], <vscale x 2 x i64> poison)
; CHECK: {{%.*}} = call <vscale x 2 x i64> @llvm.masked.load.nxv2i64.p0(ptr {{%.*}}, i32 8, <vscale x 2 x i1> [[ACTIVE_LANE_MASK]], <vscale x 2 x i64> poison) ; CHECK: {{%.*}} = call <vscale x 2 x i64> @llvm.masked.load.nxv2i64.p0(ptr {{%.*}}, i32 8, <vscale x 2 x i1> [[ACTIVE_LANE_MASK]], <vscale x 2 x i64> poison)
; CHECK: call void @llvm.masked.store.nxv2i64.p0(<vscale x 2 x i64> {{%.*}}, ptr {{%.*}}, i32 8, <vscale x 2 x i1> [[ACTIVE_LANE_MASK]]) ; CHECK: call void @llvm.masked.store.nxv2i64.p0(<vscale x 2 x i64> {{%.*}}, ptr {{%.*}}, i32 8, <vscale x 2 x i1> [[ACTIVE_LANE_MASK]])
; CHECK-NEXT: [[ACTIVE_LANE_MASK_NEXT]] = call <vscale x 2 x i1> @llvm.get.active.lane.mask.nxv2i1.i64(i64 [[INDEX]], i64 [[TRIP_COUNT]])
; CHECK: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64() ; CHECK: [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
; CHECK-NEXT: [[VF:%.*]] = mul i64 [[VSCALE]], 2 ; CHECK-NEXT: [[VF:%.*]] = mul i64 [[VSCALE]], 2
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], [[VF]] ; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], [[VF]]
; CHECK-NEXT: [[ACTIVE_LANE_MASK_NEXT]] = call <vscale x 2 x i1> @llvm.get.active.lane.mask.nxv2i1.i64(i64 [[INDEX_NEXT]], i64 7)
; CHECK-NEXT: [[ACTIVE_LANE_MASK_NOT:%.*]] = xor <vscale x 2 x i1> [[ACTIVE_LANE_MASK_NEXT]], shufflevector (<vscale x 2 x i1> insertelement (<vscale x 2 x i1> poison, i1 true, i64 0), <vscale x 2 x i1> poison, <vscale x 2 x i32> zeroinitializer) ; CHECK-NEXT: [[ACTIVE_LANE_MASK_NOT:%.*]] = xor <vscale x 2 x i1> [[ACTIVE_LANE_MASK_NEXT]], shufflevector (<vscale x 2 x i1> insertelement (<vscale x 2 x i1> poison, i1 true, i64 0), <vscale x 2 x i1> poison, <vscale x 2 x i32> zeroinitializer)
; CHECK-NEXT: [[COND:%.*]] = extractelement <vscale x 2 x i1> [[ACTIVE_LANE_MASK_NOT]], i32 0 ; CHECK-NEXT: [[COND:%.*]] = extractelement <vscale x 2 x i1> [[ACTIVE_LANE_MASK_NOT]], i32 0
; CHECK-NEXT: br i1 [[COND]], label %middle.block, label %vector.body ; CHECK-NEXT: br i1 [[COND]], label %middle.block, label %vector.body
; ;
entry: entry:
br label %for.body br label %for.body
for.body: ; preds = %entry, %for.body for.body: ; preds = %entry, %for.body
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