[llvm] e781620 - [LoopVectorize][AArch64] Use get.active.lane.mask intrinsic when SVE is enabled

David Sherwood via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 18 03:59:44 PST 2022


Author: David Sherwood
Date: 2022-01-18T11:59:30Z
New Revision: e781620dee4415018bdf3769a97c2ec31a85ff68

URL: https://github.com/llvm/llvm-project/commit/e781620dee4415018bdf3769a97c2ec31a85ff68
DIFF: https://github.com/llvm/llvm-project/commit/e781620dee4415018bdf3769a97c2ec31a85ff68.diff

LOG: [LoopVectorize][AArch64] Use get.active.lane.mask intrinsic when SVE is enabled

When SVE is enabled for AArch64 targets it makes more sense to use the
get.active.lane.mask intrinsic, because SVE has an exact 1-1 mapping
from the intrinsic to the 'whilelo' instruction for legal vector types.
This instruction neatly takes overflow into account as well. This patch
fixes an issue in VPInstruction::generateInstruction that assumed we are
only dealing with fixed-width vectors.

Differential Revision: https://reviews.llvm.org/D117109

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
    llvm/lib/Transforms/Vectorize/VPlan.cpp
    llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-forced.ll
    llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
    llvm/test/Transforms/LoopVectorize/AArch64/tail-fold-uniform-memops.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
index 7ba645ba1737c..a6029b9f24456 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
+++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
@@ -313,6 +313,10 @@ class AArch64TTIImpl : public BasicTTIImplBase<AArch64TTIImpl> {
     return 2;
   }
 
+  bool emitGetActiveLaneMask() const {
+    return ST->hasSVE();
+  }
+
   bool supportsScalableVectors() const { return ST->hasSVE(); }
 
   bool enableScalableVectorization() const { return ST->hasSVE(); }

diff  --git a/llvm/lib/Transforms/Vectorize/VPlan.cpp b/llvm/lib/Transforms/Vectorize/VPlan.cpp
index 76e5c9775ffbe..2598b5bd24be9 100644
--- a/llvm/lib/Transforms/Vectorize/VPlan.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlan.cpp
@@ -680,7 +680,7 @@ void VPInstruction::generateInstruction(VPTransformState &State,
     Value *ScalarTC = State.get(getOperand(1), Part);
 
     auto *Int1Ty = Type::getInt1Ty(Builder.getContext());
-    auto *PredTy = FixedVectorType::get(Int1Ty, State.VF.getKnownMinValue());
+    auto *PredTy = VectorType::get(Int1Ty, State.VF);
     Instruction *Call = Builder.CreateIntrinsic(
         Intrinsic::get_active_lane_mask, {PredTy, ScalarTC->getType()},
         {VIVElem0, ScalarTC}, nullptr, "active.lane.mask");

diff  --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-forced.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-forced.ll
index a0f6c8f6f7572..bd7906e043a92 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-forced.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-forced.ll
@@ -20,9 +20,6 @@ define void @simple_memset(i32 %val, i32* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[UMAX]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[UMAX]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[VAL:%.*]], i32 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT6:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT5]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
@@ -35,11 +32,11 @@ define void @simple_memset(i32 %val, i32* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 [[UMAX]])
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr i32, i32* [[PTR:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[BROADCAST_SPLAT6]], <vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]])
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[BROADCAST_SPLAT6]], <vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP14:%.*]] = mul i64 [[TMP13]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT2]] = add i64 [[INDEX1]], [[TMP14]]

diff  --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
index 6829bd4e86787..492b97994bef1 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding.ll
@@ -20,9 +20,6 @@ define void @simple_memset(i32 %val, i32* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[UMAX]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[UMAX]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[VAL:%.*]], i32 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT6:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT5]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
@@ -35,11 +32,11 @@ define void @simple_memset(i32 %val, i32* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 [[UMAX]])
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr i32, i32* [[PTR:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[BROADCAST_SPLAT6]], <vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]])
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[BROADCAST_SPLAT6]], <vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP14:%.*]] = mul i64 [[TMP13]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT2]] = add i64 [[INDEX1]], [[TMP14]]
@@ -78,9 +75,6 @@ define void @simple_memcpy(i32* noalias %dst, i32* noalias %src, i64 %n) #0 {
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[UMAX]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[UMAX]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX1:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT2:%.*]], %vector.body ]
@@ -91,15 +85,15 @@ define void @simple_memcpy(i32* noalias %dst, i32* noalias %src, i64 %n) #0 {
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 [[UMAX]])
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr i32, i32* [[SRC:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> poison)
 ; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr i32, i32* [[DST:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr i32, i32* [[TMP13]], i32 0
 ; CHECK-NEXT:    [[TMP15:%.*]] = bitcast i32* [[TMP14]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[WIDE_MASKED_LOAD]], <vscale x 4 x i32>* [[TMP15]], i32 4, <vscale x 4 x i1> [[TMP9]])
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[WIDE_MASKED_LOAD]], <vscale x 4 x i32>* [[TMP15]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP17:%.*]] = mul i64 [[TMP16]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT2]] = add i64 [[INDEX1]], [[TMP17]]
@@ -144,9 +138,6 @@ define void @copy_stride4(i32* noalias %dst, i32* noalias %src, i64 %n) #0 {
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP4]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
 ; CHECK-NEXT:    [[IND_END:%.*]] = mul i64 [[N_VEC]], 4
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[TMP2]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[TMP8:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
 ; CHECK-NEXT:    [[TMP9:%.*]] = add <vscale x 4 x i64> [[TMP8]], zeroinitializer
 ; CHECK-NEXT:    [[TMP10:%.*]] = mul <vscale x 4 x i64> [[TMP9]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 4, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
@@ -165,11 +156,12 @@ define void @copy_stride4(i32* noalias %dst, i32* noalias %src, i64 %n) #0 {
 ; CHECK-NEXT:    [[TMP14:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
 ; CHECK-NEXT:    [[TMP15:%.*]] = add <vscale x 4 x i64> zeroinitializer, [[TMP14]]
 ; CHECK-NEXT:    [[VEC_IV:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP15]]
-; CHECK-NEXT:    [[TMP16:%.*]] = icmp ule <vscale x 4 x i64> [[VEC_IV]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[TMP16:%.*]] = extractelement <vscale x 4 x i64> [[VEC_IV]], i32 0
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP16]], i64 [[TMP2]])
 ; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr i32, i32* [[SRC:%.*]], <vscale x 4 x i64> [[VEC_IND]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0i32(<vscale x 4 x i32*> [[TMP17]], i32 4, <vscale x 4 x i1> [[TMP16]], <vscale x 4 x i32> undef)
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0i32(<vscale x 4 x i32*> [[TMP17]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> undef)
 ; CHECK-NEXT:    [[TMP18:%.*]] = getelementptr i32, i32* [[DST:%.*]], <vscale x 4 x i64> [[VEC_IND]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0i32(<vscale x 4 x i32> [[WIDE_MASKED_GATHER]], <vscale x 4 x i32*> [[TMP18]], i32 4, <vscale x 4 x i1> [[TMP16]])
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0i32(<vscale x 4 x i32> [[WIDE_MASKED_GATHER]], <vscale x 4 x i32*> [[TMP18]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP19:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP20:%.*]] = mul i64 [[TMP19]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT2]] = add i64 [[INDEX1]], [[TMP20]]
@@ -211,9 +203,6 @@ define void @simple_gather_scatter(i32* noalias %dst, i32* noalias %src, i32* no
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[UMAX]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[UMAX]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX1:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT2:%.*]], %vector.body ]
@@ -224,15 +213,15 @@ define void @simple_gather_scatter(i32* noalias %dst, i32* noalias %src, i32* no
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 [[UMAX]])
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr i32, i32* [[IND:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> poison)
 ; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr i32, i32* [[SRC:%.*]], <vscale x 4 x i32> [[WIDE_MASKED_LOAD]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0i32(<vscale x 4 x i32*> [[TMP13]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i32> undef)
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0i32(<vscale x 4 x i32*> [[TMP13]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> undef)
 ; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr i32, i32* [[DST:%.*]], <vscale x 4 x i32> [[WIDE_MASKED_LOAD]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0i32(<vscale x 4 x i32> [[WIDE_MASKED_GATHER]], <vscale x 4 x i32*> [[TMP14]], i32 4, <vscale x 4 x i1> [[TMP9]])
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0i32(<vscale x 4 x i32> [[WIDE_MASKED_GATHER]], <vscale x 4 x i32*> [[TMP14]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP16:%.*]] = mul i64 [[TMP15]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT2]] = add i64 [[INDEX1]], [[TMP16]]
@@ -276,9 +265,6 @@ define void @uniform_load(i32* noalias %dst, i32* noalias readonly %src, i64 %n)
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[N:%.*]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[N]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
@@ -289,14 +275,14 @@ define void @uniform_load(i32* noalias %dst, i32* noalias readonly %src, i64 %n)
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT2]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 %n)
 ; CHECK-NEXT:    [[TMP10:%.*]] = load i32, i32* [[SRC:%.*]], align 4
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[TMP10]], i32 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT4:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT3]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[DST:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[TMP11]], i32 0
 ; CHECK-NEXT:    [[TMP13:%.*]] = bitcast i32* [[TMP12]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[BROADCAST_SPLAT4]], <vscale x 4 x i32>* [[TMP13]], i32 4, <vscale x 4 x i1> [[TMP9]])
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0nxv4i32(<vscale x 4 x i32> [[BROADCAST_SPLAT4]], <vscale x 4 x i32>* [[TMP13]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP15:%.*]] = mul i64 [[TMP14]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT]] = add i64 [[INDEX]], [[TMP15]]
@@ -340,9 +326,6 @@ define void @cond_uniform_load(i32* noalias %dst, i32* noalias readonly %src, i3
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[N:%.*]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[N]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT5:%.*]] = insertelement <vscale x 4 x i32*> poison, i32* [[SRC:%.*]], i32 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT6:%.*]] = shufflevector <vscale x 4 x i32*> [[BROADCAST_SPLATINSERT5]], <vscale x 4 x i32*> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
@@ -355,16 +338,16 @@ define void @cond_uniform_load(i32* noalias %dst, i32* noalias readonly %src, i3
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 %n)
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[COND:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> poison)
 ; CHECK-NEXT:    [[TMP13:%.*]] = icmp eq <vscale x 4 x i32> [[WIDE_MASKED_LOAD]], zeroinitializer
 ; CHECK-NEXT:    [[TMP14:%.*]] = xor <vscale x 4 x i1> [[TMP13]], shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i32 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP15:%.*]] = select <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i1> [[TMP14]], <vscale x 4 x i1> zeroinitializer
+; CHECK-NEXT:    [[TMP15:%.*]] = select <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i1> [[TMP14]], <vscale x 4 x i1> zeroinitializer
 ; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0i32(<vscale x 4 x i32*> [[BROADCAST_SPLAT6]], i32 4, <vscale x 4 x i1> [[TMP15]], <vscale x 4 x i32> undef)
-; CHECK-NEXT:    [[TMP16:%.*]] = select <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i1> [[TMP13]], <vscale x 4 x i1> zeroinitializer
+; CHECK-NEXT:    [[TMP16:%.*]] = select <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i1> [[TMP13]], <vscale x 4 x i1> zeroinitializer
 ; CHECK-NEXT:    [[PREDPHI:%.*]] = select <vscale x 4 x i1> [[TMP16]], <vscale x 4 x i32> zeroinitializer, <vscale x 4 x i32> [[WIDE_MASKED_GATHER]]
 ; CHECK-NEXT:    [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[DST:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP18:%.*]] = or <vscale x 4 x i1> [[TMP15]], [[TMP16]]
@@ -422,9 +405,6 @@ define void @uniform_store(i32* noalias %dst, i32* noalias readonly %src, i64 %n
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[N:%.*]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[N]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <vscale x 4 x i32*> poison, i32* [[DST:%.*]], i32 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT4:%.*]] = shufflevector <vscale x 4 x i32*> [[BROADCAST_SPLATINSERT3]], <vscale x 4 x i32*> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
@@ -437,12 +417,12 @@ define void @uniform_store(i32* noalias %dst, i32* noalias readonly %src, i64 %n
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT2]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 %n)
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[SRC:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i32> poison)
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0i32(<vscale x 4 x i32> [[WIDE_MASKED_LOAD]], <vscale x 4 x i32*> [[BROADCAST_SPLAT4]], i32 4, <vscale x 4 x i1> [[TMP9]])
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0i32(<vscale x 4 x i32> [[WIDE_MASKED_LOAD]], <vscale x 4 x i32*> [[BROADCAST_SPLAT4]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP14:%.*]] = mul i64 [[TMP13]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT]] = add i64 [[INDEX]], [[TMP14]]
@@ -483,9 +463,6 @@ define void @simple_fdiv(float* noalias %dst, float* noalias %src, i64 %n) #0 {
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[UMAX]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[UMAX]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX1:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT2:%.*]], %vector.body ]
@@ -496,18 +473,18 @@ define void @simple_fdiv(float* noalias %dst, float* noalias %src, i64 %n) #0 {
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 [[UMAX]])
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr float, float* [[SRC:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr float, float* [[DST:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr float, float* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP13:%.*]] = bitcast float* [[TMP12]] to <vscale x 4 x float>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0nxv4f32(<vscale x 4 x float>* [[TMP13]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x float> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0nxv4f32(<vscale x 4 x float>* [[TMP13]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x float> poison)
 ; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr float, float* [[TMP11]], i32 0
 ; CHECK-NEXT:    [[TMP15:%.*]] = bitcast float* [[TMP14]] to <vscale x 4 x float>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD5:%.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0nxv4f32(<vscale x 4 x float>* [[TMP15]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x float> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD5:%.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0nxv4f32(<vscale x 4 x float>* [[TMP15]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x float> poison)
 ; CHECK-NEXT:    [[TMP16:%.*]] = fdiv <vscale x 4 x float> [[WIDE_MASKED_LOAD]], [[WIDE_MASKED_LOAD5]]
 ; CHECK-NEXT:    [[TMP17:%.*]] = bitcast float* [[TMP14]] to <vscale x 4 x float>*
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4f32.p0nxv4f32(<vscale x 4 x float> [[TMP16]], <vscale x 4 x float>* [[TMP17]], i32 4, <vscale x 4 x i1> [[TMP9]])
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4f32.p0nxv4f32(<vscale x 4 x float> [[TMP16]], <vscale x 4 x float>* [[TMP17]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]])
 ; CHECK-NEXT:    [[TMP18:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP19:%.*]] = mul i64 [[TMP18]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT2]] = add i64 [[INDEX1]], [[TMP19]]
@@ -550,9 +527,6 @@ define i32 @add_reduction_i32(i32* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[UMAX]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[UMAX]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX1:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT2:%.*]], %vector.body ]
@@ -564,13 +538,13 @@ define i32 @add_reduction_i32(i32* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 [[UMAX]])
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr i32, i32* [[PTR:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <vscale x 4 x i32>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0nxv4i32(<vscale x 4 x i32>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> poison)
 ; CHECK-NEXT:    [[TMP13]] = add <vscale x 4 x i32> [[VEC_PHI]], [[WIDE_MASKED_LOAD]]
-; CHECK-NEXT:    [[TMP16:%.*]] = select <vscale x 4 x i1> [[TMP9]], <vscale x 4 x i32> [[TMP13]], <vscale x 4 x i32> [[VEC_PHI]]
+; CHECK-NEXT:    [[TMP16:%.*]] = select <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x i32> [[TMP13]], <vscale x 4 x i32> [[VEC_PHI]]
 ; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP15:%.*]] = mul i64 [[TMP14]], 4
 ; CHECK-NEXT:    [[INDEX_NEXT2]] = add i64 [[INDEX1]], [[TMP15]]
@@ -612,9 +586,6 @@ define float @add_reduction_f32(float* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[N_RND_UP:%.*]] = add i64 [[UMAX]], [[TMP4]]
 ; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N_RND_UP]], [[TMP1]]
 ; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N_RND_UP]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TRIP_COUNT_MINUS_1:%.*]] = sub i64 [[UMAX]], 1
-; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TRIP_COUNT_MINUS_1]], i32 0
-; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label %vector.body
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX1:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT2:%.*]], %vector.body ]
@@ -626,12 +597,12 @@ define float @add_reduction_f32(float* %ptr, i64 %n) #0 {
 ; CHECK-NEXT:    [[TMP7:%.*]] = mul <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i32 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[BROADCAST_SPLAT4]], [[TMP7]]
 ; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[INDEX1]], 0
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp ule <vscale x 4 x i64> [[INDUCTION]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[ACTIVE_LANE_MASK:%.*]] = call <vscale x 4 x i1> @llvm.get.active.lane.mask.nxv4i1.i64(i64 [[TMP8]], i64 [[UMAX]])
 ; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr float, float* [[PTR:%.*]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr float, float* [[TMP10]], i32 0
 ; CHECK-NEXT:    [[TMP12:%.*]] = bitcast float* [[TMP11]] to <vscale x 4 x float>*
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0nxv4f32(<vscale x 4 x float>* [[TMP12]], i32 4, <vscale x 4 x i1> [[TMP9]], <vscale x 4 x float> poison)
-; CHECK-NEXT:    [[TMP13:%.*]] = select <vscale x 4 x i1> [[TMP9]], <vscale x 4 x float> [[WIDE_MASKED_LOAD]], <vscale x 4 x float> shufflevector (<vscale x 4 x float> insertelement (<vscale x 4 x float> poison, float -0.000000e+00, i32 0), <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x float> @llvm.masked.load.nxv4f32.p0nxv4f32(<vscale x 4 x float>* [[TMP12]], i32 4, <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x float> poison)
+; CHECK-NEXT:    [[TMP13:%.*]] = select <vscale x 4 x i1> [[ACTIVE_LANE_MASK]], <vscale x 4 x float> [[WIDE_MASKED_LOAD]], <vscale x 4 x float> shufflevector (<vscale x 4 x float> insertelement (<vscale x 4 x float> poison, float -0.000000e+00, i32 0), <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer)
 ; CHECK-NEXT:    [[TMP14]] = call float @llvm.vector.reduce.fadd.nxv4f32(float [[VEC_PHI]], <vscale x 4 x float> [[TMP13]])
 ; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP16:%.*]] = mul i64 [[TMP15]], 4

diff  --git a/llvm/test/Transforms/LoopVectorize/AArch64/tail-fold-uniform-memops.ll b/llvm/test/Transforms/LoopVectorize/AArch64/tail-fold-uniform-memops.ll
index a80fb283c58a9..30b8aa0302866 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/tail-fold-uniform-memops.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/tail-fold-uniform-memops.ll
@@ -15,7 +15,7 @@ define void @uniform_load(i32* noalias %dst, i32* noalias readonly %src, i64 %n)
 ; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <4 x i64> [[TMP1]], <4 x i64> poison, <4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <4 x i64> [[TMP2]], <i64 0, i64 1, i64 2, i64 3>
 ; CHECK-NEXT:    [[TMP3:%.*]] = add i64 [[IDX]], 0
-; CHECK-NEXT:    [[LOOP_PRED:%.*]] = icmp ule <4 x i64> [[INDUCTION]]
+; CHECK-NEXT:    [[LOOP_PRED:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 [[TMP3]], i64 %n)
 ; CHECK-NEXT:    [[LOAD_VAL:%.*]] = load i32, i32* %src, align 4
 ; CHECK-NOT:     load i32, i32* %src, align 4
 ; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> poison, i32 [[LOAD_VAL]], i32 0
@@ -58,11 +58,12 @@ define void @cond_uniform_load(i32* nocapture %dst, i32* nocapture readonly %src
 ; CHECK:         [[TMP1:%.*]] = insertelement <4 x i64> poison, i64 [[IDX]], i32 0
 ; CHECK-NEXT:    [[TMP2:%.*]] = shufflevector <4 x i64> [[TMP1]], <4 x i64> poison, <4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[INDUCTION:%.*]] = add <4 x i64> [[TMP2]], <i64 0, i64 1, i64 2, i64 3>
-; CHECK:         [[LOOP_PRED:%.*]] = icmp ule <4 x i64> [[INDUCTION]]
+; CHECK-NEXT:    [[TMP3:%.*]] = add i64 [[IDX]], 0
+; CHECK-NEXT:    [[LOOP_PRED:%.*]] = call <4 x i1> @llvm.get.active.lane.mask.v4i1.i64(i64 [[TMP3]], i64 %n)
 ; CHECK:         [[COND_LOAD:%.*]] = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* {{%.*}}, i32 4, <4 x i1> [[LOOP_PRED]], <4 x i32> poison)
-; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq <4 x i32> [[COND_LOAD]], zeroinitializer
-; CHECK-NEXT:    [[TMP4:%.*]] = xor <4 x i1> [[TMP3]], <i1 true, i1 true, i1 true, i1 true>
-; CHECK-NEXT:    [[MASK:%.*]] = select <4 x i1> [[LOOP_PRED]], <4 x i1> [[TMP4]], <4 x i1> zeroinitializer
+; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq <4 x i32> [[COND_LOAD]], zeroinitializer
+; CHECK-NEXT:    [[TMP5:%.*]] = xor <4 x i1> [[TMP4]], <i1 true, i1 true, i1 true, i1 true>
+; CHECK-NEXT:    [[MASK:%.*]] = select <4 x i1> [[LOOP_PRED]], <4 x i1> [[TMP5]], <4 x i1> zeroinitializer
 ; CHECK-NEXT:    call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> [[SRC_SPLAT]], i32 4, <4 x i1> [[MASK]], <4 x i32> undef)
 entry:
   br label %for.body


        


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