@@ -326,6 +326,50 @@ InstructionCost
RISCVTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
switch (Kind) {
default:
break;
+case TTI::SK_ExtractSubvector:
+ if (isa(SubTp)) {
+unsigned TpRegs = getRegUsageForType(Tp);
+unsigned NumElems =
+
@@ -326,6 +326,50 @@ InstructionCost
RISCVTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
switch (Kind) {
default:
break;
+case TTI::SK_ExtractSubvector:
+ if (isa(SubTp)) {
+unsigned TpRegs = getRegUsageForType(Tp);
+unsigned NumElems =
+
@@ -326,6 +326,50 @@ InstructionCost
RISCVTTIImpl::getShuffleCost(TTI::ShuffleKind Kind,
switch (Kind) {
default:
break;
+case TTI::SK_ExtractSubvector:
+ if (isa(SubTp)) {
+unsigned TpRegs = getRegUsageForType(Tp);
+unsigned NumElems =
+
preames wrote:
FYI - https://github.com/llvm/llvm-project/pull/80360 adds testing
infrastructure to exercise the TTI hooks.
https://github.com/llvm/llvm-project/pull/80310
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@@ -7,7 +7,7 @@ define i32 @test(ptr noalias %p, ptr noalias %addr) {
; CHECK-NEXT: entry:
; CHECK-NEXT:[[TMP0:%.*]] = insertelement <8 x ptr> poison, ptr
[[ADDR:%.*]], i32 0
; CHECK-NEXT:[[TMP1:%.*]] = shufflevector <8 x ptr> [[TMP0]], <8 x ptr>
poison, <8 x i32> ze
https://github.com/preames edited
https://github.com/llvm/llvm-project/pull/80310
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@@ -3930,30 +4065,68 @@ static LoadsState canVectorizeLoads(ArrayRef
VL, const Value *VL0,
std::optional Diff =
getPointersDiff(ScalarTy, Ptr0, ScalarTy, PtrN, DL, SE);
// Check that the sorted loads are consecutive.
- if (static_cast(*Diff) == VL.si
@@ -397,27 +241,12 @@ define void @test3([48 x float]* %p, float* noalias %s) {
; CHECK-NEXT: entry:
; CHECK-NEXT:[[ARRAYIDX:%.*]] = getelementptr inbounds [48 x float], ptr
[[P:%.*]], i64 0, i64 0
; CHECK-NEXT:[[ARRAYIDX2:%.*]] = getelementptr inbounds float, ptr
[[
@@ -17,7 +17,7 @@ define i16 @test() {
; CHECK-NEXT:[[TMP4:%.*]] = call <2 x i16>
@llvm.masked.gather.v2i16.v2p0(<2 x ptr> [[TMP3]], i32 2, <2 x i1> , <2 x i16> poison)
; CHECK-NEXT:[[TMP5:%.*]] = extractelement <2 x i16> [[TMP4]], i32 0
; CHECK-NEXT:[[TMP6:%.*]] =
@@ -30,7 +30,7 @@ define void @test() {
; CHECK-SLP-THRESHOLD: bb:
; CHECK-SLP-THRESHOLD-NEXT:[[TMP0:%.*]] = insertelement <4 x ptr> poison,
ptr [[COND_IN_V]], i32 0
; CHECK-SLP-THRESHOLD-NEXT:[[TMP1:%.*]] = shufflevector <4 x ptr>
[[TMP0]], <4 x ptr> poison, <4
https://github.com/preames commented:
These comments are trying to be helpful in pointing out bits which might be
simplified or split off, but my track record with SLP reviews is not great.
Feel free to ignore any or all of these.
https://github.com/llvm/llvm-project/pull/80310
@@ -3930,30 +4065,68 @@ static LoadsState canVectorizeLoads(ArrayRef
VL, const Value *VL0,
std::optional Diff =
getPointersDiff(ScalarTy, Ptr0, ScalarTy, PtrN, DL, SE);
// Check that the sorted loads are consecutive.
- if (static_cast(*Diff) == VL.si
@@ -3878,6 +3883,130 @@ static Align computeCommonAlignment(ArrayRef
VL) {
return CommonAlignment;
}
+/// Check if \p Order represents reverse order.
+static bool isReverseOrder(ArrayRef Order) {
+ unsigned Sz = Order.size();
+ return !Order.empty() && all_of(enumerate(Or
@@ -149,7 +149,7 @@ Open Clang Projects
If you hit a bug with Clang, it is very useful for us if you reduce the code
that demonstrates the problem down to something small. There are many ways to
do this; ask on https://discourse.llvm.org/c/clang";>Discourse,
-https://discord.co
https://github.com/preames edited
https://github.com/llvm/llvm-project/pull/126352
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https://github.com/preames approved this pull request.
LGTM w/requested change.
Another option would be to expand a section on joining discord somewhere, and
then scatter links to that in the docs instead of the invite link itself.
https://github.com/llvm/llvm-project/pull/126352
https://github.com/preames approved this pull request.
LGTM
https://github.com/llvm/llvm-project/pull/138940
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