[llvm-branch-commits] [mlir] [MLIR][ArmSVE] Add an ArmSVE dialect operation which maps to svusmmla (PR #135634)
Momchil Velikov via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Tue Apr 15 08:54:34 PDT 2025
https://github.com/momchil-velikov updated https://github.com/llvm/llvm-project/pull/135634
>From 5e91c2eb411cba43794fa7db918e88099885849e Mon Sep 17 00:00:00 2001
From: Momchil Velikov <momchil.velikov at arm.com>
Date: Thu, 10 Apr 2025 14:38:27 +0000
Subject: [PATCH] [MLIR][ArmSVE] Add an ArmSVE dialect operation which maps to
`svusmmla`
---
mlir/include/mlir/Dialect/ArmSVE/IR/ArmSVE.td | 95 +++++++++++--------
.../Transforms/LegalizeForLLVMExport.cpp | 4 +
.../Dialect/ArmSVE/legalize-for-llvm.mlir | 12 +++
mlir/test/Dialect/ArmSVE/roundtrip.mlir | 11 +++
mlir/test/Target/LLVMIR/arm-sve.mlir | 12 +++
5 files changed, 96 insertions(+), 38 deletions(-)
diff --git a/mlir/include/mlir/Dialect/ArmSVE/IR/ArmSVE.td b/mlir/include/mlir/Dialect/ArmSVE/IR/ArmSVE.td
index 3a990f8464ef8..7385bb73b449a 100644
--- a/mlir/include/mlir/Dialect/ArmSVE/IR/ArmSVE.td
+++ b/mlir/include/mlir/Dialect/ArmSVE/IR/ArmSVE.td
@@ -147,11 +147,9 @@ class ScalableMaskedIOp<string mnemonic, string op_description,
"$mask `,` $src1 `,` $src2 attr-dict `:` type($mask) `,` type($res)";
}
-def SdotOp : ArmSVE_Op<"sdot",
- [Pure,
- AllTypesMatch<["src1", "src2"]>,
- AllTypesMatch<["acc", "dst"]>,
- ]> {
+def SdotOp : ArmSVE_Op<"sdot", [Pure,
+ AllTypesMatch<["src1", "src2"]>,
+ AllTypesMatch<["acc", "dst"]>]> {
let summary = "Vector-vector dot product and accumulate op";
let description = [{
SDOT: Signed integer addition of dot product.
@@ -178,11 +176,9 @@ def SdotOp : ArmSVE_Op<"sdot",
"$acc `,` $src1 `,` $src2 attr-dict `:` type($src1) `to` type($dst)";
}
-def SmmlaOp : ArmSVE_Op<"smmla",
- [Pure,
- AllTypesMatch<["src1", "src2"]>,
- AllTypesMatch<["acc", "dst"]>,
- ]> {
+def SmmlaOp : ArmSVE_Op<"smmla", [Pure,
+ AllTypesMatch<["src1", "src2"]>,
+ AllTypesMatch<["acc", "dst"]>]> {
let summary = "Matrix-matrix multiply and accumulate op";
let description = [{
SMMLA: Signed integer matrix multiply-accumulate.
@@ -210,11 +206,9 @@ def SmmlaOp : ArmSVE_Op<"smmla",
"$acc `,` $src1 `,` $src2 attr-dict `:` type($src1) `to` type($dst)";
}
-def UdotOp : ArmSVE_Op<"udot",
- [Pure,
- AllTypesMatch<["src1", "src2"]>,
- AllTypesMatch<["acc", "dst"]>,
- ]> {
+def UdotOp : ArmSVE_Op<"udot", [Pure,
+ AllTypesMatch<["src1", "src2"]>,
+ AllTypesMatch<["acc", "dst"]>]> {
let summary = "Vector-vector dot product and accumulate op";
let description = [{
UDOT: Unsigned integer addition of dot product.
@@ -241,11 +235,9 @@ def UdotOp : ArmSVE_Op<"udot",
"$acc `,` $src1 `,` $src2 attr-dict `:` type($src1) `to` type($dst)";
}
-def UmmlaOp : ArmSVE_Op<"ummla",
- [Pure,
- AllTypesMatch<["src1", "src2"]>,
- AllTypesMatch<["acc", "dst"]>,
- ]> {
+def UmmlaOp : ArmSVE_Op<"ummla", [Pure,
+ AllTypesMatch<["src1", "src2"]>,
+ AllTypesMatch<["acc", "dst"]>]> {
let summary = "Matrix-matrix multiply and accumulate op";
let description = [{
UMMLA: Unsigned integer matrix multiply-accumulate.
@@ -273,14 +265,42 @@ def UmmlaOp : ArmSVE_Op<"ummla",
"$acc `,` $src1 `,` $src2 attr-dict `:` type($src1) `to` type($dst)";
}
+def UsmmlaOp : ArmSVE_Op<"usmmla", [Pure,
+ AllTypesMatch<["src1", "src2"]>,
+ AllTypesMatch<["acc", "dst"]>]> {
+ let summary = "Matrix-matrix multiply and accumulate op";
+ let description = [{
+ USMMLA: Unsigned by signed integer matrix multiply-accumulate.
+
+ The unsigned by signed integer matrix multiply-accumulate operation
+ multiplies the 2×8 matrix of unsigned 8-bit integer values held
+ the first source vector by the 8×2 matrix of signed 8-bit integer
+ values in the second source vector. The resulting 2×2 widened 32-bit
+ integer matrix product is then added to the 32-bit integer matrix
+ accumulator.
+
+ Source:
+ https://developer.arm.com/documentation/100987/0000
+ }];
+ // Supports (vector<16xi8>, vector<16xi8>) -> (vector<4xi32>)
+ let arguments = (ins
+ ScalableVectorOfLengthAndType<[4], [I32]>:$acc,
+ ScalableVectorOfLengthAndType<[16], [I8]>:$src1,
+ ScalableVectorOfLengthAndType<[16], [I8]>:$src2
+ );
+ let results = (outs ScalableVectorOfLengthAndType<[4], [I32]>:$dst);
+ let assemblyFormat =
+ "$acc `,` $src1 `,` $src2 attr-dict `:` type($src1) `to` type($dst)";
+}
+
class SvboolTypeConstraint<string lhsArg, string rhsArg> : TypesMatchWith<
"expected corresponding svbool type widened to [16]xi1",
lhsArg, rhsArg,
"VectorType(VectorType::Builder(::llvm::cast<VectorType>($_self)).setDim(::llvm::cast<VectorType>($_self).getRank() - 1, 16))">;
def ConvertFromSvboolOp : ArmSVE_Op<"convert_from_svbool",
- [Pure, SvboolTypeConstraint<"result", "source">]>
-{
+ [Pure,
+ SvboolTypeConstraint<"result", "source">]> {
let summary = "Convert a svbool type to a SVE predicate type";
let description = [{
Converts svbool types (`vector<[16]xi1>` or vectors of that type, e.g.
@@ -313,8 +333,8 @@ def ConvertFromSvboolOp : ArmSVE_Op<"convert_from_svbool",
}
def ConvertToSvboolOp : ArmSVE_Op<"convert_to_svbool",
- [Pure, SvboolTypeConstraint<"source", "result">]>
-{
+ [Pure,
+ SvboolTypeConstraint<"source", "result">]> {
let summary = "Convert a SVE predicate type to a svbool type";
let description = [{
Converts SVE predicate types (or vectors of predicate types, e.g.
@@ -356,10 +376,9 @@ def ZipInputVectorType : AnyTypeOf<[
Scalable1DVectorOfLength<16, [I8]>],
"an SVE vector with element size <= 64-bit">;
-def ZipX2Op : ArmSVE_Op<"zip.x2", [
- Pure,
- AllTypesMatch<["sourceV1", "sourceV2", "resultV1", "resultV2"]>]
-> {
+def ZipX2Op : ArmSVE_Op<"zip.x2", [Pure,
+ AllTypesMatch<["sourceV1", "sourceV2",
+ "resultV1", "resultV2"]>]> {
let summary = "Multi-vector two-way zip op";
let description = [{
@@ -400,12 +419,11 @@ def ZipX2Op : ArmSVE_Op<"zip.x2", [
}];
}
-def ZipX4Op : ArmSVE_Op<"zip.x4", [
- Pure,
- AllTypesMatch<[
- "sourceV1", "sourceV2", "sourceV3", "sourceV4",
- "resultV1", "resultV2", "resultV3", "resultV4"]>]
-> {
+def ZipX4Op
+ : ArmSVE_Op<"zip.x4",
+ [Pure,
+ AllTypesMatch<["sourceV1", "sourceV2", "sourceV3", "sourceV4",
+ "resultV1", "resultV2", "resultV3", "resultV4"]>]> {
let summary = "Multi-vector four-way zip op";
let description = [{
@@ -463,10 +481,7 @@ def ZipX4Op : ArmSVE_Op<"zip.x4", [
}];
}
-def PselOp : ArmSVE_Op<"psel", [
- Pure,
- AllTypesMatch<["p1", "result"]>,
-]> {
+def PselOp : ArmSVE_Op<"psel", [Pure, AllTypesMatch<["p1", "result"]>]> {
let summary = "Predicate select";
let description = [{
@@ -571,6 +586,10 @@ def SmmlaIntrOp :
ArmSVE_IntrBinaryOverloadedOp<"smmla">,
Arguments<(ins AnyScalableVectorOfAnyRank, AnyScalableVectorOfAnyRank, AnyScalableVectorOfAnyRank)>;
+def UsmmlaIntrOp :
+ ArmSVE_IntrBinaryOverloadedOp<"usmmla">,
+ Arguments<(ins AnyScalableVectorOfAnyRank, AnyScalableVectorOfAnyRank, AnyScalableVectorOfAnyRank)>;
+
def SdotIntrOp :
ArmSVE_IntrBinaryOverloadedOp<"sdot">,
Arguments<(ins AnyScalableVectorOfAnyRank, AnyScalableVectorOfAnyRank, AnyScalableVectorOfAnyRank)>;
diff --git a/mlir/lib/Dialect/ArmSVE/Transforms/LegalizeForLLVMExport.cpp b/mlir/lib/Dialect/ArmSVE/Transforms/LegalizeForLLVMExport.cpp
index 536373b82c67f..35f2a02cc4ec6 100644
--- a/mlir/lib/Dialect/ArmSVE/Transforms/LegalizeForLLVMExport.cpp
+++ b/mlir/lib/Dialect/ArmSVE/Transforms/LegalizeForLLVMExport.cpp
@@ -24,6 +24,7 @@ using SdotOpLowering = OneToOneConvertToLLVMPattern<SdotOp, SdotIntrOp>;
using SmmlaOpLowering = OneToOneConvertToLLVMPattern<SmmlaOp, SmmlaIntrOp>;
using UdotOpLowering = OneToOneConvertToLLVMPattern<UdotOp, UdotIntrOp>;
using UmmlaOpLowering = OneToOneConvertToLLVMPattern<UmmlaOp, UmmlaIntrOp>;
+using UsmmlaOpLowering = OneToOneConvertToLLVMPattern<UsmmlaOp, UsmmlaIntrOp>;
using DupQLaneLowering =
OneToOneConvertToLLVMPattern<DupQLaneOp, DupQLaneIntrOp>;
using ScalableMaskedAddIOpLowering =
@@ -206,6 +207,7 @@ void mlir::populateArmSVELegalizeForLLVMExportPatterns(
SmmlaOpLowering,
UdotOpLowering,
UmmlaOpLowering,
+ UsmmlaOpLowering,
ZipX2OpLowering,
ZipX4OpLowering,
SdotOpLowering>(converter);
@@ -234,6 +236,7 @@ void mlir::configureArmSVELegalizeForExportTarget(
SmmlaIntrOp,
UdotIntrOp,
UmmlaIntrOp,
+ UsmmlaIntrOp,
WhileLTIntrOp,
ZipX2IntrOp,
ZipX4IntrOp,
@@ -254,6 +257,7 @@ void mlir::configureArmSVELegalizeForExportTarget(
SmmlaOp,
UdotOp,
UmmlaOp,
+ UsmmlaOp,
ZipX2Op,
ZipX4Op,
SdotOp>();
diff --git a/mlir/test/Dialect/ArmSVE/legalize-for-llvm.mlir b/mlir/test/Dialect/ArmSVE/legalize-for-llvm.mlir
index 650b3e72d4ecd..8c658db009adf 100644
--- a/mlir/test/Dialect/ArmSVE/legalize-for-llvm.mlir
+++ b/mlir/test/Dialect/ArmSVE/legalize-for-llvm.mlir
@@ -48,6 +48,18 @@ func.func @arm_sve_ummla(%a: vector<[16]xi8>,
// -----
+func.func @arm_sve_usmmla(%a: vector<[16]xi8>,
+ %b: vector<[16]xi8>,
+ %c: vector<[4]xi32>)
+ -> vector<[4]xi32> {
+ // CHECK: arm_sve.intr.usmmla
+ %0 = arm_sve.usmmla %c, %a, %b :
+ vector<[16]xi8> to vector<[4]xi32>
+ return %0 : vector<[4]xi32>
+}
+
+// -----
+
func.func @arm_sve_arithi_masked(%a: vector<[4]xi32>,
%b: vector<[4]xi32>,
%c: vector<[4]xi32>,
diff --git a/mlir/test/Dialect/ArmSVE/roundtrip.mlir b/mlir/test/Dialect/ArmSVE/roundtrip.mlir
index 0f0c5a8575772..64e0cff39eb06 100644
--- a/mlir/test/Dialect/ArmSVE/roundtrip.mlir
+++ b/mlir/test/Dialect/ArmSVE/roundtrip.mlir
@@ -44,6 +44,17 @@ func.func @arm_sve_ummla(%a: vector<[16]xi8>,
// -----
+func.func @arm_sve_usmmla(%a: vector<[16]xi8>,
+ %b: vector<[16]xi8>,
+ %c: vector<[4]xi32>) -> vector<[4]xi32> {
+ // CHECK: arm_sve.usmmla {{.*}}: vector<[16]xi8> to vector<[4]xi3
+ %0 = arm_sve.usmmla %c, %a, %b :
+ vector<[16]xi8> to vector<[4]xi32>
+ return %0 : vector<[4]xi32>
+}
+
+// -----
+
func.func @arm_sve_masked_arithi(%a: vector<[4]xi32>,
%b: vector<[4]xi32>,
%c: vector<[4]xi32>,
diff --git a/mlir/test/Target/LLVMIR/arm-sve.mlir b/mlir/test/Target/LLVMIR/arm-sve.mlir
index 14c68b21fd86c..da71cb5a63bd2 100644
--- a/mlir/test/Target/LLVMIR/arm-sve.mlir
+++ b/mlir/test/Target/LLVMIR/arm-sve.mlir
@@ -48,6 +48,18 @@ llvm.func @arm_sve_ummla(%arg0: vector<[16]xi8>,
llvm.return %0 : vector<[4]xi32>
}
+// CHECK-LABEL: define <vscale x 4 x i32> @arm_sve_usmmla
+llvm.func @arm_sve_usmmla(%arg0: vector<[16]xi8>,
+ %arg1: vector<[16]xi8>,
+ %arg2: vector<[4]xi32>)
+ -> vector<[4]xi32> {
+ // CHECK: call <vscale x 4 x i32> @llvm.aarch64.sve.usmmla.nxv4i32(<vscale x 4
+ %0 = "arm_sve.intr.usmmla"(%arg2, %arg0, %arg1) :
+ (vector<[4]xi32>, vector<[16]xi8>, vector<[16]xi8>)
+ -> vector<[4]xi32>
+ llvm.return %0 : vector<[4]xi32>
+}
+
// CHECK-LABEL: define <vscale x 4 x i32> @arm_sve_arithi
llvm.func @arm_sve_arithi(%arg0: vector<[4]xi32>,
%arg1: vector<[4]xi32>,
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