maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[mlir][LLVMIR] Add support for translating insertelement/extractelement. 

Add support for translating llvm::InsertElement and llvm::ExtractElement.

Differential Revision: https://reviews.llvm.org/D125674
This commit is contained in:
jacquesguan 2022-05-16 09:19:17 +00:00
parent 452fac9534
commit 9b519f416b
2 changed files with 26 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
mlir/lib/Target/LLVMIR/ConvertFromLLVMIR.cpp
View File

@ -616,8 +616,7 @@ static StringRef lookupOperationNameFromOpcode(unsigned opcode) {
INST(Freeze, Freeze), INST(Call, Call),
// FIXME: select
// FIXME: vaarg
// FIXME: extractelement
// FIXME: insertelement
INST(ExtractElement, ExtractElement), INST(InsertElement, InsertElement),
// ShuffleVector is handled specially.
// InsertValue is handled specially.
// ExtractValue is handled specially.
@ -775,7 +774,9 @@ LogicalResult Importer::processInstruction(llvm::Instruction *inst) {
case llvm::Instruction::IntToPtr:
case llvm::Instruction::AddrSpaceCast:
case llvm::Instruction::Freeze:
case llvm::Instruction::BitCast: {
case llvm::Instruction::BitCast:
case llvm::Instruction::ExtractElement:
case llvm::Instruction::InsertElement: {
OperationState state(loc, lookupOperationNameFromOpcode(inst->getOpcode()));
SmallVector<Value, 4> ops;
ops.reserve(inst->getNumOperands());

22
mlir/test/Target/LLVMIR/Import/basic.ll
View File

@ -583,3 +583,25 @@ define <4 x half> @shuffle_vec(<4 x half>* %arg0, <4 x half>* %arg1) {
%shuffle = shufflevector <4 x half> %val0, <4 x half> %val1, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
ret <4 x half> %shuffle
}
; ExtractElement
; CHECK-LABEL: llvm.func @extract_element
define half @extract_element(<4 x half>* %vec, i32 %idx) {
; CHECK: %[[V0:.+]] = llvm.load %{{.+}} : !llvm.ptr<vector<4xf16>>
%val0 = load <4 x half>, <4 x half>* %vec
; CHECK: %[[V1:.+]] = llvm.extractelement %[[V0]][%{{.+}} : i32] : vector<4xf16>
%r = extractelement <4 x half> %val0, i32 %idx
; CHECK: llvm.return %[[V1]]
ret half %r
}
; InsertElement
; CHECK-LABEL: llvm.func @insert_element
define <4 x half> @insert_element(<4 x half>* %vec, half %v, i32 %idx) {
; CHECK: %[[V0:.+]] = llvm.load %{{.+}} : !llvm.ptr<vector<4xf16>>
%val0 = load <4 x half>, <4 x half>* %vec
; CHECK: %[[V1:.+]] = llvm.insertelement %{{.+}}, %[[V0]][%{{.+}} : i32] : vector<4xf16>
%r = insertelement <4 x half> %val0, half %v, i32 %idx
; CHECK: llvm.return %[[V1]]
ret <4 x half> %r
}