diff options
| author | Min-Yih Hsu <minyihh@uci.edu> | 2022-04-21 05:57:32 +0300 |
|---|---|---|
| committer | Min-Yih Hsu <minyihh@uci.edu> | 2022-05-15 01:14:40 +0300 |
| commit | 3da65c4c0b00b9fc0cf2db77c18a58bc6fca251f (patch) | |
| tree | d6d702bfa45d0c02696913f6246439083bd69401 /mlir | |
| parent | b8f52c08f85aac47cb2079a7a80a9d88875e0692 (diff) | |
[mlir][LLVMIR] Add support for translating shufflevector
Add support for translating llvm::ShuffleVectorInst
Differential Revision: https://reviews.llvm.org/D125030
Diffstat (limited to 'mlir')
| -rw-r--r-- | mlir/lib/Target/LLVMIR/ConvertFromLLVMIR.cpp | 16 | ||||
| -rw-r--r-- | mlir/test/Target/LLVMIR/Import/basic.ll | 11 |
2 files changed, 26 insertions, 1 deletions
diff --git a/mlir/lib/Target/LLVMIR/ConvertFromLLVMIR.cpp b/mlir/lib/Target/LLVMIR/ConvertFromLLVMIR.cpp index 00f850c5278a..124d82b3f78c 100644 --- a/mlir/lib/Target/LLVMIR/ConvertFromLLVMIR.cpp +++ b/mlir/lib/Target/LLVMIR/ConvertFromLLVMIR.cpp @@ -618,7 +618,7 @@ static StringRef lookupOperationNameFromOpcode(unsigned opcode) { // FIXME: vaarg // FIXME: extractelement // FIXME: insertelement - // FIXME: shufflevector + // ShuffleVector is handled specially. // InsertValue is handled specially. // ExtractValue is handled specially. // FIXME: landingpad @@ -1066,6 +1066,20 @@ LogicalResult Importer::processInstruction(llvm::Instruction *inst) { instMap[inst] = b.create<ExtractValueOp>(loc, type, aggOperand, indices); return success(); } + case llvm::Instruction::ShuffleVector: { + auto *svInst = cast<llvm::ShuffleVectorInst>(inst); + Value vec1 = processValue(svInst->getOperand(0)); + if (!vec1) + return failure(); + Value vec2 = processValue(svInst->getOperand(1)); + if (!vec2) + return failure(); + + ArrayAttr mask = b.getI32ArrayAttr(svInst->getShuffleMask()); + + instMap[inst] = b.create<ShuffleVectorOp>(loc, vec1, vec2, mask); + return success(); + } } } diff --git a/mlir/test/Target/LLVMIR/Import/basic.ll b/mlir/test/Target/LLVMIR/Import/basic.ll index d5a766738803..24810ac7732b 100644 --- a/mlir/test/Target/LLVMIR/Import/basic.ll +++ b/mlir/test/Target/LLVMIR/Import/basic.ll @@ -572,3 +572,14 @@ define void @insert_extract_value_array([4 x [4 x i8]] %x1) { ret void } +; Shufflevector +; CHECK-LABEL: llvm.func @shuffle_vec +define <4 x half> @shuffle_vec(<4 x half>* %arg0, <4 x half>* %arg1) { + ; CHECK: %[[V0:.+]] = llvm.load %{{.+}} : !llvm.ptr<vector<4xf16>> + %val0 = load <4 x half>, <4 x half>* %arg0 + ; CHECK: %[[V1:.+]] = llvm.load %{{.+}} : !llvm.ptr<vector<4xf16>> + %val1 = load <4 x half>, <4 x half>* %arg1 + ; CHECK: llvm.shufflevector %[[V0]], %[[V1]] [2 : i32, 3 : i32, -1 : i32, -1 : i32] : vector<4xf16>, vector<4xf16> + %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 +} |