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Fix crash when using when using --finalize-memref-to-llvm #112433

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Merged
merged 7 commits into from
Nov 8, 2024
Merged

Fix crash when using when using --finalize-memref-to-llvm #112433

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b8780fb
Fix crash when using when using --finalize-memref-to-llvm
siddhesh195 Oct 15, 2024
b3eba80
Resolve test failure due to incorrect usage of getInt()
siddhesh195 Oct 16, 2024
709f0ce
Update mlir/lib/Conversion/LLVMCommon/TypeConverter.cpp
siddhesh195 Oct 18, 2024
419342b
Emit error message on the operation
siddhesh195 Oct 18, 2024
46719a2
Merge branch 'main' of https://github.com/siddhesh195/llvm-project
siddhesh195 Oct 18, 2024
b039d7a
Fix clang-format error
siddhesh195 Oct 30, 2024
9904acb
Merge branch 'main' into main
siddhesh195 Nov 8, 2024
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7 changes: 5 additions & 2 deletions mlir/lib/Conversion/LLVMCommon/TypeConverter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -527,8 +527,11 @@ LLVMTypeConverter::getMemRefAddressSpace(BaseMemRefType type) const {
return failure();
if (!(*converted)) // Conversion to default is 0.
return 0;
if (auto explicitSpace = llvm::dyn_cast_if_present<IntegerAttr>(*converted))
return explicitSpace.getInt();
if (auto explicitSpace = dyn_cast_if_present<IntegerAttr>(*converted)) {
if (explicitSpace.getType().isIndex() ||
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@krzysz00 krzysz00 Oct 23, 2024

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Could we instead change this to get the integer out of uiN attributes instead?

If not, this is reasonably approved

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@siddhesh195 siddhesh195 Oct 24, 2024

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Thanks, there currently is no separate attributes defined for signless and signed integer in BuiltinAttributes and IntegerAttr represents both signless and signed. BuiltinAttributes

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@siddhesh195 siddhesh195 Nov 8, 2024

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Thank you for the reviews. If the PR looks good, can someone help merge because I don't have write access

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@krzysz00 krzysz00 Nov 8, 2024

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I'll run CI and land this, thanks for helping!

explicitSpace.getType().isSignlessInteger())
return explicitSpace.getInt();
}
return failure();
}

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6 changes: 6 additions & 0 deletions mlir/lib/Conversion/MemRefToLLVM/AllocLikeConversion.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,12 @@ std::tuple<Value, Value> AllocationOpLLVMLowering::allocateBufferManuallyAlign(
MemRefType memRefType = getMemRefResultType(op);
// Allocate the underlying buffer.
Type elementPtrType = this->getElementPtrType(memRefType);
if (!elementPtrType) {
emitError(loc,"conversion of memref memory space ")
<< memRefType.getMemorySpace()
<< " to integer address space "
"failed. Consider adding memory space conversions.";
}
LLVM::LLVMFuncOp allocFuncOp = getNotalignedAllocFn(
getTypeConverter(), op->getParentWithTrait<OpTrait::SymbolTable>(),
getIndexType());
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8 changes: 8 additions & 0 deletions mlir/test/Conversion/MemRefToLLVM/invalid-uint.mlir
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@@ -0,0 +1,8 @@
// RUN: mlir-opt %s -finalize-memref-to-llvm -verify-diagnostics

// CHECK-LABEL: @invalid_int_conversion
func.func @invalid_int_conversion() {
// expected-error@+1 {{conversion of memref memory space 1 : ui64 to integer address space failed. Consider adding memory space conversions.}}
%alloc = memref.alloc() {alignment = 64 : i64} : memref<10xf32, 1 : ui64>
return
}
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