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[mlir][emitc] Support dense as init value for ShapedType #144826

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Merged
merged 1 commit into from
Aug 19, 2025
Merged

[mlir][emitc] Support dense as init value for ShapedType #144826

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4 changes: 2 additions & 2 deletions mlir/lib/Target/Cpp/TranslateToCpp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1447,7 +1447,7 @@ LogicalResult CppEmitter::emitAttribute(Location loc, Attribute attr) {
}
if (auto dense = dyn_cast<DenseIntElementsAttr>(attr)) {
if (auto iType = dyn_cast<IntegerType>(
cast<TensorType>(dense.getType()).getElementType())) {
cast<ShapedType>(dense.getType()).getElementType())) {
os << '{';
interleaveComma(dense, os, [&](const APInt &val) {
printInt(val, shouldMapToUnsigned(iType.getSignedness()));
Expand All @@ -1456,7 +1456,7 @@ LogicalResult CppEmitter::emitAttribute(Location loc, Attribute attr) {
return success();
}
if (auto iType = dyn_cast<IndexType>(
cast<TensorType>(dense.getType()).getElementType())) {
cast<ShapedType>(dense.getType()).getElementType())) {
os << '{';
interleaveComma(dense, os,
[&](const APInt &val) { printInt(val, false); });
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8 changes: 8 additions & 0 deletions mlir/test/Target/Cpp/const.mlir
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Expand Up @@ -16,6 +16,8 @@ func.func @emitc_constant() {
%c8 = "emitc.constant"(){value = dense<0> : tensor<i32>} : () -> tensor<i32>
%c9 = "emitc.constant"(){value = dense<[0, 1]> : tensor<2xindex>} : () -> tensor<2xindex>
%c10 = "emitc.constant"(){value = dense<[[0.0, 1.0], [2.0, 3.0]]> : tensor<2x2xf32>} : () -> tensor<2x2xf32>
%c11 = "emitc.constant"(){value = dense<[0, 1]> : !emitc.array<2xindex>} : () -> !emitc.array<2xindex>
%c12 = "emitc.constant"(){value = dense<[0.0, 1.0]> : !emitc.array<2xf32>} : () -> !emitc.array<2xf32>
return
}
// CPP-DEFAULT: void emitc_constant() {
Expand All @@ -33,6 +35,8 @@ func.func @emitc_constant() {
// CPP-DEFAULT-NEXT: Tensor<int32_t> [[V8:[^ ]*]] = {0};
// CPP-DEFAULT-NEXT: Tensor<size_t, 2> [[V9:[^ ]*]] = {0, 1};
// CPP-DEFAULT-NEXT: Tensor<float, 2, 2> [[V10:[^ ]*]] = {0.0e+00f, 1.000000000e+00f, 2.000000000e+00f, 3.000000000e+00f};
// CPP-DEFAULT-NEXT: size_t [[V11:[^ ]*]][2] = {0, 1};
// CPP-DEFAULT-NEXT: float [[V12:[^ ]*]][2] = {0.0e+00f, 1.000000000e+00f};

// CPP-DECLTOP: void emitc_constant() {
// CPP-DECLTOP-NEXT: int32_t [[V0:[^ ]*]];
Expand All @@ -49,6 +53,8 @@ func.func @emitc_constant() {
// CPP-DECLTOP-NEXT: Tensor<int32_t> [[V8:[^ ]*]];
// CPP-DECLTOP-NEXT: Tensor<size_t, 2> [[V9:[^ ]*]];
// CPP-DECLTOP-NEXT: Tensor<float, 2, 2> [[V10:[^ ]*]];
// CPP-DECLTOP-NEXT: size_t [[V11:[^ ]*]][2];
// CPP-DECLTOP-NEXT: float [[V12:[^ ]*]][2];
// CPP-DECLTOP-NEXT: [[V0]] = INT_MAX;
// CPP-DECLTOP-NEXT: [[V1]] = 42;
// CPP-DECLTOP-NEXT: [[V2]] = -1;
Expand All @@ -63,3 +69,5 @@ func.func @emitc_constant() {
// CPP-DECLTOP-NEXT: [[V8]] = {0};
// CPP-DECLTOP-NEXT: [[V9]] = {0, 1};
// CPP-DECLTOP-NEXT: [[V10]] = {0.0e+00f, 1.000000000e+00f, 2.000000000e+00f, 3.000000000e+00f};
// CPP-DECLTOP-NEXT: [[V11]] = {0, 1};
// CPP-DECLTOP-NEXT: [[V12]] = {0.0e+00f, 1.000000000e+00f};