[flang-commits] [flang] [flang][NFC] rename fircg op operand index accessors (PR #100584)

via flang-commits flang-commits at lists.llvm.org
Thu Jul 25 08:06:40 PDT 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-flang-codegen

Author: None (jeanPerier)

<details>
<summary>Changes</summary>

fircg operations have xxxOffset members to give the operand index of operand xxx. This is a bit weird when looking at usage (e.g. `arrayCoor.shiftOffset` reads like it is shifting some offset). Rename them to getXxxOperandIndex.

---
Full diff: https://github.com/llvm/llvm-project/pull/100584.diff


3 Files Affected:

- (modified) flang/include/flang/Optimizer/CodeGen/CGOps.td (+49-25) 
- (modified) flang/include/flang/Optimizer/Dialect/FIROps.td (+1-1) 
- (modified) flang/lib/Optimizer/CodeGen/CodeGen.cpp (+23-22) 


``````````diff
diff --git a/flang/include/flang/Optimizer/CodeGen/CGOps.td b/flang/include/flang/Optimizer/CodeGen/CGOps.td
index c375edee1fa77..f4740a263ffd2 100644
--- a/flang/include/flang/Optimizer/CodeGen/CGOps.td
+++ b/flang/include/flang/Optimizer/CodeGen/CGOps.td
@@ -78,16 +78,24 @@ def fircg_XEmboxOp : fircg_Op<"ext_embox", [AttrSizedOperandSegments]> {
     unsigned getOutRank();
 
     // The shape operands are mandatory and always start at 1.
-    unsigned shapeOffset() { return 1; }
-    unsigned shiftOffset() { return shapeOffset() + getShape().size(); }
-    unsigned sliceOffset() { return shiftOffset() + getShift().size(); }
-    unsigned subcomponentOffset() { return sliceOffset() + getSlice().size(); }
-    unsigned substrOffset() {
-      return subcomponentOffset() + getSubcomponent().size();
+    unsigned getShapeOperandIndex() { return 1; }
+    unsigned getShiftOperandIndex() {
+      return getShapeOperandIndex() + getShape().size();
     }
-    unsigned lenParamOffset() { return substrOffset() + getSubstr().size(); }
-    unsigned getSourceBoxOffset() {
-      return lenParamOffset() + getLenParams().size();
+    unsigned getSliceOperandIndex() {
+      return getShiftOperandIndex() + getShift().size();
+    }
+    unsigned getSubcomponentOperandIndex() {
+      return getSliceOperandIndex() + getSlice().size();
+    }
+    unsigned getSubstrOperandIndex() {
+      return getSubcomponentOperandIndex() + getSubcomponent().size();
+    }
+    unsigned getLenParamOperandIndex() {
+      return getSubstrOperandIndex() + getSubstr().size();
+    }
+    unsigned getSourceBoxOperandIndex() {
+      return getLenParamOperandIndex() + getLenParams().size();
     }
   }];
 }
@@ -135,12 +143,18 @@ def fircg_XReboxOp : fircg_Op<"ext_rebox", [AttrSizedOperandSegments]> {
     // The rank of the result box
     unsigned getOutRank();
 
-    unsigned shapeOffset() { return 1; }
-    unsigned shiftOffset() { return shapeOffset() + getShape().size(); }
-    unsigned sliceOffset() { return shiftOffset() + getShift().size(); }
-    unsigned subcomponentOffset() { return sliceOffset() + getSlice().size(); }
-    unsigned substrOffset() {
-      return subcomponentOffset() + getSubcomponent().size();
+    unsigned getShapeOperandIndex() { return 1; }
+    unsigned getShiftOperandIndex() {
+      return getShapeOperandIndex() + getShape().size();
+    }
+    unsigned getSliceOperandIndex() {
+      return getShiftOperandIndex() + getShift().size();
+    }
+    unsigned getSubcomponentOperandIndex() {
+      return getSliceOperandIndex() + getSlice().size();
+    }
+    unsigned getSubstrOperandIndex() {
+      return getSubcomponentOperandIndex() + getSubcomponent().size();
     }
   }];
 }
@@ -193,14 +207,22 @@ def fircg_XArrayCoorOp : fircg_Op<"ext_array_coor", [AttrSizedOperandSegments]>
     unsigned getRank();
 
     // Shape is optional, but if it exists, it will be at offset 1.
-    unsigned shapeOffset() { return 1; }
-    unsigned shiftOffset() { return shapeOffset() + getShape().size(); }
-    unsigned sliceOffset() { return shiftOffset() + getShift().size(); }
-    unsigned subcomponentOffset() { return sliceOffset() + getSlice().size(); }
-    unsigned indicesOffset() {
-      return subcomponentOffset() + getSubcomponent().size();
-    }
-    unsigned lenParamsOffset() { return indicesOffset() + getIndices().size(); }
+    unsigned getShapeOperandIndex() { return 1; }
+    unsigned getShiftOperandIndex() {
+      return getShapeOperandIndex() + getShape().size();
+    }
+    unsigned getSliceOperandIndex() {
+      return getShiftOperandIndex() + getShift().size();
+    }
+    unsigned getSubcomponentOperandIndex() {
+      return getSliceOperandIndex() + getSlice().size();
+    }
+    unsigned getIndicesOperandIndex() {
+      return getSubcomponentOperandIndex() + getSubcomponent().size();
+    }
+    unsigned getLenParamsOperandIndex() {
+    return getIndicesOperandIndex() + getIndices().size();
+    }
   }];
 }
 
@@ -231,8 +253,10 @@ def fircg_XDeclareOp : fircg_Op<"ext_declare", [AttrSizedOperandSegments]> {
 
   let extraClassDeclaration = [{
     // Shape is optional, but if it exists, it will be at offset 1.
-    unsigned shapeOffset() { return 1; }
-    unsigned shiftOffset() { return shapeOffset() + getShape().size(); }
+    unsigned getShapeOperandIndex() { return 1; }
+    unsigned getShiftOperandIndex() {
+      return getShapeOperandIndex() + getShape().size();
+    }
   }];
 }
 
diff --git a/flang/include/flang/Optimizer/Dialect/FIROps.td b/flang/include/flang/Optimizer/Dialect/FIROps.td
index 89c13fa7cebe6..bee8e8f603ce3 100644
--- a/flang/include/flang/Optimizer/Dialect/FIROps.td
+++ b/flang/include/flang/Optimizer/Dialect/FIROps.td
@@ -817,7 +817,7 @@ def fir_EmboxOp : fir_Op<"embox", [NoMemoryEffect, AttrSizedOperandSegments]> {
   let extraClassDeclaration = [{
     bool hasLenParams() { return !getTypeparams().empty(); }
     unsigned numLenParams() { return getTypeparams().size(); }
-    unsigned getSourceBoxOffset() {
+    unsigned getSourceBoxOperandIndex() {
       return 1 + (getShape() ? 1 : 0) + (getSlice() ? 1 : 0)
           + numLenParams();
     }
diff --git a/flang/lib/Optimizer/CodeGen/CodeGen.cpp b/flang/lib/Optimizer/CodeGen/CodeGen.cpp
index f9ea92a843b23..99f1453f1314b 100644
--- a/flang/lib/Optimizer/CodeGen/CodeGen.cpp
+++ b/flang/lib/Optimizer/CodeGen/CodeGen.cpp
@@ -1431,8 +1431,8 @@ struct EmboxCommonConversion : public fir::FIROpConversion<OP> {
             fir::unwrapPassByRefType(memref.getType()))))
       TODO(xbox.getLoc(),
            "fir.embox codegen dynamic size component in derived type");
-    indices.append(operands.begin() + xbox.subcomponentOffset(),
-                   operands.begin() + xbox.subcomponentOffset() +
+    indices.append(operands.begin() + xbox.getSubcomponentOperandIndex(),
+                   operands.begin() + xbox.getSubcomponentOperandIndex() +
                        xbox.getSubcomponent().size());
   }
 
@@ -1487,7 +1487,7 @@ struct EmboxOpConversion : public EmboxCommonConversion<fir::EmboxOp> {
     mlir::Value sourceBox;
     mlir::Type sourceBoxType;
     if (embox.getSourceBox()) {
-      sourceBox = operands[embox.getSourceBoxOffset()];
+      sourceBox = operands[embox.getSourceBoxOperandIndex()];
       sourceBoxType = embox.getSourceBox().getType();
     }
     assert(!embox.getShape() && "There should be no dims on this embox op");
@@ -1519,7 +1519,7 @@ struct XEmboxOpConversion : public EmboxCommonConversion<fir::cg::XEmboxOp> {
     mlir::Value sourceBox;
     mlir::Type sourceBoxType;
     if (xbox.getSourceBox()) {
-      sourceBox = operands[xbox.getSourceBoxOffset()];
+      sourceBox = operands[xbox.getSourceBoxOperandIndex()];
       sourceBoxType = xbox.getSourceBox().getType();
     }
     auto [boxTy, dest, resultEleSize] = consDescriptorPrefix(
@@ -1529,11 +1529,11 @@ struct XEmboxOpConversion : public EmboxCommonConversion<fir::cg::XEmboxOp> {
     // Generate the triples in the dims field of the descriptor
     auto i64Ty = mlir::IntegerType::get(xbox.getContext(), 64);
     assert(!xbox.getShape().empty() && "must have a shape");
-    unsigned shapeOffset = xbox.shapeOffset();
+    unsigned shapeOffset = xbox.getShapeOperandIndex();
     bool hasShift = !xbox.getShift().empty();
-    unsigned shiftOffset = xbox.shiftOffset();
+    unsigned shiftOffset = xbox.getShiftOperandIndex();
     bool hasSlice = !xbox.getSlice().empty();
-    unsigned sliceOffset = xbox.sliceOffset();
+    unsigned sliceOffset = xbox.getSliceOperandIndex();
     mlir::Location loc = xbox.getLoc();
     mlir::Value zero = genConstantIndex(loc, i64Ty, rewriter, 0);
     mlir::Value one = genConstantIndex(loc, i64Ty, rewriter, 1);
@@ -1682,7 +1682,7 @@ struct XEmboxOpConversion : public EmboxCommonConversion<fir::cg::XEmboxOp> {
       if (hasSubcomp)
         getSubcomponentIndices(xbox, xbox.getMemref(), operands, fieldIndices);
       if (hasSubstr)
-        substringOffset = operands[xbox.substrOffset()];
+        substringOffset = operands[xbox.getSubstrOperandIndex()];
       mlir::Type llvmBaseType =
           convertType(fir::unwrapRefType(xbox.getMemref().getType()));
       base = genBoxOffsetGep(rewriter, loc, base, llvmBaseType, ptrOffset,
@@ -1843,7 +1843,7 @@ struct XReboxOpConversion : public EmboxCommonConversion<fir::cg::XReboxOp> {
       if (!rebox.getSubcomponent().empty())
         getSubcomponentIndices(rebox, rebox.getBox(), operands, fieldIndices);
       if (!rebox.getSubstr().empty())
-        substringOffset = operands[rebox.substrOffset()];
+        substringOffset = operands[rebox.getSubstrOperandIndex()];
       base = genBoxOffsetGep(rewriter, loc, base, llvmBaseObjectType, zero,
                              /*cstInteriorIndices=*/std::nullopt, fieldIndices,
                              substringOffset);
@@ -1862,8 +1862,8 @@ struct XReboxOpConversion : public EmboxCommonConversion<fir::cg::XReboxOp> {
     llvm::SmallVector<mlir::Value> slicedStrides;
     mlir::Value one = genConstantIndex(loc, idxTy, rewriter, 1);
     const bool sliceHasOrigins = !rebox.getShift().empty();
-    unsigned sliceOps = rebox.sliceOffset();
-    unsigned shiftOps = rebox.shiftOffset();
+    unsigned sliceOps = rebox.getSliceOperandIndex();
+    unsigned shiftOps = rebox.getShiftOperandIndex();
     auto strideOps = inputStrides.begin();
     const unsigned inputRank = inputStrides.size();
     for (unsigned i = 0; i < inputRank;
@@ -1912,9 +1912,10 @@ struct XReboxOpConversion : public EmboxCommonConversion<fir::cg::XReboxOp> {
              mlir::Value base, mlir::ValueRange inputExtents,
              mlir::ValueRange inputStrides, mlir::ValueRange operands,
              mlir::ConversionPatternRewriter &rewriter) const {
-    mlir::ValueRange reboxShifts{operands.begin() + rebox.shiftOffset(),
-                                 operands.begin() + rebox.shiftOffset() +
-                                     rebox.getShift().size()};
+    mlir::ValueRange reboxShifts{
+        operands.begin() + rebox.getShiftOperandIndex(),
+        operands.begin() + rebox.getShiftOperandIndex() +
+            rebox.getShift().size()};
     if (rebox.getShape().empty()) {
       // Only setting new lower bounds.
       return finalizeRebox(rebox, destBoxTy, dest, base, reboxShifts,
@@ -1934,7 +1935,7 @@ struct XReboxOpConversion : public EmboxCommonConversion<fir::cg::XReboxOp> {
                              ? genConstantIndex(loc, idxTy, rewriter, 1)
                              : inputStrides[0];
     for (unsigned i = 0; i < rebox.getShape().size(); ++i) {
-      mlir::Value rawExtent = operands[rebox.shapeOffset() + i];
+      mlir::Value rawExtent = operands[rebox.getShapeOperandIndex() + i];
       mlir::Value extent = integerCast(loc, rewriter, idxTy, rawExtent);
       newExtents.emplace_back(extent);
       newStrides.emplace_back(stride);
@@ -2137,10 +2138,10 @@ struct XArrayCoorOpConversion
     assert(coor.getShift().empty() || coor.getShift().size() == rank);
     assert(coor.getSlice().empty() || coor.getSlice().size() == 3 * rank);
     mlir::Type idxTy = lowerTy().indexType();
-    unsigned indexOffset = coor.indicesOffset();
-    unsigned shapeOffset = coor.shapeOffset();
-    unsigned shiftOffset = coor.shiftOffset();
-    unsigned sliceOffset = coor.sliceOffset();
+    unsigned indexOffset = coor.getIndicesOperandIndex();
+    unsigned shapeOffset = coor.getShapeOperandIndex();
+    unsigned shiftOffset = coor.getShiftOperandIndex();
+    unsigned sliceOffset = coor.getSliceOperandIndex();
     auto sliceOps = coor.getSlice().begin();
     mlir::Value one = genConstantIndex(loc, idxTy, rewriter, 1);
     mlir::Value prevExt = one;
@@ -2238,7 +2239,7 @@ struct XArrayCoorOpConversion
       }
       llvm::SmallVector<mlir::Value> indices = convertSubcomponentIndices(
           loc, elementType,
-          operands.slice(coor.subcomponentOffset(),
+          operands.slice(coor.getSubcomponentOperandIndex(),
                          coor.getSubcomponent().size()));
       args.append(indices.begin(), indices.end());
       rewriter.replaceOpWithNewOp<mlir::LLVM::GEPOp>(coor, llvmPtrTy,
@@ -2262,7 +2263,7 @@ struct XArrayCoorOpConversion
         if (fir::characterWithDynamicLen(eleTy)) {
           assert(coor.getLenParams().size() == 1);
           auto length = integerCast(loc, rewriter, idxTy,
-                                    operands[coor.lenParamsOffset()]);
+                                    operands[coor.getLenParamsOperandIndex()]);
           offset = rewriter.create<mlir::LLVM::MulOp>(loc, idxTy, offset,
                                                       length, nsw);
         } else {
@@ -2275,7 +2276,7 @@ struct XArrayCoorOpConversion
       args.push_back(offset);
       llvm::SmallVector<mlir::Value> indices = convertSubcomponentIndices(
           loc, gepObjectType,
-          operands.slice(coor.subcomponentOffset(),
+          operands.slice(coor.getSubcomponentOperandIndex(),
                          coor.getSubcomponent().size()));
       args.append(indices.begin(), indices.end());
     }

``````````

</details>


https://github.com/llvm/llvm-project/pull/100584


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