[PATCH] D125557: [APInt] Remove all uses of zextOrSelf, sextOrSelf and truncOrSelf

[Jay Foad via Phabricator via cfe-commits]

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Most clients only used these methods because they wanted to be able to
extend or truncate to the same bit width (which is a no-op). Now that
the standard zext, sext and trunc allow this, there is no reason to use
the OrSelf versions.

The OrSelf versions additionally have the strange behaviour of allowing
extending to a *smaller* width, or truncating to a *larger* width, which
are also treated as no-ops. A small amount of client code relied on this
(ConstantRange::castOp and MicrosoftCXXNameMangler::mangleNumber) and
needed rewriting.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125557

Files:
  clang/lib/AST/ExprConstant.cpp
  clang/lib/AST/MicrosoftMangle.cpp
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/lib/Sema/SemaDecl.cpp
  clang/lib/StaticAnalyzer/Core/LoopUnrolling.cpp
  llvm/lib/Analysis/BasicAliasAnalysis.cpp
  llvm/lib/Analysis/ConstantFolding.cpp
  llvm/lib/Analysis/LazyValueInfo.cpp
  llvm/lib/Analysis/MemoryBuiltins.cpp
  llvm/lib/Analysis/ScalarEvolution.cpp
  llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/lib/IR/ConstantRange.cpp
  llvm/lib/Support/APFixedPoint.cpp
  llvm/lib/Support/APInt.cpp
  llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  llvm/lib/Target/Hexagon/HexagonConstPropagation.cpp
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/lib/Target/X86/X86TargetTransformInfo.cpp
  llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
  llvm/lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
  llvm/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
  llvm/test/TableGen/VarLenEncoder.td
  llvm/utils/TableGen/VarLenCodeEmitterGen.cpp
  polly/lib/CodeGen/IslExprBuilder.cpp

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