[ARM,MVE] Integer-type nitpicks in MVE intrinsics.

A few integer types in the ACLE definitions of MVE intrinsics are
given as 'int' or 'unsigned' instead of <stdint.h> fixed-size types
like uint32_t. Usually these are the ones where the size isn't that
important, such as immediate offsets in loads (which have a range
limited by the instruction encoding) or the carry flag in vadcq which
can only be 0 or 1 anyway.

With this change, <arm_mve.h> follows that exact type naming, so that
the function prototypes look identical to the ones in ACLE, instead of
replacing int and unsigned with int32_t and uint32_t.

Reviewers: dmgreen

Subscribers: kristof.beyls, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D69790

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/utils/TableGen/MveEmitter.cpp b/clang/utils/TableGen/MveEmitter.cpp
index 1f9752261fb..ddec171d671 100644
--- a/clang/utils/TableGen/MveEmitter.cpp
+++ b/clang/utils/TableGen/MveEmitter.cpp
@@ -229,6 +229,7 @@ public:
 class ScalarType : public CRegularNamedType {
   ScalarTypeKind Kind;
   unsigned Bits;
+  std::string NameOverride;
 
 public:
   ScalarType(const Record *Record) : CRegularNamedType(TypeKind::Scalar) {
@@ -237,6 +238,7 @@ public:
                .Case("u", ScalarTypeKind::UnsignedInt)
                .Case("f", ScalarTypeKind::Float);
     Bits = Record->getValueAsInt("size");
+    NameOverride = Record->getValueAsString("nameOverride");
   }
   unsigned sizeInBits() const override { return Bits; }
   ScalarTypeKind kind() const { return Kind; }
@@ -244,6 +246,11 @@ public:
   std::string cNameBase() const override {
     return toCPrefix(Kind) + utostr(Bits);
   }
+  std::string cName() const override {
+    if (NameOverride.empty())
+      return CRegularNamedType::cName();
+    return NameOverride;
+  }
   std::string llvmName() const override {
     if (Kind == ScalarTypeKind::Float) {
       if (Bits == 16)
@@ -261,6 +268,7 @@ public:
   }
   bool isInteger() const { return Kind != ScalarTypeKind::Float; }
   bool requiresFloat() const override { return !isInteger(); }
+  bool hasNonstandardName() const { return !NameOverride.empty(); }
 
   static bool classof(const Type *T) {
     return T->typeKind() == TypeKind::Scalar;
@@ -1263,6 +1271,8 @@ void MveEmitter::EmitHeader(raw_ostream &OS) {
                   "typedef float float32_t;\n";
   for (const auto &kv : ScalarTypes) {
     const ScalarType *ST = kv.second.get();
+    if (ST->hasNonstandardName())
+      continue;
     raw_ostream &OS = parts[ST->requiresFloat() ? Float : 0];
     const VectorType *VT = getVectorType(ST);