Author: lattner
Date: Wed Oct 21 01:24:21 2009
New Revision: 84746
URL: http://llvm.org/viewvc/llvm-project?rev=84746&view=rev
Log:
add helpful methods to TargetInfo for querying builtin integer type properties,
patch by Ken Dyck!
Modified:
cfe/trunk/include/clang/Basic/TargetInfo.h
cfe/trunk/lib/Basic/TargetInfo.cpp
Modified: cfe/trunk/include/clang/Basic/TargetInfo.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/TargetInfo.h?rev=84746&r1=84745&r2=84746&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/TargetInfo.h (original)
+++ cfe/trunk/include/clang/Basic/TargetInfo.h Wed Oct 21 01:24:21 2009
@@ -98,6 +98,15 @@
IntType getChar32Type() const { return Char32Type; }
IntType getInt64Type() const { return Int64Type; }
+
+ /// getTypeWidth - Return the width (in bits) of the specified integer type
+ /// enum. For example, SignedInt -> getIntWidth().
+ unsigned getTypeWidth(IntType T) const;
+
+ /// getTypeSigned - Return whether an integer types is signed. Returns true if
+ /// the type is signed; false otherwise.
+ bool getTypeSigned(IntType T) const;
+
/// getPointerWidth - Return the width of pointers on this target, for the
/// specified address space.
uint64_t getPointerWidth(unsigned AddrSpace) const {
@@ -186,6 +195,10 @@
/// For example, SignedShort -> "short".
static const char *getTypeName(IntType T);
+ /// getTypeConstantSuffix - Return the constant suffix for the specified
+ /// integer type enum. For example, SignedLong -> "L".
+ static const char *getTypeConstantSuffix(IntType T);
+
///===---- Other target property query methods --------------------------===//
/// getTargetDefines - Appends the target-specific #define values for this
@@ -193,6 +206,7 @@
virtual void getTargetDefines(const LangOptions &Opts,
std::vector<char> &DefineBuffer) const = 0;
+
/// getTargetBuiltins - Return information about target-specific builtins for
/// the current primary target, and info about which builtins are non-portable
/// across the current set of primary and secondary targets.
Modified: cfe/trunk/lib/Basic/TargetInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/TargetInfo.cpp?rev=84746&r1=84745&r2=84746&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/TargetInfo.cpp (original)
+++ cfe/trunk/lib/Basic/TargetInfo.cpp Wed Oct 21 01:24:21 2009
@@ -74,6 +74,57 @@
}
}
+/// getTypeConstantSuffix - Return the constant suffix for the specified
+/// integer type enum. For example, SignedLong -> "L".
+const char *TargetInfo::getTypeConstantSuffix(IntType T) {
+ switch (T) {
+ default: assert(0 && "not an integer!");
+ case SignedShort:
+ case SignedInt: return "";
+ case SignedLong: return "L";
+ case SignedLongLong: return "LL";
+ case UnsignedShort:
+ case UnsignedInt: return "U";
+ case UnsignedLong: return "UL";
+ case UnsignedLongLong: return "ULL";
+ }
+}
+
+/// getTypeWidth - Return the width (in bits) of the specified integer type
+/// enum. For example, SignedInt -> getIntWidth().
+unsigned TargetInfo::getTypeWidth(IntType T) const {
+ switch (T) {
+ default: assert(0 && "not an integer!");
+ case SignedShort: return getShortWidth();
+ case UnsignedShort: return getShortWidth();
+ case SignedInt: return getIntWidth();
+ case UnsignedInt: return getIntWidth();
+ case SignedLong: return getLongWidth();
+ case UnsignedLong: return getLongWidth();
+ case SignedLongLong: return getLongLongWidth();
+ case UnsignedLongLong: return getLongLongWidth();
+ };
+}
+
+/// getTypeSigned - Return whether an integer types is signed. Returns true if
+/// the type is signed; false otherwise.
+bool TargetInfo::getTypeSigned(IntType T) const {
+ switch (T) {
+ default: assert(0 && "not an integer!");
+ case SignedShort:
+ case SignedInt:
+ case SignedLong:
+ case SignedLongLong:
+ return true;
+ case UnsignedShort:
+ case UnsignedInt:
+ case UnsignedLong:
+ case UnsignedLongLong:
+ return false;
+ };
+}
+
+
//===----------------------------------------------------------------------===//