add helpful methods to TargetInfo for querying builtin integer type properties,
patch by Ken Dyck!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84746 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp
index f9e789c..8f3c777 100644
--- a/lib/Basic/TargetInfo.cpp
+++ b/lib/Basic/TargetInfo.cpp
@@ -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;
+ };
+}
+
+
//===----------------------------------------------------------------------===//