This lets us pretty print stuff like this:

void foo() {
  int X;
  X = sizeof(void (*(*)())());
  X = sizeof(int(*)(int, float, ...));
  X = sizeof(void (*(int arga, void (*argb)(double Y)))(void* Z));

as:

  X = sizeof(void (*(*)())())
  X = sizeof(int (*)(int, float, ...))
  X = sizeof(void (*(int, void (*)(double)))(void *))

Ah the wonders of 'modern' C syntax!

llvm-svn: 39232

allows us to handle stuff like:

typedef int G;
 ..
  X = sizeof(G);

llvm-svn: 39189

This allows us to handle:

int (*A)[restrict static 4][6];

for example.

llvm-svn: 39176

llvm-svn: 39175

Teach getPointerType to (stupidly) memoize all created pointers.
Give types an enum so we can implement classof.

llvm-svn: 39174

parse (and print) things like:

int* const* restrict* const volatile***

etc.

llvm-svn: 39173

llvm-svn: 39166

llvm-svn: 39164

llvm-svn: 39162

llvm-svn: 39048

llvm-svn: 38991

llvm-svn: 38935

llvm-svn: 38933

llvm-svn: 38784

llvm-svn: 38783

llvm-svn: 38658