mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-27 14:07:32 +00:00
a087b90950
eliminate several const_casts. Make CallSite implicitly convertible to ImmutableCallSite. Rename the getModRefBehavior for intrinsic IDs to getIntrinsicModRefBehavior to avoid overload ambiguity with CallSite, which happens to be implicitly convertible to bool. llvm-svn: 110155
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
//===- LibCallSemantics.cpp - Describe library semantics ------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements interfaces that can be used to describe language
|
|
// specific runtime library interfaces (e.g. libc, libm, etc) to LLVM
|
|
// optimizers.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Analysis/LibCallSemantics.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
#include "llvm/Function.h"
|
|
using namespace llvm;
|
|
|
|
/// getMap - This impl pointer in ~LibCallInfo is actually a StringMap. This
|
|
/// helper does the cast.
|
|
static StringMap<const LibCallFunctionInfo*> *getMap(void *Ptr) {
|
|
return static_cast<StringMap<const LibCallFunctionInfo*> *>(Ptr);
|
|
}
|
|
|
|
LibCallInfo::~LibCallInfo() {
|
|
delete getMap(Impl);
|
|
}
|
|
|
|
const LibCallLocationInfo &LibCallInfo::getLocationInfo(unsigned LocID) const {
|
|
// Get location info on the first call.
|
|
if (NumLocations == 0)
|
|
NumLocations = getLocationInfo(Locations);
|
|
|
|
assert(LocID < NumLocations && "Invalid location ID!");
|
|
return Locations[LocID];
|
|
}
|
|
|
|
|
|
/// getFunctionInfo - Return the LibCallFunctionInfo object corresponding to
|
|
/// the specified function if we have it. If not, return null.
|
|
const LibCallFunctionInfo *
|
|
LibCallInfo::getFunctionInfo(const Function *F) const {
|
|
StringMap<const LibCallFunctionInfo*> *Map = getMap(Impl);
|
|
|
|
/// If this is the first time we are querying for this info, lazily construct
|
|
/// the StringMap to index it.
|
|
if (Map == 0) {
|
|
Impl = Map = new StringMap<const LibCallFunctionInfo*>();
|
|
|
|
const LibCallFunctionInfo *Array = getFunctionInfoArray();
|
|
if (Array == 0) return 0;
|
|
|
|
// We now have the array of entries. Populate the StringMap.
|
|
for (unsigned i = 0; Array[i].Name; ++i)
|
|
(*Map)[Array[i].Name] = Array+i;
|
|
}
|
|
|
|
// Look up this function in the string map.
|
|
return Map->lookup(F->getName());
|
|
}
|
|
|