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For PR411:

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No functionality changes, just improve the code by a) providing better
function names, b) eliminating a call to get_suffix and c) tightening up
a function elimination test to reduce further checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25540 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-01-23 07:42:30 +00:00
parent 9629efde7e
commit c79925a395
1 changed files with 6 additions and 7 deletions
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13
lib/VMCore/AutoUpgrade.cpp
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@ -36,7 +36,7 @@ static inline const char* get_suffix(const Type* Ty) {
return 0;
}
static inline const Type* get_type(Function* F) {
static inline const Type* getTypeFromFunctionName(Function* F) {
// If there's no function, we can't get the argument type.
if (!F)
return 0;
@ -45,7 +45,7 @@ static inline const Type* get_type(Function* F) {
const std::string& Name = F->getName();
// Quickly eliminate it, if it's not a candidate.
if (Name.length() <= 5 || Name[0] != 'l' || Name[1] != 'l' || Name[2] !=
if (Name.length() <= 8 || Name[0] != 'l' || Name[1] != 'l' || Name[2] !=
'v' || Name[3] != 'm' || Name[4] != '.')
return 0;
@ -109,10 +109,9 @@ bool llvm::IsUpgradeableIntrinsicName(const std::string& Name) {
// the argument types.
Function* llvm::UpgradeIntrinsicFunction(Function* F) {
// See if its one of the name's we're interested in.
if (const Type* Ty = get_type(F)) {
const char* suffix = get_suffix(Ty);
if (Ty->isSigned())
suffix = get_suffix(Ty->getUnsignedVersion());
if (const Type* Ty = getTypeFromFunctionName(F)) {
const char* suffix =
get_suffix((Ty->isSigned() ? Ty->getUnsignedVersion() : Ty));
assert(suffix && "Intrinsic parameter type not recognized");
const std::string& Name = F->getName();
std::string new_name = Name + suffix;
@ -143,7 +142,7 @@ Function* llvm::UpgradeIntrinsicFunction(Function* F) {
Instruction* llvm::UpgradeIntrinsicCall(CallInst *CI) {
Function *F = CI->getCalledFunction();
if (const Type* Ty = get_type(F)) {
if (const Type* Ty = getTypeFromFunctionName(F)) {
Function* newF = UpgradeIntrinsicFunction(F);
std::vector<Value*> Oprnds;
for (User::op_iterator OI = CI->op_begin(), OE = CI->op_end();