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Make this work with renamed intrinsics.

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llvm-svn: 26482
This commit is contained in:
Chris Lattner 2006-03-03 01:30:23 +00:00
parent 4ccc8d7926
commit a22de4b7d3
1 changed files with 25 additions and 26 deletions
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51
lib/Transforms/IPO/SimplifyLibCalls.cpp
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@ -283,8 +283,11 @@ public:
Function* get_memcpy() {
if (!memcpy_func) {
const Type *SBP = PointerType::get(Type::SByteTy);
memcpy_func = M->getOrInsertFunction("llvm.memcpy", Type::VoidTy,SBP, SBP,
TD->getIntPtrType(), Type::UIntTy, NULL);
const char *N = TD->getIntPtrType() == Type::UIntTy ?
"llvm.memcpy.i32" : "llvm.memcpy.i64";
memcpy_func = M->getOrInsertFunction(N, Type::VoidTy, SBP, SBP,
TD->getIntPtrType(), Type::UIntTy,
NULL);
}
return memcpy_func;
}
@ -1018,16 +1021,9 @@ struct memcmpOptimization : public LibCallOptimization {
/// bytes depending on the length of the string and the alignment. Additional
/// optimizations are possible in code generation (sequence of immediate store)
/// @brief Simplify the memcpy library function.
struct LLVMMemCpyOptimization : public LibCallOptimization {
/// @brief Default Constructor
LLVMMemCpyOptimization() : LibCallOptimization("llvm.memcpy",
"Number of 'llvm.memcpy' calls simplified") {}
protected:
/// @brief Subclass Constructor
LLVMMemCpyOptimization(const char* fname, const char* desc)
: LibCallOptimization(fname, desc) {}
public:
struct LLVMMemCpyMoveOptzn : public LibCallOptimization {
LLVMMemCpyMoveOptzn(const char* fname, const char* desc)
: LibCallOptimization(fname, desc) {}
/// @brief Make sure that the "memcpy" function has the right prototype
virtual bool ValidateCalledFunction(const Function* f, SimplifyLibCalls& TD) {
@ -1086,27 +1082,26 @@ public:
ci->eraseFromParent();
return true;
}
} LLVMMemCpyOptimizer;
};
/// This LibCallOptimization will simplify a call to the memmove library
/// function. It is identical to MemCopyOptimization except for the name of
/// the intrinsic.
/// @brief Simplify the memmove library function.
struct LLVMMemMoveOptimization : public LLVMMemCpyOptimization {
/// @brief Default Constructor
LLVMMemMoveOptimization() : LLVMMemCpyOptimization("llvm.memmove",
"Number of 'llvm.memmove' calls simplified") {}
} LLVMMemMoveOptimizer;
/// This LibCallOptimization will simplify a call to the memcpy/memmove library
/// functions.
LLVMMemCpyMoveOptzn LLVMMemCpyOptimizer32("llvm.memcpy.i32",
"Number of 'llvm.memcpy' calls simplified");
LLVMMemCpyMoveOptzn LLVMMemCpyOptimizer64("llvm.memcpy.i64",
"Number of 'llvm.memcpy' calls simplified");
LLVMMemCpyMoveOptzn LLVMMemMoveOptimizer32("llvm.memmove.i32",
"Number of 'llvm.memmove' calls simplified");
LLVMMemCpyMoveOptzn LLVMMemMoveOptimizer64("llvm.memmove.i64",
"Number of 'llvm.memmove' calls simplified");
/// This LibCallOptimization will simplify a call to the memset library
/// function by expanding it out to a single store of size 0, 1, 2, 4, or 8
/// bytes depending on the length argument.
struct LLVMMemSetOptimization : public LibCallOptimization {
/// @brief Default Constructor
LLVMMemSetOptimization() : LibCallOptimization("llvm.memset",
LLVMMemSetOptimization(const char *Name) : LibCallOptimization(Name,
"Number of 'llvm.memset' calls simplified") {}
public:
/// @brief Make sure that the "memset" function has the right prototype
virtual bool ValidateCalledFunction(const Function *F, SimplifyLibCalls &TD) {
@ -1196,7 +1191,11 @@ public:
ci->eraseFromParent();
return true;
}
} LLVMMemSetOptimizer;
};
LLVMMemSetOptimization MemSet32Optimizer("llvm.memset.i32");
LLVMMemSetOptimization MemSet64Optimizer("llvm.memset.i64");
/// This LibCallOptimization will simplify calls to the "pow" library
/// function. It looks for cases where the result of pow is well known and