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Simplify code a bit by using Module::getOrInsertFunction

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2032 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-03-29 03:43:24 +00:00
parent d2d3a16641
commit 89851077da
1 changed files with 2 additions and 11 deletions
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13
lib/Transforms/Instrumentation/TraceValues.cpp
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@ -14,7 +14,6 @@
#include "llvm/iOther.h"
#include "llvm/Function.h"
#include "llvm/Module.h"
#include "llvm/SymbolTable.h"
#include "llvm/Pass.h"
#include "llvm/Assembly/Writer.h"
#include "Support/StringExtras.h"
@ -67,20 +66,12 @@ Pass *createTraceValuesPassForBasicBlocks() { // Trace BB's and methods
// Add a prototype for printf if it is not already in the program.
//
bool InsertTraceCode::doInitialization(Module *M) {
SymbolTable *ST = M->getSymbolTable();
const Type *SBP = PointerType::get(Type::SByteTy);
const MethodType *MTy =
MethodType::get(Type::IntTy, vector<const Type*>(1, SBP), true);
if (Value *Func = ST->lookup(PointerType::get(MTy), "printf")) {
PrintfFunc = cast<Function>(Func);
return false;
}
// Create a new method and add it to the module
PrintfFunc = new Function(MTy, false, "printf");
M->getFunctionList().push_back(PrintfFunc);
return true;
PrintfFunc = M->getOrInsertFunction("printf", MTy);
return false;
}