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Refactor trace values to work as a proper pass. Before it used to add 

methods while the pass was running which was a no no.  Now it adds the
printf method at pass initialization

llvm-svn: 1456
This commit is contained in:
Chris Lattner 2001-12-14 16:23:53 +00:00
parent 8ddb00c804
commit 7c84dc6abb
1 changed files with 9 additions and 4 deletions
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13
llvm/include/llvm/Transforms/Instrumentation/TraceValues.h
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@ -9,14 +9,19 @@
#define LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H #define LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H
#include "llvm/Pass.h" #include "llvm/Pass.h"
class Method;
class InsertTraceCode : public Pass { class InsertTraceCode : public Pass {
bool TraceBasicBlockExits, TraceMethodExits; bool TraceBasicBlockExits, TraceMethodExits;
Method *PrintfMeth;
public: public:
InsertTraceCode(bool traceBasicBlockExits, bool traceMethodExits) InsertTraceCode(bool traceBasicBlockExits, bool traceMethodExits)
: TraceBasicBlockExits(traceBasicBlockExits), : TraceBasicBlockExits(traceBasicBlockExits),
TraceMethodExits(traceMethodExits) {} TraceMethodExits(traceMethodExits) {}
// Add a prototype for printf if it is not already in the program.
//
bool doPassInitialization(Module *M);
//-------------------------------------------------------------------------- //--------------------------------------------------------------------------
// Function InsertCodeToTraceValues // Function InsertCodeToTraceValues
@ -24,14 +29,14 @@ public:
// Inserts tracing code for all live values at basic block and/or method exits // Inserts tracing code for all live values at basic block and/or method exits
// as specified by `traceBasicBlockExits' and `traceMethodExits'. // as specified by `traceBasicBlockExits' and `traceMethodExits'.
// //
static bool doInsertTraceCode(Method *M, bool traceBasicBlockExits, static bool doit(Method *M, bool traceBasicBlockExits,
bool traceMethodExits); bool traceMethodExits, Method *Printf);
// doPerMethodWork - This method does the work. Always successful. // doPerMethodWork - This method does the work. Always successful.
// //
bool doPerMethodWork(Method *M) { bool doPerMethodWork(Method *M) {
return doInsertTraceCode(M, TraceBasicBlockExits, TraceMethodExits); return doit(M, TraceBasicBlockExits, TraceMethodExits, PrintfMeth);
} }
}; };
#endif /*LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H*/ #endif