Insert code to trace values at basic block and method exits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@801 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Transforms/Instrumentation/TraceValues.h b/include/llvm/Transforms/Instrumentation/TraceValues.h
new file mode 100644 (file)
index 0000000..af21209
--- /dev/null
+++ b/include/llvm/Transforms/Instrumentation/TraceValues.h
@@ -0,0 +1,75 @@
+// $Id$ -*-c++-*-
+//***************************************************************************
+// File:
+//     TraceValues.h
+// 
+// Purpose:
+//      Support for inserting LLVM code to print values at basic block
+//      and method exits.  Also exports functions to create a call
+//      "printf" instruction with one of the signatures listed below.
+// 
+// History:
+//     10/11/01         -  Vikram Adve  -  Created
+//**************************************************************************/
+
+#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H
+#define LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H
+
+class Module;
+class Method;
+class BasicBlock;
+class Instruction;
+class Value;
+class Type;
+
+
+//************************** External Functions ****************************/
+
+
+//--------------------------------------------------------------------------
+// Function GetPrintMethodForType
+// 
+// Creates an external declaration for "printf".
+// The signatures supported are:
+//   int printf(sbyte*,  sbyte*,  sbyte*,  sbyte*,  int      intValue)
+//   int printf(sbyte*,  sbyte*,  sbyte*,  sbyte*,  unsigned uintValue)
+//   int printf(sbyte*,  sbyte*,  sbyte*,  sbyte*,  float    floatValue)
+//   int printf(sbyte*,  sbyte*,  sbyte*,  sbyte*,  double   doubleValue)
+//   int printf(sbyte*,  sbyte*,  sbyte*,  sbyte*,  char*    stringValue)
+//   int printf(sbyte*,  sbyte*,  sbyte*,  sbyte*,  void*    ptrValue)
+// 
+// The invocation should be:
+//       call "printf"(fmt, bbName, valueName, valueType, value).
+//--------------------------------------------------------------------------
+
+const Method*  GetPrintMethodForType   (Module* module,
+                                         Type* vtype);
+
+
+//--------------------------------------------------------------------------
+// Function CreatePrintInstr
+// 
+// Creates an invocation of printf for the value `val' at the exit of the
+// basic block `bb'.  isMethodExit specifies if this is a method exit, 
+//--------------------------------------------------------------------------
+
+Instruction*   CreatePrintInstr        (Value* val,
+                                         const BasicBlock* bb,
+                                         Module* module,
+                                         unsigned int indent,
+                                         bool isMethodExit);
+
+//--------------------------------------------------------------------------
+// Function InsertCodeToTraceValues
+// 
+// Inserts tracing code for all live values at basic block and/or method exits
+// as specified by `traceBasicBlockExits' and `traceMethodExits'.
+//--------------------------------------------------------------------------
+
+void            InsertCodeToTraceValues (Method* method,
+                                         bool traceBasicBlockExits,
+                                         bool traceMethodExits);
+
+//**************************************************************************/
+
+#endif LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H