the old trace values pass has been removed, remove its runtime library.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32999 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/runtime/Makefile b/runtime/Makefile
index 8d6f0ff..d116580 100644
--- a/runtime/Makefile
+++ b/runtime/Makefile
@@ -18,7 +18,7 @@
 	$(Echo) "Warning: with llvm-gcc version 4 and beyond"
 else 
 ifneq ($(wildcard $(LLVMGCC)),)
-PARALLEL_DIRS  := GCCLibraries  libdummy libprofile libtrace GC
+PARALLEL_DIRS  := GCCLibraries  libdummy libprofile GC
 else
 PARALLEL_DIRS  := 
 install all ::
diff --git a/runtime/libtrace/Makefile b/runtime/libtrace/Makefile
deleted file mode 100644
index 9a07070..0000000
--- a/runtime/libtrace/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-##===- runtime/libtrace/Makefile ---------------------------*- Makefile -*-===##
-# 
-#                     The LLVM Compiler Infrastructure
-#
-# This file was developed by the LLVM research group and is distributed under
-# the University of Illinois Open Source License. See LICENSE.TXT for details.
-# 
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../..
-BYTECODE_LIBRARY = 1
-LIBRARYNAME = trace
-BYTECODE_DESTINATION = $(CFERuntimeLibDir)
-
-include $(LEVEL)/Makefile.common
-
-CompileCommonOpts := $(filter-out -pedantic,$(CompileCommonOpts))
-CompileCommonOpts := $(filter-out -Wno-long-long,$(CompileCommonOpts))
diff --git a/runtime/libtrace/README.txt b/runtime/libtrace/README.txt
deleted file mode 100644
index 80fee9b..0000000
--- a/runtime/libtrace/README.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-These routines form the support library for the LLVM -trace and -tracem 
-instrumentation passes.
diff --git a/runtime/libtrace/tracelib.c b/runtime/libtrace/tracelib.c
deleted file mode 100644
index be726f1..0000000
--- a/runtime/libtrace/tracelib.c
+++ /dev/null
@@ -1,392 +0,0 @@
-/*===-- tracelib.c - Runtime routines for tracing ---------------*- C++ -*-===*
- *
- * Runtime routines for supporting tracing of execution for code generated by
- * LLVM.
- *
- *===----------------------------------------------------------------------===*/
-
-#include "tracelib.h"
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include "llvm/Support/DataTypes.h"
-
-/*===---------------------------------------------------------------------=====
- * HASH FUNCTIONS
- *===---------------------------------------------------------------------===*/
-
-/* use #defines until we have inlining */
-typedef uintptr_t Index;                 /* type of keys, size for hash table */
-typedef uint32_t  Generic;               /* type of values stored in table */ 
-
-/* Index IntegerHashFunc(const Generic value, const Index size) */
-#define IntegerHashFunc(value, size) \
-  ( ((((Index) value) << 3) ^ (((Index) value) >> 3)) % size )
-
-/* Index IntegerRehashFunc(const Generic oldHashValue, const Index size) */
-#define IntegerRehashFunc(oldHashValue, size) \
-  ((Index) ((oldHashValue+16) % size)) /* 16 is relatively prime to a Mersenne prime! */
-
-/* Index PointerHashFunc(const void* value, const Index size) */
-#define PointerHashFunc(value, size) \
-  IntegerHashFunc((Index) value, size)
-
-/* Index PointerRehashFunc(const void* value, const Index size) */
-#define PointerRehashFunc(value, size) \
-  IntegerRehashFunc((Index) value, size)
-
-/*===---------------------------------------------------------------------=====
- * POINTER-TO-GENERIC HASH TABLE.
- * These should be moved to a separate location: HashTable.[ch]
- *===---------------------------------------------------------------------===*/
-
-typedef enum { FIND, ENTER } ACTION;
-typedef char FULLEMPTY;
-const FULLEMPTY EMPTY = '\0';
-const FULLEMPTY FULL  = '\1';
-
-// List of primes closest to powers of 2 in [2^20 -- 2^30], obtained from
-// http://www.utm.edu/research/primes/lists/2small/0bit.html.
-// Use these as the successive sizes of the hash table.
-#define NUMPRIMES 11
-#define FIRSTENTRY 2
-const unsigned PRIMES[NUMPRIMES] = { (1<<20)-3,  (1<<21)-9,  (1<<22)-3, (1<<23)-15,
-                                 (1<<24)-3,  (1<<25)-39, (1<<26)-5, (1<<27)-39,
-                                 (1<<28)-57, (1<<29)-3,  (1<<30)-35 };
-unsigned CurrentSizeEntry = FIRSTENTRY;
-
-const unsigned MAX_NUM_PROBES = 4;
-
-typedef struct PtrValueHashEntry_struct {
-  void*   key;
-  Generic value;
-} PtrValueHashEntry;
-
-typedef struct PtrValueHashTable_struct {
-  PtrValueHashEntry* table;
-  FULLEMPTY* fullEmptyFlags;
-  Index capacity;
-  Index size;
-} PtrValueHashTable;
-
-
-static Generic LookupOrInsertPtr(PtrValueHashTable* ptrTable, void* ptr,
-                                 ACTION action, Generic value);
-
-static void Insert(PtrValueHashTable* ptrTable, void* ptr, Generic value);
-
-static void Delete(PtrValueHashTable* ptrTable, void* ptr);
-
-/* Returns 0 if the item is not found. */
-/* void* LookupPtr(PtrValueHashTable* ptrTable, void* ptr) */
-#define LookupPtr(ptrTable, ptr) \
-  LookupOrInsertPtr(ptrTable, ptr, FIND, (Generic) 0)
-
-void
-InitializeTable(PtrValueHashTable* ptrTable, Index newSize)
-{
-  ptrTable->table = (PtrValueHashEntry*) calloc(newSize,
-                                                sizeof(PtrValueHashEntry));
-  ptrTable->fullEmptyFlags = (FULLEMPTY*) calloc(newSize, sizeof(FULLEMPTY));
-  ptrTable->capacity = newSize;
-  ptrTable->size = 0;
-}
-
-PtrValueHashTable*
-CreateTable(Index initialSize)
-{
-  PtrValueHashTable* ptrTable =
-    (PtrValueHashTable*) malloc(sizeof(PtrValueHashTable));
-  InitializeTable(ptrTable, initialSize);
-  return ptrTable;
-}
-
-void
-ReallocTable(PtrValueHashTable* ptrTable, Index newSize)
-{
-  if (newSize <= ptrTable->capacity)
-    return;
-
-#ifndef NDEBUG
-  printf("\n***\n*** REALLOCATING SPACE FOR POINTER HASH TABLE.\n");
-  printf("*** oldSize = %ld, oldCapacity = %ld\n***\n\n",
-         (long) ptrTable->size, (long) ptrTable->capacity); 
-#endif
-
-  unsigned int i;
-  PtrValueHashEntry* oldTable = ptrTable->table;
-  FULLEMPTY* oldFlags = ptrTable->fullEmptyFlags; 
-  Index oldSize = ptrTable->size;
-  Index oldCapacity = ptrTable->capacity;
-  
-  /* allocate the new storage and flags and re-insert the old entries */
-  InitializeTable(ptrTable, newSize);
-  for (i=0; i < oldCapacity; ++i)
-    if (oldFlags[i] == FULL)
-      Insert(ptrTable, oldTable[i].key, oldTable[i].value);
-
-  assert(ptrTable->size == oldSize && "Incorrect number of entries copied?");
-
-#ifndef NDEBUG
-  for (i=0; i < oldCapacity; ++i)
-    if (oldFlags[i] == FULL)
-      assert(LookupPtr(ptrTable, oldTable[i].key) == oldTable[i].value);
-#endif
-  
-  free(oldTable);
-  free(oldFlags);
-}
-
-void
-DeleteTable(PtrValueHashTable* ptrTable)
-{
-  free(ptrTable->table);
-  free(ptrTable->fullEmptyFlags);
-  memset(ptrTable, '\0', sizeof(PtrValueHashTable));
-  free(ptrTable);
-}
-
-void
-InsertAtIndex(PtrValueHashTable* ptrTable, void* ptr, Generic value, Index index)
-{
-  assert(ptrTable->fullEmptyFlags[index] == EMPTY && "Slot is in use!");
-  ptrTable->table[index].key = ptr; 
-  ptrTable->table[index].value = value; 
-  ptrTable->fullEmptyFlags[index] = FULL;
-  ptrTable->size++;
-}
-
-void
-DeleteAtIndex(PtrValueHashTable* ptrTable, Index index)
-{
-  assert(ptrTable->fullEmptyFlags[index] == FULL && "Deleting empty slot!");
-  ptrTable->table[index].key = 0; 
-  ptrTable->table[index].value = (Generic) 0; 
-  ptrTable->fullEmptyFlags[index] = EMPTY;
-  ptrTable->size--;
-}
-
-Index
-FindIndex(PtrValueHashTable* ptrTable, void* ptr)
-{
-  unsigned numProbes = 1;
-  Index index = PointerHashFunc(ptr, ptrTable->capacity);
-  if (ptrTable->fullEmptyFlags[index] == FULL)
-    {
-      if (ptrTable->table[index].key == ptr)
-        return index;
-      
-      /* First lookup failed on non-empty slot: probe further */
-      while (numProbes < MAX_NUM_PROBES)
-        {
-          index = PointerRehashFunc(index, ptrTable->capacity);
-          if (ptrTable->fullEmptyFlags[index] == EMPTY)
-            break;
-          else if (ptrTable->table[index].key == ptr)
-            return index;
-          ++numProbes;
-        }
-    }
-  
-  /* Lookup failed: item is not in the table. */
-  /* If last slot is empty, use that slot. */
-  /* Otherwise, table must have been reallocated, so search again. */
-  
-  if (numProbes == MAX_NUM_PROBES)
-    { /* table is too full: reallocate and search again */
-      if (CurrentSizeEntry >= NUMPRIMES-1) {
-        fprintf(stderr, "Out of PRIME Numbers!!!");
-        abort();
-      }
-      ReallocTable(ptrTable, PRIMES[++CurrentSizeEntry]);
-      return FindIndex(ptrTable, ptr);
-    }
-  else
-    {
-      assert(ptrTable->fullEmptyFlags[index] == EMPTY &&
-             "Stopped before finding an empty slot and before MAX probes!");
-      return index;
-    }
-}
-
-/* Look up hash table using 'ptr' as the key.  If an entry exists, return
- * the value mapped to 'ptr'.  If not, and if action==ENTER is specified,
- * create a new entry with value 'value', but return 0 in any case.
- */
-Generic
-LookupOrInsertPtr(PtrValueHashTable* ptrTable, void* ptr, ACTION action,
-                  Generic value)
-{
-  Index index = FindIndex(ptrTable, ptr);
-  if (ptrTable->fullEmptyFlags[index] == FULL &&
-      ptrTable->table[index].key == ptr)
-    return ptrTable->table[index].value;
-  
-  /* Lookup failed: item is not in the table */
-  /* If action is ENTER, insert item into the table.  Return 0 in any case. */ 
-  if (action == ENTER)
-    InsertAtIndex(ptrTable, ptr, value, index);
-
-  return (Generic) 0;
-}
-
-void
-Insert(PtrValueHashTable* ptrTable, void* ptr, Generic value)
-{
-  Index index = FindIndex(ptrTable, ptr);
-  assert(ptrTable->fullEmptyFlags[index] == EMPTY &&
-         "ptr is already in the table: delete it first!");
-  InsertAtIndex(ptrTable, ptr, value, index);
-}
-
-void
-Delete(PtrValueHashTable* ptrTable, void* ptr)
-{
-  Index index = FindIndex(ptrTable, ptr);
-  if (ptrTable->fullEmptyFlags[index] == FULL &&
-      ptrTable->table[index].key == ptr)
-    {
-      DeleteAtIndex(ptrTable, index);
-    }
-}
-
-/*===---------------------------------------------------------------------=====
- * RUNTIME ROUTINES TO MAP POINTERS TO SEQUENCE NUMBERS
- *===---------------------------------------------------------------------===*/
-
-PtrValueHashTable* SequenceNumberTable = NULL;
-#define INITIAL_SIZE (PRIMES[FIRSTENTRY])
-
-#define MAX_NUM_SAVED 1024
-
-typedef struct PointerSet_struct {
-  char* savedPointers[MAX_NUM_SAVED];   /* 1024 alloca'd ptrs shd suffice */
-  unsigned int numSaved;
-  struct PointerSet_struct* nextOnStack;     /* implement a cheap stack */ 
-} PointerSet;
-
-PointerSet* topOfStack = NULL;
-
-SequenceNumber
-HashPointerToSeqNum(char* ptr)
-{
-  static SequenceNumber count = 0;
-  SequenceNumber seqnum;
-  if (SequenceNumberTable == NULL) {
-    assert(MAX_NUM_PROBES < INITIAL_SIZE+1 && "Initial size too small");
-    SequenceNumberTable = CreateTable(INITIAL_SIZE);
-  }
-  seqnum = (SequenceNumber)
-    LookupOrInsertPtr(SequenceNumberTable, ptr, ENTER, count+1);
-
-  if (seqnum == 0)    /* new entry was created with value count+1 */
-    seqnum = ++count;    /* so increment counter */
-
-  assert(seqnum <= count && "Invalid sequence number in table!");
-  return seqnum;
-}
-
-void
-ReleasePointerSeqNum(char* ptr)
-{ /* if a sequence number was assigned to this ptr, release it */
-  if (SequenceNumberTable != NULL)
-    Delete(SequenceNumberTable, ptr);
-}
-
-void
-PushPointerSet()
-{
-  PointerSet* newSet = (PointerSet*) malloc(sizeof(PointerSet));
-  newSet->numSaved = 0;
-  newSet->nextOnStack = topOfStack;
-  topOfStack = newSet;
-}
-
-void
-PopPointerSet()
-{
-  PointerSet* oldSet;
-  assert(topOfStack != NULL && "popping from empty stack!");
-  oldSet = topOfStack; 
-  topOfStack = oldSet->nextOnStack;
-  assert(oldSet->numSaved == 0);
-  free(oldSet);
-}
-
-/* free the pointers! */
-static void
-ReleaseRecordedPointers(char* savedPointers[MAX_NUM_SAVED],
-                        unsigned int numSaved)
-{
-  unsigned int i;
-  for (i=0; i < topOfStack->numSaved; ++i)
-    ReleasePointerSeqNum(topOfStack->savedPointers[i]);  
-}
-
-void
-ReleasePointersPopSet()
-{
-  ReleaseRecordedPointers(topOfStack->savedPointers, topOfStack->numSaved);
-  topOfStack->numSaved = 0;
-  PopPointerSet();
-}
-
-void
-RecordPointer(char* ptr)
-{ /* record pointers for release later */
-  if (topOfStack->numSaved == MAX_NUM_SAVED) {
-    printf("***\n*** WARNING: OUT OF ROOM FOR SAVED POINTERS."
-           " ALL POINTERS ARE BEING FREED.\n"
-           "*** THE SEQUENCE NUMBERS OF SAVED POINTERS WILL CHANGE!\n*** \n");
-    ReleaseRecordedPointers(topOfStack->savedPointers, topOfStack->numSaved);
-    topOfStack->numSaved = 0;
-  }
-  topOfStack->savedPointers[topOfStack->numSaved++] = ptr;
-}
-
-/*===---------------------------------------------------------------------=====
- * TEST DRIVER FOR INSTRUMENTATION LIBRARY
- *===---------------------------------------------------------------------===*/
-
-#ifndef TEST_INSTRLIB
-#undef  TEST_INSTRLIB /* #define this to turn on by default */
-#endif
-
-#ifdef TEST_INSTRLIB
-int
-main(int argc, char** argv)
-{
-  int i, j;
-  int doRelease = 0;
-
-  INITIAL_SIZE = 5; /* start with small table to test realloc's*/
-  
-  if (argc > 1 && ! strcmp(argv[1], "-r"))
-    {
-      PushPointerSet();
-      doRelease = 1;
-    }
-  
-  for (i=0; i < argc; ++i)
-    for (j=0; argv[i][j]; ++j)
-      {
-        printf("Sequence number for argc[%d][%d] (%c) = Hash(%p) = %d\n",
-               i, j, argv[i][j], argv[i]+j, HashPointerToSeqNum(argv[i]+j));
-        
-        if (doRelease)
-          RecordPointer(argv[i]+j);
-      }
-  
-  if (doRelease)
-    ReleasePointersPopSet();     
-  
-  /* print sequence numbers out again to compare with (-r) and w/o release */
-  for (i=argc-1; i >= 0; --i)
-    for (j=0; argv[i][j]; ++j)
-      printf("Sequence number for argc[%d][%d] (%c) = %d\n",
-             i, j, argv[i][j], argv[i]+j, HashPointerToSeqNum(argv[i]+j));
-  
-  return 0;
-}
-#endif
diff --git a/runtime/libtrace/tracelib.h b/runtime/libtrace/tracelib.h
deleted file mode 100644
index a60697a..0000000
--- a/runtime/libtrace/tracelib.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*===-- Libraries/tracelib.h - Runtime routines for tracing -----*- C++ -*--===
- *
- * Runtime routines for supporting tracing of execution
- * for code generated by LLVM.
- *
- *===---------------------------------------------------------------------===*/
-
-#ifndef _TEST_LIBRARIES_LIBINSTR_TRACELIB_
-#define _TEST_LIBRARIES_LIBINSTR_TRACELIB_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <sys/types.h>
-
-/*===---------------------------------------------------------------------=====
- * Support for tracing pointers
- *===---------------------------------------------------------------------===*/
-
-typedef unsigned int SequenceNumber;
-
-extern SequenceNumber HashPointerToSeqNum( char* ptr);
-
-extern void           ReleasePointerSeqNum(char* ptr);
-
-extern void           RecordPointer(char* ptr);
-
-extern void           PushPointerSet();
-
-extern void           ReleasePointersPopSet();
-
-
-#ifdef __cplusplus
-}
-#endif
-
-/*===---------------------------------------------------------------------===*/
-
-#endif