From e86b0f186b262f79d3a05fd46bbfbe7a26a68dcd Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Mon, 2 Mar 2015 13:16:28 +0000
Subject: [PATCH] NVPTX: Remove dead code.

Fun fact: This file was never referenced since the initial checkin of
the NVPTX backend.

llvm-svn: 230957
---
 llvm/lib/Target/NVPTX/CMakeLists.txt |  1 -
 llvm/lib/Target/NVPTX/NVPTXutil.cpp  | 90 ------------------------------------
 llvm/lib/Target/NVPTX/NVPTXutil.h    | 25 ----------
 3 files changed, 116 deletions(-)
 delete mode 100644 llvm/lib/Target/NVPTX/NVPTXutil.cpp
 delete mode 100644 llvm/lib/Target/NVPTX/NVPTXutil.h

diff --git a/llvm/lib/Target/NVPTX/CMakeLists.txt b/llvm/lib/Target/NVPTX/CMakeLists.txt
index 3a4a19d..cdd2f1f 100644
--- a/llvm/lib/Target/NVPTX/CMakeLists.txt
+++ b/llvm/lib/Target/NVPTX/CMakeLists.txt
@@ -29,7 +29,6 @@ set(NVPTXCodeGen_sources
   NVPTXTargetMachine.cpp
   NVPTXTargetTransformInfo.cpp
   NVPTXUtilities.cpp
-  NVPTXutil.cpp
   NVVMReflect.cpp
   )
 
diff --git a/llvm/lib/Target/NVPTX/NVPTXutil.cpp b/llvm/lib/Target/NVPTX/NVPTXutil.cpp
deleted file mode 100644
index 5f074b3..0000000
--- a/llvm/lib/Target/NVPTX/NVPTXutil.cpp
+++ /dev/null
@@ -1,90 +0,0 @@
-//===-- NVPTXutil.cpp - Functions exported to CodeGen --*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the functions that can be used in CodeGen.
-//
-//===----------------------------------------------------------------------===//
-
-#include "NVPTXutil.h"
-#include "NVPTX.h"
-
-using namespace llvm;
-
-namespace llvm {
-
-bool isParamLoad(const MachineInstr *MI) {
-  if ((MI->getOpcode() != NVPTX::LD_i32_avar) &&
-      (MI->getOpcode() != NVPTX::LD_i64_avar))
-    return false;
-  if (MI->getOperand(2).isImm() == false)
-    return false;
-  if (MI->getOperand(2).getImm() != NVPTX::PTXLdStInstCode::PARAM)
-    return false;
-  return true;
-}
-
-#define DATA_MASK 0x7f
-#define DIGIT_WIDTH 7
-#define MORE_BYTES 0x80
-
-static int encode_leb128(uint64_t val, int *nbytes, char *space, int splen) {
-  char *a;
-  char *end = space + splen;
-
-  a = space;
-  do {
-    unsigned char uc;
-
-    if (a >= end)
-      return 1;
-    uc = val & DATA_MASK;
-    val >>= DIGIT_WIDTH;
-    if (val != 0)
-      uc |= MORE_BYTES;
-    *a = uc;
-    a++;
-  } while (val);
-  *nbytes = a - space;
-  return 0;
-}
-
-#undef DATA_MASK
-#undef DIGIT_WIDTH
-#undef MORE_BYTES
-
-uint64_t encode_leb128(const char *str) {
-  union {
-    uint64_t x;
-    char a[8];
-  } temp64;
-
-  temp64.x = 0;
-
-  for (unsigned i = 0, e = strlen(str); i != e; ++i)
-    temp64.a[i] = str[e - 1 - i];
-
-  char encoded[16];
-  int nbytes;
-
-  int retval = encode_leb128(temp64.x, &nbytes, encoded, 16);
-
-  (void) retval;
-  assert(retval == 0 && "Encoding to leb128 failed");
-
-  assert(nbytes <= 8 &&
-         "Cannot support register names with leb128 encoding > 8 bytes");
-
-  temp64.x = 0;
-  for (int i = 0; i < nbytes; ++i)
-    temp64.a[i] = encoded[i];
-
-  return temp64.x;
-}
-
-} // end namespace llvm
diff --git a/llvm/lib/Target/NVPTX/NVPTXutil.h b/llvm/lib/Target/NVPTX/NVPTXutil.h
deleted file mode 100644
index 1915dac..0000000
--- a/llvm/lib/Target/NVPTX/NVPTXutil.h
+++ /dev/null
@@ -1,25 +0,0 @@
-//===-- NVPTXutil.h - Functions exported to CodeGen --*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the functions that can be used in CodeGen.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXUTIL_H
-#define LLVM_LIB_TARGET_NVPTX_NVPTXUTIL_H
-
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/MachineInstr.h"
-
-namespace llvm {
-bool isParamLoad(const MachineInstr *);
-uint64_t encode_leb128(const char *str);
-}
-
-#endif
-- 
2.7.4