Remove the IA-64 backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76920 91177308-0d34-0410-b5e6-96231b3b80d8

53 files changed, 13 insertions, 4544 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 55ed4ce23b..c6c1462a2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,7 +52,6 @@ set(LLVM_ALL_TARGETS
   CBackend
   CellSPU
   CppBackend
-  IA64
   Mips
   MSIL
   MSP430
diff --git a/Xcode/LLVM.xcodeproj/project.pbxproj b/Xcode/LLVM.xcodeproj/project.pbxproj
index 383a2ad225..e2f40f4cba 100644
--- a/Xcode/LLVM.xcodeproj/project.pbxproj
+++ b/Xcode/LLVM.xcodeproj/project.pbxproj
@@ -255,8 +255,6 @@
 		CF33BE160AF62B4200E93805 /* SmallString.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SmallString.h; sourceTree = "<group>"; };
 		CF341DAD0AB07A8B0099B064 /* AlphaTargetAsmInfo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AlphaTargetAsmInfo.h; sourceTree = "<group>"; };
 		CF341DAE0AB07A8B0099B064 /* AlphaTargetAsmInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = AlphaTargetAsmInfo.cpp; sourceTree = "<group>"; };
-		CF341DE80AB07F890099B064 /* IA64TargetAsmInfo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IA64TargetAsmInfo.h; sourceTree = "<group>"; };
-		CF341DE90AB07F890099B064 /* IA64TargetAsmInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = IA64TargetAsmInfo.cpp; sourceTree = "<group>"; };
 		CF341E010AB080220099B064 /* PPCTargetAsmInfo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PPCTargetAsmInfo.h; sourceTree = "<group>"; };
 		CF341E020AB080220099B064 /* PPCTargetAsmInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PPCTargetAsmInfo.cpp; sourceTree = "<group>"; };
 		CF341E220AB0814B0099B064 /* SparcTargetAsmInfo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SparcTargetAsmInfo.h; sourceTree = "<group>"; };
@@ -315,7 +313,6 @@
 		CF73C0AE098A51AD00627152 /* Alarm.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Alarm.h; sourceTree = "<group>"; };
 		CF73C0AF098A51DD00627152 /* RSProfiling.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RSProfiling.h; sourceTree = "<group>"; };
 		CF73C0B0098A523C00627152 /* ConstantFolding.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ConstantFolding.cpp; sourceTree = "<group>"; };
-		CF73C0B6098A53EF00627152 /* IA64Bundling.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = IA64Bundling.cpp; sourceTree = "<group>"; };
 		CF73C0B7098A546000627152 /* RSProfiling.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = RSProfiling.cpp; sourceTree = "<group>"; };
 		CF73C0B8098A546000627152 /* RSProfiling.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RSProfiling.h; sourceTree = "<group>"; };
 		CF73C0B9098A546000627152 /* Reg2Mem.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Reg2Mem.cpp; sourceTree = "<group>"; };
@@ -415,13 +412,6 @@
 		CFA702C10A6FA85F0006009A /* AlphaGenRegisterInfo.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = AlphaGenRegisterInfo.inc; sourceTree = "<group>"; };
 		CFA702C20A6FA85F0006009A /* AlphaGenRegisterNames.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = AlphaGenRegisterNames.inc; sourceTree = "<group>"; };
 		CFA702C30A6FA85F0006009A /* AlphaGenSubtarget.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = AlphaGenSubtarget.inc; sourceTree = "<group>"; };
-		CFA702C40A6FA8910006009A /* IA64GenAsmWriter.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = IA64GenAsmWriter.inc; sourceTree = "<group>"; };
-		CFA702C50A6FA8910006009A /* IA64GenDAGISel.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = IA64GenDAGISel.inc; sourceTree = "<group>"; };
-		CFA702C60A6FA8910006009A /* IA64GenInstrInfo.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = IA64GenInstrInfo.inc; sourceTree = "<group>"; };
-		CFA702C70A6FA8910006009A /* IA64GenInstrNames.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = IA64GenInstrNames.inc; sourceTree = "<group>"; };
-		CFA702C80A6FA8910006009A /* IA64GenRegisterInfo.h.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = IA64GenRegisterInfo.h.inc; sourceTree = "<group>"; };
-		CFA702C90A6FA8910006009A /* IA64GenRegisterInfo.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = IA64GenRegisterInfo.inc; sourceTree = "<group>"; };
-		CFA702CA0A6FA8910006009A /* IA64GenRegisterNames.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = IA64GenRegisterNames.inc; sourceTree = "<group>"; };
 		CFA702CB0A6FA8AD0006009A /* PPCGenAsmWriter.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = PPCGenAsmWriter.inc; sourceTree = "<group>"; };
 		CFA702CC0A6FA8AD0006009A /* PPCGenCodeEmitter.inc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.pascal; path = PPCGenCodeEmitter.inc; sourceTree = "<group>"; };
 		CFA702CD0A6FA8AD0006009A /* PPCGenDAGISel.inc */ = {isa = PBXFileReference; explicitFileType = sourcecode.pascal; fileEncoding = 4; path = PPCGenDAGISel.inc; sourceTree = "<group>"; };
@@ -450,9 +440,6 @@
 		CFC244BB0959F24C009F8C47 /* X86ISelDAGToDAG.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = X86ISelDAGToDAG.cpp; sourceTree = "<group>"; };
 		CFC244BC0959F24C009F8C47 /* X86ISelLowering.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = X86ISelLowering.cpp; sourceTree = "<group>"; };
 		CFC244BD0959F24C009F8C47 /* X86ISelLowering.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = X86ISelLowering.h; sourceTree = "<group>"; };
-		CFC244BF0959F2E3009F8C47 /* IA64ISelDAGToDAG.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = IA64ISelDAGToDAG.cpp; sourceTree = "<group>"; };
-		CFC244C00959F2E3009F8C47 /* IA64ISelLowering.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = IA64ISelLowering.cpp; sourceTree = "<group>"; };
-		CFC244C10959F2E3009F8C47 /* IA64ISelLowering.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IA64ISelLowering.h; sourceTree = "<group>"; };
 		CFD7E4F30A798FC3000C7379 /* LinkAllCodegenComponents.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LinkAllCodegenComponents.h; sourceTree = "<group>"; };
 		CFD99AA80AFE827B0068D19C /* LICENSE.TXT */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = LICENSE.TXT; path = ../LICENSE.TXT; sourceTree = SOURCE_ROOT; };
 		CFD99AAD0AFE827B0068D19C /* README.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; name = README.txt; path = ../README.txt; sourceTree = SOURCE_ROOT; };
@@ -682,20 +669,6 @@
 		DE66EEAF08ABEE5E00323D32 /* AlphaTargetMachine.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = AlphaTargetMachine.cpp; sourceTree = "<group>"; };
 		DE66EEB008ABEE5E00323D32 /* AlphaTargetMachine.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = AlphaTargetMachine.h; sourceTree = "<group>"; };
 		DE66EECA08ABEE5E00323D32 /* CTargetMachine.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = CTargetMachine.h; sourceTree = "<group>"; };
-		DE66EEF808ABEE5E00323D32 /* IA64.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = IA64.h; sourceTree = "<group>"; };
-		DE66EEF908ABEE5E00323D32 /* IA64.td */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = IA64.td; sourceTree = "<group>"; };
-		DE66EEFA08ABEE5E00323D32 /* IA64AsmPrinter.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = IA64AsmPrinter.cpp; sourceTree = "<group>"; };
-		DE66EF0108ABEE5E00323D32 /* IA64InstrBuilder.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = IA64InstrBuilder.h; sourceTree = "<group>"; };
-		DE66EF0208ABEE5E00323D32 /* IA64InstrFormats.td */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = IA64InstrFormats.td; sourceTree = "<group>"; };
-		DE66EF0308ABEE5E00323D32 /* IA64InstrInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = IA64InstrInfo.cpp; sourceTree = "<group>"; };
-		DE66EF0408ABEE5E00323D32 /* IA64InstrInfo.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = IA64InstrInfo.h; sourceTree = "<group>"; };
-		DE66EF0508ABEE5E00323D32 /* IA64InstrInfo.td */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = IA64InstrInfo.td; sourceTree = "<group>"; };
-		DE66EF0708ABEE5E00323D32 /* IA64MachineFunctionInfo.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = IA64MachineFunctionInfo.h; sourceTree = "<group>"; };
-		DE66EF0808ABEE5E00323D32 /* IA64RegisterInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = IA64RegisterInfo.cpp; sourceTree = "<group>"; };
-		DE66EF0908ABEE5E00323D32 /* IA64RegisterInfo.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = IA64RegisterInfo.h; sourceTree = "<group>"; };
-		DE66EF0A08ABEE5E00323D32 /* IA64RegisterInfo.td */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = IA64RegisterInfo.td; sourceTree = "<group>"; };
-		DE66EF0B08ABEE5E00323D32 /* IA64TargetMachine.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = IA64TargetMachine.cpp; sourceTree = "<group>"; };
-		DE66EF0C08ABEE5E00323D32 /* IA64TargetMachine.h */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.c.h; path = IA64TargetMachine.h; sourceTree = "<group>"; };
 		DE66EF0E08ABEE5E00323D32 /* README */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = README; sourceTree = "<group>"; };
 		DE66EF1008ABEE5E00323D32 /* TargetRegisterInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = sourcecode.cpp.cpp; path = TargetRegisterInfo.cpp; sourceTree = "<group>"; };
 		DE66F08A08ABEE6000323D32 /* Target.td */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = Target.td; sourceTree = "<group>"; };
@@ -1830,7 +1803,6 @@
 				DE66EE9708ABEE5D00323D32 /* Alpha */,
 				CF8F1BCF0B64FC8A00BB4199 /* ARM */,
 				DE66EEC908ABEE5E00323D32 /* CBackend */,
-				DE66EEE508ABEE5E00323D32 /* IA64 */,
 				9F7794120C73CB6100551F9C /* Mips */,
 				DE66EF1108ABEE5E00323D32 /* PowerPC */,
 				DE66EF7008ABEE5F00323D32 /* Sparc */,
@@ -1906,41 +1878,6 @@
 			path = CBackend;
 			sourceTree = "<group>";
 		};
-		DE66EEE508ABEE5E00323D32 /* IA64 */ = {
-			isa = PBXGroup;
-			children = (
-				CFA702C40A6FA8910006009A /* IA64GenAsmWriter.inc */,
-				CFA702C50A6FA8910006009A /* IA64GenDAGISel.inc */,
-				CFA702C60A6FA8910006009A /* IA64GenInstrInfo.inc */,
-				CFA702C70A6FA8910006009A /* IA64GenInstrNames.inc */,
-				CFA702C80A6FA8910006009A /* IA64GenRegisterInfo.h.inc */,
-				CFA702C90A6FA8910006009A /* IA64GenRegisterInfo.inc */,
-				CFA702CA0A6FA8910006009A /* IA64GenRegisterNames.inc */,
-				DE66EEF808ABEE5E00323D32 /* IA64.h */,
-				DE66EEF908ABEE5E00323D32 /* IA64.td */,
-				DE66EEFA08ABEE5E00323D32 /* IA64AsmPrinter.cpp */,
-				CF73C0B6098A53EF00627152 /* IA64Bundling.cpp */,
-				DE66EF0108ABEE5E00323D32 /* IA64InstrBuilder.h */,
-				DE66EF0208ABEE5E00323D32 /* IA64InstrFormats.td */,
-				DE66EF0308ABEE5E00323D32 /* IA64InstrInfo.cpp */,
-				DE66EF0408ABEE5E00323D32 /* IA64InstrInfo.h */,
-				DE66EF0508ABEE5E00323D32 /* IA64InstrInfo.td */,
-				CFC244BF0959F2E3009F8C47 /* IA64ISelDAGToDAG.cpp */,
-				CFC244C00959F2E3009F8C47 /* IA64ISelLowering.cpp */,
-				CFC244C10959F2E3009F8C47 /* IA64ISelLowering.h */,
-				DE66EF0708ABEE5E00323D32 /* IA64MachineFunctionInfo.h */,
-				DE66EF0808ABEE5E00323D32 /* IA64RegisterInfo.cpp */,
-				DE66EF0908ABEE5E00323D32 /* IA64RegisterInfo.h */,
-				DE66EF0A08ABEE5E00323D32 /* IA64RegisterInfo.td */,
-				CF341DE90AB07F890099B064 /* IA64TargetAsmInfo.cpp */,
-				CF341DE80AB07F890099B064 /* IA64TargetAsmInfo.h */,
-				DE66EF0B08ABEE5E00323D32 /* IA64TargetMachine.cpp */,
-				DE66EF0C08ABEE5E00323D32 /* IA64TargetMachine.h */,
-				DE66EF0E08ABEE5E00323D32 /* README */,
-			);
-			path = IA64;
-			sourceTree = "<group>";
-		};
 		DE66EF1108ABEE5E00323D32 /* PowerPC */ = {
 			isa = PBXGroup;
 			children = (
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index a9a6da724c..6bbcc34cf0 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -221,7 +221,6 @@ AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
   sparc*-*)               llvm_cv_target_arch="Sparc" ;;
   powerpc*-*)             llvm_cv_target_arch="PowerPC" ;;
   alpha*-*)               llvm_cv_target_arch="Alpha" ;;
-  ia64-*)                 llvm_cv_target_arch="IA64" ;;
   arm*-*)                 llvm_cv_target_arch="ARM" ;;
   mips-*)                 llvm_cv_target_arch="Mips" ;;
   pic16-*)                llvm_cv_target_arch="PIC16" ;;
@@ -347,7 +346,6 @@ else
     PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
     x86_64)  AC_SUBST(TARGET_HAS_JIT,1) ;;
     Alpha)   AC_SUBST(TARGET_HAS_JIT,1) ;;
-    IA64)    AC_SUBST(TARGET_HAS_JIT,0) ;;
     ARM)     AC_SUBST(TARGET_HAS_JIT,0) ;;
     Mips)    AC_SUBST(TARGET_HAS_JIT,0) ;;
     PIC16)   AC_SUBST(TARGET_HAS_JIT,0) ;;
@@ -403,7 +401,7 @@ AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
     [Build specific host targets: all,host-only,{target-name} (default=all)]),,
     enableval=all)
 case "$enableval" in
-  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 SystemZ CBackend MSIL CppBackend" ;;
+  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ CBackend MSIL CppBackend" ;;
   host-only)
     case "$llvm_cv_target_arch" in
       x86)     TARGETS_TO_BUILD="X86" ;;
@@ -411,7 +409,6 @@ case "$enableval" in
       Sparc)   TARGETS_TO_BUILD="Sparc" ;;
       PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
       Alpha)   TARGETS_TO_BUILD="Alpha" ;;
-      IA64)    TARGETS_TO_BUILD="IA64" ;;
       ARM)     TARGETS_TO_BUILD="ARM" ;;
       Mips)    TARGETS_TO_BUILD="Mips" ;;
       CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
@@ -429,7 +426,6 @@ case "$enableval" in
         sparc)   TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
         powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
         alpha)   TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
-        ia64)    TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
         arm)     TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
         mips)    TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
         spu)     TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
index 5833119e26..3d97d42cd6 100755
--- a/cmake/config-ix.cmake
+++ b/cmake/config-ix.cmake
@@ -101,8 +101,6 @@ elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
   set(LLVM_NATIVE_ARCH PowerPC)
 elseif (LLVM_NATIVE_ARCH MATCHES "alpha")
   set(LLVM_NATIVE_ARCH Alpha)
-elseif (LLVM_NATIVE_ARCH MATCHES "ia64")
-  set(LLVM_NATIVE_ARCH IA64)
 elseif (LLVM_NATIVE_ARCH MATCHES "arm")
   set(LLVM_NATIVE_ARCH ARM)
 elseif (LLVM_NATIVE_ARCH MATCHES "mips")
diff --git a/cmake/modules/LLVMConfig.cmake b/cmake/modules/LLVMConfig.cmake
index 6b6564579a..31a5ff248f 100755
--- a/cmake/modules/LLVMConfig.cmake
+++ b/cmake/modules/LLVMConfig.cmake
@@ -148,9 +148,6 @@ set(MSVC_LIB_DEPS_LLVMCppBackend LLVMCore LLVMCppBackendInfo LLVMSupport LLVMSys
 set(MSVC_LIB_DEPS_LLVMCppBackendInfo LLVMSupport)
 set(MSVC_LIB_DEPS_LLVMDebugger LLVMAnalysis LLVMBitReader LLVMCore LLVMSupport LLVMSystem)
 set(MSVC_LIB_DEPS_LLVMExecutionEngine LLVMCore LLVMSupport LLVMSystem LLVMTarget)
-set(MSVC_LIB_DEPS_LLVMIA64AsmPrinter LLVMAsmPrinter LLVMCodeGen LLVMCore LLVMIA64Info LLVMSupport LLVMSystem LLVMTarget)
-set(MSVC_LIB_DEPS_LLVMIA64CodeGen LLVMCodeGen LLVMCore LLVMIA64Info LLVMSelectionDAG LLVMSupport LLVMSystem LLVMTarget)
-set(MSVC_LIB_DEPS_LLVMIA64Info LLVMSupport)
 set(MSVC_LIB_DEPS_LLVMInstrumentation LLVMCore LLVMScalarOpts LLVMSupport LLVMSystem LLVMTransformUtils)
 set(MSVC_LIB_DEPS_LLVMInterpreter LLVMCodeGen LLVMCore LLVMExecutionEngine LLVMSupport LLVMSystem LLVMTarget)
 set(MSVC_LIB_DEPS_LLVMJIT LLVMCodeGen LLVMCore LLVMExecutionEngine LLVMSupport LLVMSystem LLVMTarget)
diff --git a/configure b/configure
index 34eba159da..304eaf1cac 100755
--- a/configure
+++ b/configure
@@ -2400,7 +2400,6 @@ else
   sparc*-*)               llvm_cv_target_arch="Sparc" ;;
   powerpc*-*)             llvm_cv_target_arch="PowerPC" ;;
   alpha*-*)               llvm_cv_target_arch="Alpha" ;;
-  ia64-*)                 llvm_cv_target_arch="IA64" ;;
   arm*-*)                 llvm_cv_target_arch="ARM" ;;
   mips-*)                 llvm_cv_target_arch="Mips" ;;
   pic16-*)                llvm_cv_target_arch="PIC16" ;;
@@ -4843,8 +4842,6 @@ else
  ;;
     Alpha)   TARGET_HAS_JIT=1
  ;;
-    IA64)    TARGET_HAS_JIT=0
- ;;
     ARM)     TARGET_HAS_JIT=0
  ;;
     Mips)    TARGET_HAS_JIT=0
@@ -4938,7 +4935,7 @@ else
 fi
 
 case "$enableval" in
-  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 SystemZ CBackend MSIL CppBackend" ;;
+  all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ CBackend MSIL CppBackend" ;;
   host-only)
     case "$llvm_cv_target_arch" in
       x86)     TARGETS_TO_BUILD="X86" ;;
@@ -4946,7 +4943,6 @@ case "$enableval" in
       Sparc)   TARGETS_TO_BUILD="Sparc" ;;
       PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
       Alpha)   TARGETS_TO_BUILD="Alpha" ;;
-      IA64)    TARGETS_TO_BUILD="IA64" ;;
       ARM)     TARGETS_TO_BUILD="ARM" ;;
       Mips)    TARGETS_TO_BUILD="Mips" ;;
       CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
@@ -4966,7 +4962,6 @@ echo "$as_me: error: Can not set target to build" >&2;}
         sparc)   TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
         powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
         alpha)   TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
-        ia64)    TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
         arm)     TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
         mips)    TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
         spu)     TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
diff --git a/docs/CodeGenerator.html b/docs/CodeGenerator.html
index cf228265c9..2f716a2161 100644
--- a/docs/CodeGenerator.html
+++ b/docs/CodeGenerator.html
@@ -1380,9 +1380,9 @@ bool RegMapping_Fer::compatible_class(MachineFunction &amp;mf,
    for <tt>RegisterClass</tt>, the last parameter of which is a list of
    registers. Just commenting some out is one simple way to avoid them being
    used. A more polite way is to explicitly exclude some registers from
-   the <i>allocation order</i>. See the definition of the <tt>GR</tt> register
-   class in <tt>lib/Target/IA64/IA64RegisterInfo.td</tt> for an example of this
-   (e.g., <tt>numReservedRegs</tt> registers are hidden.)</p>
+   the <i>allocation order</i>. See the definition of the <tt>GR8</tt> register
+   class in <tt>lib/Target/X86/X86RegisterInfo.td</tt> for an example of this.
+   </p>
 
 <p>Virtual registers are also denoted by integer numbers. Contrary to physical
    registers, different virtual registers never share the same number. The
diff --git a/docs/ReleaseNotes-2.6.html b/docs/ReleaseNotes-2.6.html
index 4281130337..f1b8852fe0 100644
--- a/docs/ReleaseNotes-2.6.html
+++ b/docs/ReleaseNotes-2.6.html
@@ -491,7 +491,6 @@ and 64-bit modes.</li>
     support is available for native builds with Visual C++).</li>
 <li>Sun UltraSPARC workstations running Solaris 10.</li>
 <li>Alpha-based machines running Debian GNU/Linux.</li>
-<li>Itanium-based (IA64) machines running Linux and HP-UX.</li>
 </ul>
 
 <p>The core LLVM infrastructure uses GNU autoconf to adapt itself
@@ -540,7 +539,7 @@ components, please contact us on the <a
 href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">LLVMdev list</a>.</p>
 
 <ul>
-<li>The MSIL, IA64, Alpha, SPU, MIPS, and PIC16 backends are experimental.</li>
+<li>The MSIL, Alpha, SPU, MIPS, and PIC16 backends are experimental.</li>
 <li>The <tt>llc</tt> "<tt>-filetype=asm</tt>" (the default) is the only
     supported value for this option.</li>
 </ul>
@@ -654,21 +653,6 @@ appropriate nops inserted to ensure restartability.</li>
 
 <!-- ======================================================================= -->
 <div class="doc_subsection">
-  <a name="ia64-be">Known problems with the IA64 back-end</a>
-</div>
-
-<div class="doc_text">
-
-<ul>
-<li>The Itanium backend is highly experimental and has a number of known
-    issues.  We are looking for a maintainer for the Itanium backend.  If you
-    are interested, please contact the LLVMdev mailing list.</li>
-</ul>
-
-</div>
-
-<!-- ======================================================================= -->
-<div class="doc_subsection">
   <a name="c-be">Known problems with the C back-end</a>
 </div>
 
diff --git a/docs/UsingLibraries.html b/docs/UsingLibraries.html
index ded2d812f7..b1a3b4de62 100644
--- a/docs/UsingLibraries.html
+++ b/docs/UsingLibraries.html
@@ -128,8 +128,6 @@
     <td>Code generation for ARM architecture</td></tr>
   <tr><td>LLVMCBackend</td><td><tt>.o</tt></td>
     <td>'C' language code generator.</td></tr>
-  <tr><td>LLVMIA64</td><td><tt>.o</tt></td>
-    <td>Code generation for IA64 architecture</td></tr>
   <tr><td>LLVMPowerPC</td><td><tt>.o</tt></td>
     <td>Code generation for PowerPC architecture</td></tr>
   <tr><td>LLVMSparc</td><td><tt>.o</tt></td>
@@ -356,14 +354,6 @@
     <li>libLLVMSystem.a</li>
     <li>libLLVMTarget.a</li>
   </ul></dd>
-  <dt><b>LLVMIA64.o</b></dt><dd><ul>
-    <li>libLLVMCodeGen.a</li>
-    <li>libLLVMCore.a</li>
-    <li>libLLVMSelectionDAG.a</li>
-    <li>libLLVMSupport.a</li>
-    <li>libLLVMSystem.a</li>
-    <li>libLLVMTarget.a</li>
-  </ul></dd>
   <dt><b>LLVMInterpreter.o</b></dt><dd><ul>
     <li>LLVMExecutionEngine.o</li>
     <li>libLLVMCodeGen.a</li>
diff --git a/include/llvm/Target/TargetAsmInfo.h b/include/llvm/Target/TargetAsmInfo.h
index 447297cddc..86e26a3210 100644
--- a/include/llvm/Target/TargetAsmInfo.h
+++ b/include/llvm/Target/TargetAsmInfo.h
@@ -265,10 +265,6 @@ namespace llvm {
 
     /// FunctionAddrPrefix/Suffix - If these are nonempty, these strings
     /// will enclose any GlobalVariable that points to a function.
-    /// For example, this is used by the IA64 backend to materialize
-    /// function descriptors, by decorating the ".data8" object with the
-    /// @verbatim @fptr( ) @endverbatim
-    /// link-relocation operator.
     ///
     const char *FunctionAddrPrefix;       // Defaults to ""
     const char *FunctionAddrSuffix;       // Defaults to ""
diff --git a/lib/Target/IA64/AsmPrinter/CMakeLists.txt b/lib/Target/IA64/AsmPrinter/CMakeLists.txt
deleted file mode 100644
index cff386e0ec..0000000000
--- a/lib/Target/IA64/AsmPrinter/CMakeLists.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-include_directories(

-  ${CMAKE_CURRENT_BINARY_DIR}/..

-  ${CMAKE_CURRENT_SOURCE_DIR}/..

-  )

-

-add_llvm_library(LLVMIA64AsmPrinter

-  IA64AsmPrinter.cpp
-  )

-add_dependencies(LLVMIA64AsmPrinter IA64CodeGenTable_gen)
\ No newline at end of file
diff --git a/lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp b/lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
deleted file mode 100644
index 1634a19b8c..0000000000
--- a/lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
+++ /dev/null
@@ -1,377 +0,0 @@
-//===-- IA64AsmPrinter.cpp - Print out IA64 LLVM as assembly --------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains a printer that converts from our internal representation
-// of machine-dependent LLVM code to assembly accepted by the GNU binutils 'gas'
-// assembler. The Intel 'ias' and HP-UX 'as' assemblers *may* choke on this
-// output, but if so that's a bug I'd like to hear about: please file a bug