Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to

6.0.0 release (upstream r326565).

Release notes for llvm, clang and lld will be available here soon:
<http://releases.llvm.org/6.0.0/docs/ReleaseNotes.html>
<http://releases.llvm.org/6.0.0/tools/clang/docs/ReleaseNotes.html>
<http://releases.llvm.org/6.0.0/tools/lld/docs/ReleaseNotes.html>

Relnotes:	yes
MFC after:	3 months
X-MFC-With:	r327952
PR:		224669

contrib/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp

@@ -840,6 +840,7 @@ bool AArch64InstructionSelector::select(MachineInstr &I,
   case TargetOpcode::G_EXTRACT: {
     LLT SrcTy = MRI.getType(I.getOperand(1).getReg());
     LLT DstTy = MRI.getType(I.getOperand(0).getReg());
+    (void)DstTy;
     unsigned SrcSize = SrcTy.getSizeInBits();
     // Larger extracts are vectors, same-size extracts should be something else
     // by now (either split up or simplified to a COPY).

contrib/llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -35520,7 +35520,7 @@ static SDValue combineFneg(SDNode *N, SelectionDAG &DAG,
   // If we're negating an FMA node, then we can adjust the
   // instruction to include the extra negation.
   unsigned NewOpcode = 0;
-  if (Arg.hasOneUse()) {
+  if (Arg.hasOneUse() && Subtarget.hasAnyFMA()) {
     switch (Arg.getOpcode()) {
     case ISD::FMA:             NewOpcode = X86ISD::FNMSUB;       break;
     case X86ISD::FMSUB:        NewOpcode = X86ISD::FNMADD;       break;

contrib/llvm/tools/clang/include/clang/Basic/AttrDocs.td

@@ -353,7 +353,7 @@ available in C.
 
   int isdigit(int c);
   int isdigit(int c) __attribute__((enable_if(c <= -1 || c > 255, "chosen when 'c' is out of range"))) __attribute__((unavailable("'c' must have the value of an unsigned char or EOF")));
-  
+
   void foo(char c) {
     isdigit(c);
     isdigit(10);
@@ -406,7 +406,7 @@ overload out of a number of viable overloads using enable_if.
 
   void f() __attribute__((enable_if(true, "")));  // #1
   void f() __attribute__((enable_if(true, ""))) __attribute__((enable_if(true, "")));  // #2
-  
+
   void g(int i, int j) __attribute__((enable_if(i, "")));  // #1
   void g(int i, int j) __attribute__((enable_if(j, ""))) __attribute__((enable_if(true)));  // #2
 
@@ -918,11 +918,11 @@ default name.
 can only be placed before an @protocol or @interface declaration:
         
 .. code-block:: objc
-        
+
   __attribute__((objc_runtime_name("MyLocalName")))
   @interface Message
   @end
-        
+
     }];
 }
 
@@ -1228,7 +1228,7 @@ potentially-evaluated discarded-value expression that is not explicitly cast to
 .. code-block: c++
   struct [[nodiscard]] error_info { /*...*/ };
   error_info enable_missile_safety_mode();
-  
+
   void launch_missiles();
   void test_missiles() {
     enable_missile_safety_mode(); // diagnoses
@@ -2641,23 +2641,23 @@ used to process multiple arguments from a single invocation from a SIMD loop
 concurrently.
 The syntax of the `declare simd` construct is as follows:
 
-  .. code-block:: c
+  .. code-block:: none
 
-  #pragma omp declare simd [clause[[,] clause] ...] new-line
-  [#pragma omp declare simd [clause[[,] clause] ...] new-line]
-  [...]
-  function definition or declaration
+    #pragma omp declare simd [clause[[,] clause] ...] new-line
+    [#pragma omp declare simd [clause[[,] clause] ...] new-line]
+    [...]
+    function definition or declaration
 
 where clause is one of the following:
 
-  .. code-block:: c
+  .. code-block:: none
 
-  simdlen(length)
-  linear(argument-list[:constant-linear-step])
-  aligned(argument-list[:alignment])
-  uniform(argument-list)
-  inbranch
-  notinbranch
+    simdlen(length)
+    linear(argument-list[:constant-linear-step])
+    aligned(argument-list[:alignment])
+    uniform(argument-list)
+    inbranch
+    notinbranch
 
   }];
 }
@@ -2673,9 +2673,9 @@ The syntax of the declare target directive is as follows:
 
   .. code-block:: c
 
-  #pragma omp declare target new-line
-  declarations-definition-seq
-  #pragma omp end declare target new-line
+    #pragma omp declare target new-line
+    declarations-definition-seq
+    #pragma omp end declare target new-line
   }];
 }
 

contrib/llvm/tools/clang/lib/Basic/Version.cpp

@@ -36,7 +36,7 @@ std::string getClangRepositoryPath() {
 
   // If the SVN_REPOSITORY is empty, try to use the SVN keyword. This helps us
   // pick up a tag in an SVN export, for example.
-  StringRef SVNRepository("$URL: https://llvm.org/svn/llvm-project/cfe/branches/release_60/lib/Basic/Version.cpp $");
+  StringRef SVNRepository("$URL: https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_600/final/lib/Basic/Version.cpp $");
   if (URL.empty()) {
     URL = SVNRepository.slice(SVNRepository.find(':'),
                               SVNRepository.find("/lib/Basic"));

lib/clang/freebsd_cc_version.h

@@ -1,3 +1,3 @@
 /* $FreeBSD$ */
 
-#define	FREEBSD_CC_VERSION		1200010
+#define	FREEBSD_CC_VERSION		1200011

lib/clang/include/clang/Basic/Version.inc

@@ -8,4 +8,4 @@
 
 #define	CLANG_VENDOR			"FreeBSD "
 
-#define	SVN_REVISION			"325932"
+#define	SVN_REVISION			"326565"

lib/clang/include/lld/Common/Version.inc

@@ -4,5 +4,5 @@
 #define LLD_VERSION_STRING "6.0.0"
 #define LLD_VERSION_MAJOR 6
 #define LLD_VERSION_MINOR 0
-#define LLD_REVISION_STRING "325932"
+#define LLD_REVISION_STRING "326565"
 #define LLD_REPOSITORY_STRING "FreeBSD"

lib/clang/include/llvm/Support/VCSRevision.h

@@ -1,2 +1,2 @@
 /* $FreeBSD$ */
-#define LLVM_REVISION "svn-r325932"
+#define LLVM_REVISION "svn-r326565"

sys/sys/param.h

@@ -60,7 +60,7 @@
  *		in the range 5 to 9.
  */
 #undef __FreeBSD_version
-#define __FreeBSD_version 1200059	/* Master, propagated to newvers */
+#define __FreeBSD_version 1200060	/* Master, propagated to newvers */
 
 /*
  * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,