Upgrade our copy of llvm/clang to 3.4.1 release. This release contains

mostly fixes, for the following upstream bugs:

http://llvm.org/PR16365 http://llvm.org/PR17473 http://llvm.org/PR18000
http://llvm.org/PR18068 http://llvm.org/PR18102 http://llvm.org/PR18165
http://llvm.org/PR18260 http://llvm.org/PR18290 http://llvm.org/PR18316
http://llvm.org/PR18460 http://llvm.org/PR18473 http://llvm.org/PR18515
http://llvm.org/PR18526 http://llvm.org/PR18600 http://llvm.org/PR18762
http://llvm.org/PR18773 http://llvm.org/PR18860 http://llvm.org/PR18994
http://llvm.org/PR19007 http://llvm.org/PR19010 http://llvm.org/PR19033
http://llvm.org/PR19059 http://llvm.org/PR19144 http://llvm.org/PR19326

MFC after:	2 weeks

2 files changed, 46 insertions, 33 deletions

diff --git a/contrib/llvm/include/llvm/IR/IntrinsicsX86.td b/contrib/llvm/include/llvm/IR/IntrinsicsX86.td
index 4c5718f..46c32ae 100644
--- a/contrib/llvm/include/llvm/IR/IntrinsicsX86.td
+++ b/contrib/llvm/include/llvm/IR/IntrinsicsX86.td
@@ -1758,68 +1758,68 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   def int_x86_avx2_gather_d_pd : GCCBuiltin<"__builtin_ia32_gatherd_pd">,
       Intrinsic<[llvm_v2f64_ty],
         [llvm_v2f64_ty, llvm_ptr_ty, llvm_v4i32_ty, llvm_v2f64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_d_pd_256 : GCCBuiltin<"__builtin_ia32_gatherd_pd256">,
       Intrinsic<[llvm_v4f64_ty],
         [llvm_v4f64_ty, llvm_ptr_ty, llvm_v4i32_ty, llvm_v4f64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_pd : GCCBuiltin<"__builtin_ia32_gatherq_pd">,
       Intrinsic<[llvm_v2f64_ty],
         [llvm_v2f64_ty, llvm_ptr_ty, llvm_v2i64_ty, llvm_v2f64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_pd_256 : GCCBuiltin<"__builtin_ia32_gatherq_pd256">,
       Intrinsic<[llvm_v4f64_ty],
         [llvm_v4f64_ty, llvm_ptr_ty, llvm_v4i64_ty, llvm_v4f64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_d_ps : GCCBuiltin<"__builtin_ia32_gatherd_ps">,
       Intrinsic<[llvm_v4f32_ty],
         [llvm_v4f32_ty, llvm_ptr_ty, llvm_v4i32_ty, llvm_v4f32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_d_ps_256 : GCCBuiltin<"__builtin_ia32_gatherd_ps256">,
       Intrinsic<[llvm_v8f32_ty],
         [llvm_v8f32_ty, llvm_ptr_ty, llvm_v8i32_ty, llvm_v8f32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_ps : GCCBuiltin<"__builtin_ia32_gatherq_ps">,
       Intrinsic<[llvm_v4f32_ty],
         [llvm_v4f32_ty, llvm_ptr_ty, llvm_v2i64_ty, llvm_v4f32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_ps_256 : GCCBuiltin<"__builtin_ia32_gatherq_ps256">,
       Intrinsic<[llvm_v4f32_ty],
         [llvm_v4f32_ty, llvm_ptr_ty, llvm_v4i64_ty, llvm_v4f32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
 
   def int_x86_avx2_gather_d_q : GCCBuiltin<"__builtin_ia32_gatherd_q">,
       Intrinsic<[llvm_v2i64_ty],
         [llvm_v2i64_ty, llvm_ptr_ty, llvm_v4i32_ty, llvm_v2i64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_d_q_256 : GCCBuiltin<"__builtin_ia32_gatherd_q256">,
       Intrinsic<[llvm_v4i64_ty],
         [llvm_v4i64_ty, llvm_ptr_ty, llvm_v4i32_ty, llvm_v4i64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_q : GCCBuiltin<"__builtin_ia32_gatherq_q">,
       Intrinsic<[llvm_v2i64_ty],
         [llvm_v2i64_ty, llvm_ptr_ty, llvm_v2i64_ty, llvm_v2i64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_q_256 : GCCBuiltin<"__builtin_ia32_gatherq_q256">,
       Intrinsic<[llvm_v4i64_ty],
         [llvm_v4i64_ty, llvm_ptr_ty, llvm_v4i64_ty, llvm_v4i64_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_d_d : GCCBuiltin<"__builtin_ia32_gatherd_d">,
       Intrinsic<[llvm_v4i32_ty],
         [llvm_v4i32_ty, llvm_ptr_ty, llvm_v4i32_ty, llvm_v4i32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_d_d_256 : GCCBuiltin<"__builtin_ia32_gatherd_d256">,
       Intrinsic<[llvm_v8i32_ty],
         [llvm_v8i32_ty, llvm_ptr_ty, llvm_v8i32_ty, llvm_v8i32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_d : GCCBuiltin<"__builtin_ia32_gatherq_d">,
       Intrinsic<[llvm_v4i32_ty],
         [llvm_v4i32_ty, llvm_ptr_ty, llvm_v2i64_ty, llvm_v4i32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
   def int_x86_avx2_gather_q_d_256 : GCCBuiltin<"__builtin_ia32_gatherq_d256">,
       Intrinsic<[llvm_v4i32_ty],
         [llvm_v4i32_ty, llvm_ptr_ty, llvm_v4i64_ty, llvm_v4i32_ty, llvm_i8_ty],
-        [IntrReadMem]>;
+        [IntrReadArgMem]>;
 }
 
 // Misc.
@@ -2909,28 +2909,28 @@ let TargetPrefix = "x86" in {
   def int_x86_avx512_gather_dpd_mask_512  : GCCBuiltin<"__builtin_ia32_mask_gatherdpd512">,
           Intrinsic<[llvm_v8f64_ty], [llvm_v8f64_ty, llvm_i8_ty,
                      llvm_v8i32_ty, llvm_ptr_ty, llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
   def int_x86_avx512_gather_dps_mask_512  : GCCBuiltin<"__builtin_ia32_mask_gatherdps512">,
           Intrinsic<[llvm_v16f32_ty], [llvm_v16f32_ty, llvm_i16_ty,
                      llvm_v16i32_ty, llvm_ptr_ty, llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
   def int_x86_avx512_gather_qpd_mask_512  : GCCBuiltin<"__builtin_ia32_mask_gatherqpd512">,
           Intrinsic<[llvm_v8f64_ty], [llvm_v8f64_ty, llvm_i8_ty,
                      llvm_v8i64_ty, llvm_ptr_ty, llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
   def int_x86_avx512_gather_qps_mask_512  : GCCBuiltin<"__builtin_ia32_mask_gatherqps512">,
           Intrinsic<[llvm_v8f32_ty], [llvm_v8f32_ty, llvm_i8_ty,
                      llvm_v8i64_ty, llvm_ptr_ty, llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
 
   def int_x86_avx512_gather_dpd_512  : GCCBuiltin<"__builtin_ia32_gatherdpd512">,
           Intrinsic<[llvm_v8f64_ty], [llvm_v8i32_ty, llvm_ptr_ty,
                      llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
   def int_x86_avx512_gather_dps_512  : GCCBuiltin<"__builtin_ia32_gatherdps512">,
           Intrinsic<[llvm_v16f32_ty], [llvm_v16i32_ty, llvm_ptr_ty,
                      llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
   def int_x86_avx512_gather_qpd_512  : GCCBuiltin<"__builtin_ia32_gatherqpd512">,
           Intrinsic<[llvm_v8f64_ty], [llvm_v8i64_ty, llvm_ptr_ty,
                      llvm_i32_ty],
@@ -2938,12 +2938,12 @@ let TargetPrefix = "x86" in {
   def int_x86_avx512_gather_qps_512  : GCCBuiltin<"__builtin_ia32_gatherqps512">,
           Intrinsic<[llvm_v8f32_ty], [llvm_v8i64_ty, llvm_ptr_ty, 
                      llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
 
   def int_x86_avx512_gather_dpq_mask_512  : GCCBuiltin<"__builtin_ia32_mask_gatherdpq512">,
           Intrinsic<[llvm_v8i64_ty], [llvm_v8i64_ty, llvm_i8_ty,
                      llvm_v8i32_ty, llvm_ptr_ty, llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
   def int_x86_avx512_gather_dpi_mask_512  : GCCBuiltin<"__builtin_ia32_mask_gatherdpi512">,
           Intrinsic<[llvm_v16i32_ty], [llvm_v16i32_ty, llvm_i16_ty,
                      llvm_v16i32_ty, llvm_ptr_ty, llvm_i32_ty],
@@ -2955,7 +2955,7 @@ let TargetPrefix = "x86" in {
   def int_x86_avx512_gather_qpi_mask_512  : GCCBuiltin<"__builtin_ia32_mask_gatherqpi512">,
           Intrinsic<[llvm_v8i32_ty], [llvm_v8i32_ty, llvm_i8_ty,
                      llvm_v8i64_ty, llvm_ptr_ty, llvm_i32_ty],
-                    [IntrReadMem]>;
+                    [IntrReadArgMem]>;
 
   def int_x86_avx512_gather_dpq_512  : GCCBuiltin<"__builtin_ia32_gatherdpq512">,
           Intrinsic<[llvm_v8i64_ty], [llvm_v8i32_ty, llvm_ptr_ty,
diff --git a/contrib/llvm/include/llvm/MC/MCAsmInfo.h b/contrib/llvm/include/llvm/MC/MCAsmInfo.h
index aba8bcb..f5ca921 100644
--- a/contrib/llvm/include/llvm/MC/MCAsmInfo.h
+++ b/contrib/llvm/include/llvm/MC/MCAsmInfo.h
@@ -266,13 +266,16 @@ namespace llvm {
     /// global as being a weak undefined symbol.
     const char *WeakRefDirective;            // Defaults to NULL.
 
-    /// WeakDefDirective - This directive, if non-null, is used to declare a
-    /// global as being a weak defined symbol.
-    const char *WeakDefDirective;            // Defaults to NULL.
+    /// True if we have a directive to declare a global as being a weak
+    /// defined symbol.
+    bool HasWeakDefDirective;                // Defaults to false.
 
-    /// LinkOnceDirective - This directive, if non-null is used to declare a
-    /// global as being a weak defined symbol.  This is used on cygwin/mingw.
-    const char *LinkOnceDirective;           // Defaults to NULL.
+    /// True if we have a directive to declare a global as being a weak
+    /// defined symbol that can be hidden (unexported).
+    bool HasWeakDefCanBeHiddenDirective;     // Defaults to false.
+
+    /// True if we have a .linkonce directive.  This is used on cygwin/mingw.
+    bool HasLinkOnceDirective;               // Defaults to false.
 
     /// HiddenVisibilityAttr - This attribute, if not MCSA_Invalid, is used to
     /// declare a symbol as having hidden visibility.
@@ -303,6 +306,10 @@ namespace llvm {
     /// uses relocations for references to other .debug_* sections.
     bool DwarfUsesRelocationsAcrossSections;
 
+    /// DwarfFDESymbolsUseAbsDiff - true if DWARF FDE symbol reference
+    /// relocations should be replaced by an absolute difference.
+    bool DwarfFDESymbolsUseAbsDiff;
+
     /// DwarfRegNumForCFI - True if dwarf register numbers are printed
     /// instead of symbolic register names in .cfi_* directives.
     bool DwarfRegNumForCFI;  // Defaults to false;
@@ -497,8 +504,11 @@ namespace llvm {
     bool hasIdentDirective() const { return HasIdentDirective; }
     bool hasNoDeadStrip() const { return HasNoDeadStrip; }
     const char *getWeakRefDirective() const { return WeakRefDirective; }
-    const char *getWeakDefDirective() const { return WeakDefDirective; }
-    const char *getLinkOnceDirective() const { return LinkOnceDirective; }
+    bool hasWeakDefDirective() const { return HasWeakDefDirective; }
+    bool hasWeakDefCanBeHiddenDirective() const {
+      return HasWeakDefCanBeHiddenDirective;
+    }
+    bool hasLinkOnceDirective() const { return HasLinkOnceDirective; }
 
     MCSymbolAttr getHiddenVisibilityAttr() const { return HiddenVisibilityAttr;}
     MCSymbolAttr getHiddenDeclarationVisibilityAttr() const {
@@ -528,6 +538,9 @@ namespace llvm {
     bool doesDwarfUseRelocationsAcrossSections() const {
       return DwarfUsesRelocationsAcrossSections;
     }
+    bool doDwarfFDESymbolsUseAbsDiff() const {
+      return DwarfFDESymbolsUseAbsDiff;
+    }
     bool useDwarfRegNumForCFI() const {
       return DwarfRegNumForCFI;
     }