Import LLVM 6.0.1 release including clang, lld and lldb.

"where is the kaboom?" deraadt@

6 files changed, 258 insertions, 24 deletions

diff --git a/gnu/llvm/include/llvm-c/Core.h b/gnu/llvm/include/llvm-c/Core.h
index 22cef23007c..8238c09f9dd 100644
--- a/gnu/llvm/include/llvm-c/Core.h
+++ b/gnu/llvm/include/llvm-c/Core.h
@@ -1137,6 +1137,16 @@ LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C);
 LLVMTypeRef LLVMX86MMXTypeInContext(LLVMContextRef C);
 
 /**
+ * Create a token type in a context.
+ */
+LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C);
+
+/**
+ * Create a metadata type in a context.
+ */
+LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C);
+
+/**
  * These are similar to the above functions except they operate on the
  * global context.
  */
diff --git a/gnu/llvm/include/llvm-c/DebugInfo.h b/gnu/llvm/include/llvm-c/DebugInfo.h
new file mode 100644
index 00000000000..d17c690be4d
--- /dev/null
+++ b/gnu/llvm/include/llvm-c/DebugInfo.h
@@ -0,0 +1,232 @@
+//===------------ DebugInfo.h - LLVM C API Debug Info API -----------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// This file declares the C API endpoints for generating DWARF Debug Info
+///
+/// Note: This interface is experimental. It is *NOT* stable, and may be
+///       changed without warning.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_C_DEBUGINFO_H
+#define LLVM_C_DEBUGINFO_H
+
+#include "llvm-c/Core.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Debug info flags.
+ */
+typedef enum {
+  LLVMDIFlagZero = 0,
+  LLVMDIFlagPrivate = 1,
+  LLVMDIFlagProtected = 2,
+  LLVMDIFlagPublic = 3,
+  LLVMDIFlagFwdDecl = 1 << 2,
+  LLVMDIFlagAppleBlock = 1 << 3,
+  LLVMDIFlagBlockByrefStruct = 1 << 4,
+  LLVMDIFlagVirtual = 1 << 5,
+  LLVMDIFlagArtificial = 1 << 6,
+  LLVMDIFlagExplicit = 1 << 7,
+  LLVMDIFlagPrototyped = 1 << 8,
+  LLVMDIFlagObjcClassComplete = 1 << 9,
+  LLVMDIFlagObjectPointer = 1 << 10,
+  LLVMDIFlagVector = 1 << 11,
+  LLVMDIFlagStaticMember = 1 << 12,
+  LLVMDIFlagLValueReference = 1 << 13,
+  LLVMDIFlagRValueReference = 1 << 14,
+  LLVMDIFlagReserved = 1 << 15,
+  LLVMDIFlagSingleInheritance = 1 << 16,
+  LLVMDIFlagMultipleInheritance = 2 << 16,
+  LLVMDIFlagVirtualInheritance = 3 << 16,
+  LLVMDIFlagIntroducedVirtual = 1 << 18,
+  LLVMDIFlagBitField = 1 << 19,
+  LLVMDIFlagNoReturn = 1 << 20,
+  LLVMDIFlagMainSubprogram = 1 << 21,
+  LLVMDIFlagIndirectVirtualBase = (1 << 2) | (1 << 5),
+  LLVMDIFlagAccessibility = LLVMDIFlagPrivate | LLVMDIFlagProtected |
+                            LLVMDIFlagPublic,
+  LLVMDIFlagPtrToMemberRep = LLVMDIFlagSingleInheritance |
+                             LLVMDIFlagMultipleInheritance |
+                             LLVMDIFlagVirtualInheritance
+} LLVMDIFlags;
+
+/**
+ * Source languages known by DWARF.
+ */
+typedef enum {
+  LLVMDWARFSourceLanguageC89,
+  LLVMDWARFSourceLanguageC,
+  LLVMDWARFSourceLanguageAda83,
+  LLVMDWARFSourceLanguageC_plus_plus,
+  LLVMDWARFSourceLanguageCobol74,
+  LLVMDWARFSourceLanguageCobol85,
+  LLVMDWARFSourceLanguageFortran77,
+  LLVMDWARFSourceLanguageFortran90,
+  LLVMDWARFSourceLanguagePascal83,
+  LLVMDWARFSourceLanguageModula2,
+  // New in DWARF v3:
+  LLVMDWARFSourceLanguageJava,
+  LLVMDWARFSourceLanguageC99,
+  LLVMDWARFSourceLanguageAda95,
+  LLVMDWARFSourceLanguageFortran95,
+  LLVMDWARFSourceLanguagePLI,
+  LLVMDWARFSourceLanguageObjC,
+  LLVMDWARFSourceLanguageObjC_plus_plus,
+  LLVMDWARFSourceLanguageUPC,
+  LLVMDWARFSourceLanguageD,
+  // New in DWARF v4:
+  LLVMDWARFSourceLanguagePython,
+  // New in DWARF v5:
+  LLVMDWARFSourceLanguageOpenCL,
+  LLVMDWARFSourceLanguageGo,
+  LLVMDWARFSourceLanguageModula3,
+  LLVMDWARFSourceLanguageHaskell,
+  LLVMDWARFSourceLanguageC_plus_plus_03,
+  LLVMDWARFSourceLanguageC_plus_plus_11,
+  LLVMDWARFSourceLanguageOCaml,
+  LLVMDWARFSourceLanguageRust,
+  LLVMDWARFSourceLanguageC11,
+  LLVMDWARFSourceLanguageSwift,
+  LLVMDWARFSourceLanguageJulia,
+  LLVMDWARFSourceLanguageDylan,
+  LLVMDWARFSourceLanguageC_plus_plus_14,
+  LLVMDWARFSourceLanguageFortran03,
+  LLVMDWARFSourceLanguageFortran08,
+  LLVMDWARFSourceLanguageRenderScript,
+  LLVMDWARFSourceLanguageBLISS,
+  // Vendor extensions:
+  LLVMDWARFSourceLanguageMips_Assembler,
+  LLVMDWARFSourceLanguageGOOGLE_RenderScript,
+  LLVMDWARFSourceLanguageBORLAND_Delphi
+} LLVMDWARFSourceLanguage;
+
+/**
+ * The amount of debug information to emit.
+ */
+typedef enum {
+    LLVMDWARFEmissionNone = 0,
+    LLVMDWARFEmissionFull,
+    LLVMDWARFEmissionLineTablesOnly
+} LLVMDWARFEmissionKind;
+
+/**
+ * The current debug metadata version number.
+ */
+unsigned LLVMDebugMetadataVersion(void);
+
+/**
+ * The version of debug metadata that's present in the provided \c Module.
+ */
+unsigned LLVMGetModuleDebugMetadataVersion(LLVMModuleRef Module);
+
+/**
+ * Strip debug info in the module if it exists.
+ * To do this, we remove all calls to the debugger intrinsics and any named
+ * metadata for debugging. We also remove debug locations for instructions.
+ * Return true if module is modified.
+ */
+LLVMBool LLVMStripModuleDebugInfo(LLVMModuleRef Module);
+
+/**
+ * Construct a builder for a module, and do not allow for unresolved nodes
+ * attached to the module.
+ */
+LLVMDIBuilderRef LLVMCreateDIBuilderDisallowUnresolved(LLVMModuleRef M);
+
+/**
+ * Construct a builder for a module and collect unresolved nodes attached
+ * to the module in order to resolve cycles during a call to
+ * \c LLVMDIBuilderFinalize.
+ */
+LLVMDIBuilderRef LLVMCreateDIBuilder(LLVMModuleRef M);
+
+/**
+ * Deallocates the \c DIBuilder and everything it owns.
+ * @note You must call \c LLVMDIBuilderFinalize before this
+ */
+void LLVMDisposeDIBuilder(LLVMDIBuilderRef Builder);
+
+/**
+ * Construct any deferred debug info descriptors.
+ */
+void LLVMDIBuilderFinalize(LLVMDIBuilderRef Builder);
+
+/**
+ * A CompileUnit provides an anchor for all debugging
+ * information generated during this instance of compilation.
+ * \param Lang          Source programming language, eg.
+ *                      \c LLVMDWARFSourceLanguageC99
+ * \param FileRef       File info.
+ * \param Producer      Identify the producer of debugging information
+ *                      and code.  Usually this is a compiler
+ *                      version string.
+ * \param ProducerLen   The length of the C string passed to \c Producer.
+ * \param isOptimized   A boolean flag which indicates whether optimization
+ *                      is enabled or not.
+ * \param Flags         This string lists command line options. This
+ *                      string is directly embedded in debug info
+ *                      output which may be used by a tool
+ *                      analyzing generated debugging information.
+ * \param FlagsLen      The length of the C string passed to \c Flags.
+ * \param RuntimeVer    This indicates runtime version for languages like
+ *                      Objective-C.
+ * \param SplitName     The name of the file that we'll split debug info
+ *                      out into.
+ * \param SplitNameLen  The length of the C string passed to \c SplitName.
+ * \param Kind          The kind of debug information to generate.
+ * \param DWOId         The DWOId if this is a split skeleton compile unit.
+ * \param SplitDebugInlining    Whether to emit inline debug info.
+ * \param DebugInfoForProfiling Whether to emit extra debug info for
+ *                              profile collection.
+ */
+LLVMMetadataRef LLVMDIBuilderCreateCompileUnit(
+    LLVMDIBuilderRef Builder, LLVMDWARFSourceLanguage Lang,
+    LLVMMetadataRef FileRef, const char *Producer, size_t ProducerLen,
+    LLVMBool isOptimized, const char *Flags, size_t FlagsLen,
+    unsigned RuntimeVer, const char *SplitName, size_t SplitNameLen,
+    LLVMDWARFEmissionKind Kind, unsigned DWOId, LLVMBool SplitDebugInlining,
+    LLVMBool DebugInfoForProfiling);
+
+/**
+ * Create a file descriptor to hold debugging information for a file.
+ * \param Builder      The \c DIBuilder.
+ * \param Filename     File name.
+ * \param FilenameLen  The length of the C string passed to \c Filename.
+ * \param Directory    Directory.
+ * \param DirectoryLen The length of the C string passed to \c Directory.
+ */
+LLVMMetadataRef
+LLVMDIBuilderCreateFile(LLVMDIBuilderRef Builder, const char *Filename,
+                        size_t FilenameLen, const char *Directory,
+                        size_t DirectoryLen);
+
+/**
+ * Creates a new DebugLocation that describes a source location.
+ * \param Line The line in the source file.
+ * \param Column The column in the source file.
+ * \param Scope The scope in which the location resides.
+ * \param InlinedAt The scope where this location was inlined, if at all.
+ *                  (optional).
+ * \note If the item to which this location is attached cannot be
+ *       attributed to a source line, pass 0 for the line and column.
+ */
+LLVMMetadataRef
+LLVMDIBuilderCreateDebugLocation(LLVMContextRef Ctx, unsigned Line,
+                                 unsigned Column, LLVMMetadataRef Scope,
+                                 LLVMMetadataRef InlinedAt);
+
+#ifdef __cplusplus
+} /* end extern "C" */
+#endif
+
+#endif
diff --git a/gnu/llvm/include/llvm-c/OrcBindings.h b/gnu/llvm/include/llvm-c/OrcBindings.h
index 7ee39543135..abb3ac6a7f0 100644
--- a/gnu/llvm/include/llvm-c/OrcBindings.h
+++ b/gnu/llvm/include/llvm-c/OrcBindings.h
@@ -30,7 +30,6 @@ extern "C" {
 #endif
 
 typedef struct LLVMOpaqueSharedModule *LLVMSharedModuleRef;
-typedef struct LLVMOpaqueSharedObjectBuffer *LLVMSharedObjectBufferRef;
 typedef struct LLVMOrcOpaqueJITStack *LLVMOrcJITStackRef;
 typedef uint32_t LLVMOrcModuleHandle;
 typedef uint64_t LLVMOrcTargetAddress;
@@ -68,18 +67,6 @@ LLVMSharedModuleRef LLVMOrcMakeSharedModule(LLVMModuleRef Mod);
 void LLVMOrcDisposeSharedModuleRef(LLVMSharedModuleRef SharedMod);
 
 /**
- * Get an LLVMSharedObjectBufferRef from an LLVMMemoryBufferRef.
- */
-LLVMSharedObjectBufferRef
-LLVMOrcMakeSharedObjectBuffer(LLVMMemoryBufferRef ObjBuffer);
-
-/**
- * Dispose of a shared object buffer.
- */
-void
-LLVMOrcDisposeSharedObjectBufferRef(LLVMSharedObjectBufferRef SharedObjBuffer);
-
-/**
  * Create an ORC JIT stack.
  *
  * The client owns the resulting stack, and must call OrcDisposeInstance(...)
@@ -155,10 +142,15 @@ LLVMOrcAddLazilyCompiledIR(LLVMOrcJITStackRef JITStack,
 
 /**
  * Add an object file.
+ *
+ * This method takes ownership of the given memory buffer and attempts to add
+ * it to the JIT as an object file.
+ * Clients should *not* dispose of the 'Obj' argument: the JIT will manage it
+ * from this call onwards.
  */
 LLVMOrcErrorCode LLVMOrcAddObjectFile(LLVMOrcJITStackRef JITStack,
                                       LLVMOrcModuleHandle *RetHandle,
-                                      LLVMSharedObjectBufferRef Obj,
+                                      LLVMMemoryBufferRef Obj,
                                       LLVMOrcSymbolResolverFn SymbolResolver,
                                       void *SymbolResolverCtx);
 
diff --git a/gnu/llvm/include/llvm-c/Transforms/IPO.h b/gnu/llvm/include/llvm-c/Transforms/IPO.h
index 3af7425dd26..7705b1864dc 100644
--- a/gnu/llvm/include/llvm-c/Transforms/IPO.h
+++ b/gnu/llvm/include/llvm-c/Transforms/IPO.h
@@ -34,6 +34,9 @@ void LLVMAddArgumentPromotionPass(LLVMPassManagerRef PM);
 /** See llvm::createConstantMergePass function. */
 void LLVMAddConstantMergePass(LLVMPassManagerRef PM);
 
+/** See llvm::createCalledValuePropagationPass function. */
+void LLVMAddCalledValuePropagationPass(LLVMPassManagerRef PM);
+
 /** See llvm::createDeadArgEliminationPass function. */
 void LLVMAddDeadArgEliminationPass(LLVMPassManagerRef PM);
 
diff --git a/gnu/llvm/include/llvm-c/Transforms/Scalar.h b/gnu/llvm/include/llvm-c/Transforms/Scalar.h
index b9612b9cec0..8991e090484 100644
--- a/gnu/llvm/include/llvm-c/Transforms/Scalar.h
+++ b/gnu/llvm/include/llvm-c/Transforms/Scalar.h
@@ -44,9 +44,6 @@ void LLVMAddAlignmentFromAssumptionsPass(LLVMPassManagerRef PM);
 /** See llvm::createCFGSimplificationPass function. */
 void LLVMAddCFGSimplificationPass(LLVMPassManagerRef PM);
 
-/** See llvm::createLateCFGSimplificationPass function. */
-void LLVMAddLateCFGSimplificationPass(LLVMPassManagerRef PM);
-
 /** See llvm::createDeadStoreEliminationPass function. */
 void LLVMAddDeadStoreEliminationPass(LLVMPassManagerRef PM);
 
diff --git a/gnu/llvm/include/llvm-c/lto.h b/gnu/llvm/include/llvm-c/lto.h
index 8d45b783204..55f3e46c45e 100644
--- a/gnu/llvm/include/llvm-c/lto.h
+++ b/gnu/llvm/include/llvm-c/lto.h
@@ -757,17 +757,17 @@ extern void thinlto_codegen_add_cross_referenced_symbol(thinlto_code_gen_t cg,
  * @ingroup LLVMCTLTO
  *
  * These entry points control the ThinLTO cache. The cache is intended to
- * support incremental build, and thus needs to be persistent accross build.
- * The client enabled the cache by supplying a path to an existing directory.
+ * support incremental builds, and thus needs to be persistent across builds.
+ * The client enables the cache by supplying a path to an existing directory.
  * The code generator will use this to store objects files that may be reused
  * during a subsequent build.
  * To avoid filling the disk space, a few knobs are provided:
- *  - The pruning interval limit the frequency at which the garbage collector
- *    will try to scan the cache directory to prune it from expired entries.
- *    Setting to -1 disable the pruning (default).
+ *  - The pruning interval limits the frequency at which the garbage collector
+ *    will try to scan the cache directory to prune expired entries.
+ *    Setting to a negative number disables the pruning.
  *  - The pruning expiration time indicates to the garbage collector how old an
  *    entry needs to be to be removed.
- *  - Finally, the garbage collector can be instructed to prune the cache till
+ *  - Finally, the garbage collector can be instructed to prune the cache until
  *    the occupied space goes below a threshold.
  * @{
  */
@@ -782,7 +782,7 @@ extern void thinlto_codegen_set_cache_dir(thinlto_code_gen_t cg,
                                           const char *cache_dir);
 
 /**
- * Sets the cache pruning interval (in seconds). A negative value disable the
+ * Sets the cache pruning interval (in seconds). A negative value disables the
  * pruning. An unspecified default value will be applied, and a value of 0 will
  * be ignored.
  *