Import LLVM 4.0.0 rc1 including clang and lld to help the current

development effort on OpenBSD/arm64.

3 files changed, 55 insertions, 9 deletions

diff --git a/gnu/llvm/docs/CommandGuide/lit.rst b/gnu/llvm/docs/CommandGuide/lit.rst
index b2da58ec02c..7fc3455ddf6 100644
--- a/gnu/llvm/docs/CommandGuide/lit.rst
+++ b/gnu/llvm/docs/CommandGuide/lit.rst
@@ -324,6 +324,9 @@ executed, two important global variables are predefined:
  on the pipe fail. If this is not desired, setting this variable to false
  makes the test fail only if the last command in the pipe fails.
 
+ **available_features** A set of features that can be used in `XFAIL`,
+ `REQUIRES`, and `UNSUPPORTED` directives.
+
 TEST DISCOVERY
 ~~~~~~~~~~~~~~
 
diff --git a/gnu/llvm/docs/CommandGuide/llvm-cov.rst b/gnu/llvm/docs/CommandGuide/llvm-cov.rst
index 946b125a452..4c0354c0d60 100644
--- a/gnu/llvm/docs/CommandGuide/llvm-cov.rst
+++ b/gnu/llvm/docs/CommandGuide/llvm-cov.rst
@@ -24,6 +24,7 @@ COMMANDS
 * :ref:`gcov <llvm-cov-gcov>`
 * :ref:`show <llvm-cov-show>`
 * :ref:`report <llvm-cov-report>`
+* :ref:`export <llvm-cov-export>`
 
 .. program:: llvm-cov gcov
 
@@ -166,14 +167,14 @@ SHOW COMMAND
 SYNOPSIS
 ^^^^^^^^
 
-:program:`llvm-cov show` [*options*] -instr-profile *PROFILE* *BIN* [*SOURCES*]
+:program:`llvm-cov show` [*options*] -instr-profile *PROFILE* *BIN* [*-object BIN,...*] [[*-object BIN*]] [*SOURCES*]
 
 DESCRIPTION
 ^^^^^^^^^^^
 
-The :program:`llvm-cov show` command shows line by line coverage of a binary
-*BIN* using the profile data *PROFILE*. It can optionally be filtered to only
-show the coverage for the files listed in *SOURCES*.
+The :program:`llvm-cov show` command shows line by line coverage of the
+binaries *BIN*,...  using the profile data *PROFILE*. It can optionally be
+filtered to only show the coverage for the files listed in *SOURCES*.
 
 To use :program:`llvm-cov show`, you need a program that is compiled with
 instrumentation to emit profile and coverage data. To build such a program with
@@ -182,7 +183,7 @@ flags. If linking with the ``clang`` driver, pass ``-fprofile-instr-generate``
 to the link stage to make sure the necessary runtime libraries are linked in.
 
 The coverage information is stored in the built executable or library itself,
-and this is what you should pass to :program:`llvm-cov show` as the *BIN*
+and this is what you should pass to :program:`llvm-cov show` as a *BIN*
 argument. The profile data is generated by running this instrumented program
 normally. When the program exits it will write out a raw profile file,
 typically called ``default.profraw``, which can be converted to a format that
@@ -240,6 +241,11 @@ OPTIONS
 
  Use the specified output format. The supported formats are: "text", "html".
 
+.. option:: -tab-size=<TABSIZE>
+
+ Replace tabs with <TABSIZE> spaces when preparing reports. Currently, this is
+ only supported for the html format.
+
 .. option:: -output-dir=PATH
 
  Specify a directory to write coverage reports into. If the directory does not
@@ -286,14 +292,14 @@ REPORT COMMAND
 SYNOPSIS
 ^^^^^^^^
 
-:program:`llvm-cov report` [*options*] -instr-profile *PROFILE* *BIN* [*SOURCES*]
+:program:`llvm-cov report` [*options*] -instr-profile *PROFILE* *BIN* [*-object BIN,...*] [[*-object BIN*]] [*SOURCES*]
 
 DESCRIPTION
 ^^^^^^^^^^^
 
-The :program:`llvm-cov report` command displays a summary of the coverage of a
-binary *BIN* using the profile data *PROFILE*. It can optionally be filtered to
-only show the coverage for the files listed in *SOURCES*.
+The :program:`llvm-cov report` command displays a summary of the coverage of
+the binaries *BIN*,... using the profile data *PROFILE*. It can optionally be
+filtered to only show the coverage for the files listed in *SOURCES*.
 
 If no source files are provided, a summary line is printed for each file in the
 coverage data. If any files are provided, summaries are shown for each function
@@ -315,3 +321,35 @@ OPTIONS
  It is an error to specify an architecture that is not included in the
  universal binary or to use an architecture that does not match a
  non-universal binary.
+
+.. program:: llvm-cov export
+
+.. _llvm-cov-export:
+
+EXPORT COMMAND
+--------------
+
+SYNOPSIS
+^^^^^^^^
+
+:program:`llvm-cov export` [*options*] -instr-profile *PROFILE* *BIN* [*-object BIN,...*] [[*-object BIN*]]
+
+DESCRIPTION
+^^^^^^^^^^^
+
+The :program:`llvm-cov export` command exports regions, functions, expansions,
+and summaries of the coverage of the binaries *BIN*,... using the profile data
+*PROFILE* as JSON.
+
+For information on compiling programs for coverage and generating profile data,
+see :ref:`llvm-cov-show`.
+
+OPTIONS
+^^^^^^^
+
+.. option:: -arch=<name>
+
+ If the covered binary is a universal binary, select the architecture to use.
+ It is an error to specify an architecture that is not included in the
+ universal binary or to use an architecture that does not match a
+ non-universal binary.
diff --git a/gnu/llvm/docs/CommandGuide/llvm-profdata.rst b/gnu/llvm/docs/CommandGuide/llvm-profdata.rst
index f5508b5b2b8..bae0ff7d4ce 100644
--- a/gnu/llvm/docs/CommandGuide/llvm-profdata.rst
+++ b/gnu/llvm/docs/CommandGuide/llvm-profdata.rst
@@ -106,6 +106,11 @@ OPTIONS
  conjunction with -instr. Defaults to false, since it can inhibit compiler
  optimization during PGO.
 
+.. option:: -num-threads=N, -j=N
+
+ Use N threads to perform profile merging. When N=0, llvm-profdata auto-detects
+ an appropriate number of threads to use. This is the default.
+
 EXAMPLES
 ^^^^^^^^
 Basic Usage