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Lit: Allow overriding llvm tool paths+arguments, make -D an alias for --param

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These changes allow usages where you want to pass an additional
commandline option to all invocations of a specific llvm tool. Example:

> llvm-lit -Dllc=llc -enable-misched -verify-machineinstrs

Differential Revision: http://reviews.llvm.org/D9487

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236461 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun 2015-05-04 21:36:36 +00:00
parent 9cf57f7a88
commit cccd128a8a
3 changed files with 8 additions and 4 deletions
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2
docs/CommandGuide/lit.rst
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@ -56,7 +56,7 @@ GENERAL OPTIONS
Search for :file:`{NAME}.cfg` and :file:`{NAME}.site.cfg` when searching for
test suites, instead of :file:`lit.cfg` and :file:`lit.site.cfg`.
.. option:: --param NAME, --param NAME=VALUE
.. option:: -D NAME, -D NAME=VALUE, --param NAME, --param NAME=VALUE
Add a user defined parameter ``NAME`` with the given ``VALUE`` (or the empty
string if not given). The meaning and use of these parameters is test suite

8
test/lit.cfg
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@ -267,8 +267,12 @@ for pattern in [r"\bbugpoint\b(?!-)",
pattern)
tool_pipe = tool_match.group(2)
tool_name = tool_match.group(4)
tool_path = lit.util.which(tool_name, llvm_tools_dir)
if not tool_path:
# Did the user specify the tool path + arguments? This allows things like
# llvm-lit "-Dllc=llc -enable-misched -verify-machineinstrs"
tool_path = lit_config.params.get(tool_name)
if tool_path is None:
tool_path = lit.util.which(tool_name, llvm_tools_dir)
if tool_path is None:
# Warn, but still provide a substitution.
lit_config.note('Did not find ' + tool_name + ' in ' + llvm_tools_dir)
tool_path = llvm_tools_dir + '/' + tool_name

2
utils/lit/lit/main.py
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@ -146,7 +146,7 @@ def main(builtinParameters = {}):
parser.add_option("", "--config-prefix", dest="configPrefix",
metavar="NAME", help="Prefix for 'lit' config files",
action="store", default=None)
parser.add_option("", "--param", dest="userParameters",
parser.add_option("-D", "--param", dest="userParameters",
metavar="NAME=VAL",
help="Add 'NAME' = 'VAL' to the user defined parameters",
type=str, action="append", default=[])