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Refactor llvm/test/lit.cfg to use lit.util.which.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204486 91177308-0d34-0410-b5e6-96231b3b80d8
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test/lit.cfg
47
test/lit.cfg
@ -202,20 +202,17 @@ config.substitutions.append( ('%exeext', config.llvm_exe_ext) )
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# tools that might happen to be in the user's PATH. Thus this list
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# includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
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# (llvm_tools_dir in lit parlance).
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# Don't match 'bugpoint-' or 'clang-'.
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# Don't match '/clang' or '-clang'.
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if os.pathsep == ';':
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pathext = os.environ.get('PATHEXT', '').split(';')
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else:
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pathext = ['']
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# Regex to reject matching a hyphen
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NOHYPHEN = r"(?<!-)"
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# Avoid matching RUN line fragments that are actually part of
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# path names or options or whatever.
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# The regex is a pre-assertion to avoid matching a preceding
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# dot, hyphen, carat, or slash (.foo, -foo, etc.). Some patterns
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# also have a post-assertion to not match a trailing hyphen (foo-).
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NOJUNK = r"(?<!\.|-|\^|/)"
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for pattern in [r"\bbugpoint\b(?!-)",
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r"(?<!/|-)\bclang\b(?!-)",
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r"\bgold\b",
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# Match llc but not -llc
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NOHYPHEN + r"\bllc\b",
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NOJUNK + r"\bclang\b(?!-)",
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NOJUNK + r"\bllc\b",
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r"\blli\b",
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r"\bllvm-PerfectShuffle\b",
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r"\bllvm-ar\b",
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@ -227,7 +224,6 @@ for pattern in [r"\bbugpoint\b(?!-)",
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r"\bllvm-dis\b",
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r"\bllvm-dwarfdump\b",
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r"\bllvm-extract\b",
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r"\bllvm-jistlistener\b",
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r"\bllvm-link\b",
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r"\bllvm-lto\b",
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r"\bllvm-mc\b",
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@ -238,17 +234,11 @@ for pattern in [r"\bbugpoint\b(?!-)",
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r"\bllvm-ranlib\b",
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r"\bllvm-readobj\b",
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r"\bllvm-rtdyld\b",
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r"\bllvm-shlib\b",
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r"\bllvm-size\b",
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r"\bllvm-tblgen\b",
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r"\bllvm-c-test\b",
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# Match llvmc but not -llvmc
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NOHYPHEN + r"\bllvmc\b",
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# Match lto but not -lto
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NOHYPHEN + r"\blto\b",
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r"\bmacho-dump\b",
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# Don't match '.opt', '-opt', '^opt' or '/opt'.
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r"(?<!\.|-|\^|/)\bopt\b",
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NOJUNK + r"\bopt\b",
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r"\bFileCheck\b",
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r"\bFileUpdate\b",
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r"\bc-index-test\b",
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@ -263,15 +253,16 @@ for pattern in [r"\bbugpoint\b(?!-)",
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# name being surrounded by \b word match operators. If the
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# pattern starts with "| ", include it in the string to be
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# substituted.
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substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
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r"\2" + llvm_tools_dir + "/" + r"\4",
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tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
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pattern)
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for ext in pathext:
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substitution_ext = substitution + ext
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if os.path.exists(substitution_ext):
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substitution = substitution_ext
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break
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config.substitutions.append((pattern, substitution))
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tool_pipe = tool_match.group(2)
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tool_name = tool_match.group(4)
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tool_path = lit.util.which(tool_name, llvm_tools_dir)
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if not tool_path:
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# Warn, but still provide a substitution.
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lit_config.note('Did not find ' + tool_name + ' in ' + llvm_tools_dir)
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tool_path = llvm_tools_dir + '/' + tool_name
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config.substitutions.append((pattern, tool_pipe + tool_path))
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### Features
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