diff options
| -rw-r--r-- | llvm/utils/FileCheck/FileCheck.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/utils/FileCheck/FileCheck.cpp b/llvm/utils/FileCheck/FileCheck.cpp index 58001b73ab6..f2255948658 100644 --- a/llvm/utils/FileCheck/FileCheck.cpp +++ b/llvm/utils/FileCheck/FileCheck.cpp @@ -148,8 +148,16 @@ bool Pattern::ParsePattern(StringRef PatternStr, SourceMgr &SM) { return true; } + // Enclose {{}} patterns in parens just like [[]] even though we're not + // capturing the result for any purpose. This is required in case the + // expression contains an alternation like: CHECK: abc{{x|z}}def. We + // want this to turn into: "abc(x|z)def" not "abcx|zdef". + RegExStr += '('; + ++CurParen; + if (AddRegExToRegEx(PatternStr.substr(2, End-2), CurParen, SM)) return true; + RegExStr += ')'; PatternStr = PatternStr.substr(End+2); continue; |
