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2011-01-27Allow #pragma unused to be used on global variables like gcc. Fixes ↵Argyrios Kyrtzidis
rdar://8793832. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124383 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-24Move the "used but marked unused" warning behind a special warning flag for now.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22Warn if a variable marked with the "unused" attribute is used. Patch by ↵Anders Carlsson
Darin Adler! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117184 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-15Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'.Daniel Dunbar
- This is designed to make it obvious that %clang_cc1 is a "test variable" which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it can be useful to redefine what gets run as 'clang -cc1' (for example, to set a default target). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91446 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03Per advice that Doug Gregor gave me several months ago, clean up theTed Kremenek
implementation of '#pragma unused' by not constructing intermediate DeclRefExprs, but instead do the name lookup directly. The implementation is greatly simplified. Along the way, degrade '#pragma unused(undeclaredvariable)' to a warning instead of being a hard error. This implements: <rdar://problem/6761874> [sema] allow #pragma unused to reference undefined variable (with warning) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78019 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-24Rename clang to clang-cc.Daniel Dunbar
Tests and drivers updated, still need to shuffle dirs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67602 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-23Implement '#pragma unused'.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67569 91177308-0d34-0410-b5e6-96231b3b80d8