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authorJohn McCall <rjmccall@apple.com>2011-07-06 00:26:06 +0000
committerJohn McCall <rjmccall@apple.com>2011-07-06 00:26:06 +0000
commit9f084a3166b684573ba49df28fc5792bc37d92e1 (patch)
treed2976a87e54f0ef1014c769e44f86ab27212176f /include/clang/Frontend/CodeGenOptions.h
parent9670e179a67d868e171feac44fb8f9e2f108c5e8 (diff)
Change the driver's logic about Objective-C runtimes: abstract out a
structure to hold inferred information, then propagate each invididual bit down to -cc1. Separate the bits of "supports weak" and "has a native ARC runtime"; make the latter a CodeGenOption. The tool chain is still driving this decision, because it's the place that has the required deployment target information on Darwin, but at least it's better-factored now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134453 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/clang/Frontend/CodeGenOptions.h')
-rw-r--r--include/clang/Frontend/CodeGenOptions.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/clang/Frontend/CodeGenOptions.h b/include/clang/Frontend/CodeGenOptions.h
index 2191980b95..d415d0a889 100644
--- a/include/clang/Frontend/CodeGenOptions.h
+++ b/include/clang/Frontend/CodeGenOptions.h
@@ -76,6 +76,7 @@ public:
unsigned NoNaNsFPMath : 1; /// Assume FP arguments, results not NaN.
unsigned NoZeroInitializedInBSS : 1; /// -fno-zero-initialized-in-bss
unsigned ObjCDispatchMethod : 2; /// Method of Objective-C dispatch to use.
+ unsigned ObjCRuntimeHasARC : 1; /// The target runtime supports ARC natively
unsigned OmitLeafFramePointer : 1; /// Set when -momit-leaf-frame-pointer is
/// enabled.
unsigned OptimizationLevel : 3; /// The -O[0-4] option specified.