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3 Commits

Author SHA1 Message Date
Nick Lewycky 4506204640 Emit the exact size for the invariant intrinsics. 
llvm-svn: 151010
 2012-02-21 00:26:58 +00:00
Richard Smith 132bea96ad Don't emit optimization-specific intrinsic at -O0. 
llvm-svn: 150838
 2012-02-17 20:12:52 +00:00
Richard Smith 08a5144621 The clang half of r150794: after the construction of a global or static const 
variable ends, if the variable has a trivial destructor and no mutable
subobjects then emit an llvm.invariant.start call for it. globalopt knows to
make the variable const when evaluating this.

llvm-svn: 150798
 2012-02-17 07:31:37 +00:00