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(parent: 24fd6c8) | patch
If the first argument of __builtin_object_size can be folded to a constant
authorRichard Smith <richard-llvm@metafoo.co.uk>
Wed, 23 May 2012 04:13:20 +0000 (04:13 +0000)
committerRichard Smith <richard-llvm@metafoo.co.uk>
Wed, 23 May 2012 04:13:20 +0000 (04:13 +0000)
commitc6794850a570a91c5f224b6f0293db9f560f4213
tree3ac9924d8148451e27d3e3a2a74d515b8d7d4056tree | snapshot
parent24fd6c8470f872ac95ce67d43f86129223c90bd3commit | diff
If the first argument of __builtin_object_size can be folded to a constant
pointer, but such folding encounters side-effects, ignore the side-effects
rather than performing them at runtime: CodeGen generates wrong code for
__builtin_object_size in that case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157310 91177308-0d34-0410-b5e6-96231b3b80d8
lib/AST/ExprConstant.cpp diff | blob | history
lib/CodeGen/CGBuiltin.cpp diff | blob | history
test/CodeGen/object-size.c diff | blob | history
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