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with notail on x86-64.
On x86-64, the epilogue code inserted before the tail jump blocks the
autoreleased return optimization.
rdar://problem/38675807
Differential Revision: https://reviews.llvm.org/D59656
llvm-svn: 356705
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works only on intrinsics
Differential Revision: https://reviews.llvm.org/D55802
Reviewers: rjmccall
llvm-svn: 349535
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attributes on the call/invoke instructions.
llvm-svn: 175878
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call sites as tail calls unconditionally. While it's theoretically true that
this is just an optimization, it's an optimization that we very much want to
happen even at -O0, or else ARC applications become substantially harder to
debug. See r169796 for the llvm/fast-isel side of things.
rdar://12553082
llvm-svn: 169996
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combination of a load+objc_release; this is generally better
for tools that try to track why values are retained and
released. Also use objc_storeStrong when copying a block
(again, only at -O0), which requires us to do a preliminary
store of null in order to compensate for objc_storeStrong's
assign semantics.
llvm-svn: 166085
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NSNumber, and boolean literals. This includes both Sema and Codegen support.
Included is also support for new Objective-C container subscripting.
My apologies for the large patch. It was very difficult to break apart.
The patch introduces changes to the driver as well to cause clang to link
in additional runtime support when needed to support the new language features.
Docs are forthcoming to document the implementation and behavior of these features.
llvm-svn: 152137
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