Previously, in certain cases lax vector conversions could occur between scalar floating-point values and ExtVector types; these conversions would be simple bitcasts. We need to allow them with other vector types to support some common headers, but we don't need them for ExtVector. Preventing them here makes them behave like other operations involving scalars and ExtVectors.
llvm-svn: 247643
There is no __cxa_finalize symbol available on recent Solaris OS
versions, so we need this flag to make non trivial C++ programs run.
Also stop looking for cxa_finalize.o, since it won't be there.
Patch by Xan López!
llvm-svn: 247634
WebAssembly's spec has now been updated to specify some guarantees
about lock free atomic accesses. Update clang to match.
This also updates sig_atomic_t to be 64-bit on wasm64. WebAssembly
does not presently have asynchronous interrupts, but this change is
within the spirit of how they will work if they are added.
Differential Revision: http://reviews.llvm.org/D12862
llvm-svn: 247624
This makes int_fast64_t and int_least64_t the same type as int64_t, and
eliminates a difference between wasm32 and wasm64.
Differential Revision: http://reviews.llvm.org/D12861
llvm-svn: 247622
MS compiler ignores calling convention modifiers for structors. This patch makes
clang do the same (for MS ABI). This fixes PR24595 and makes vswriter.h header
(from Windows SDK 8.1) compilable.
Differential Revision: http://reviews.llvm.org/D12402
llvm-svn: 247619
Update the static analyzer buildbot script to set -isysroot to the OS X SDK path
when analyzing preprocessed files on OS X.
Differential Revision: http://reviews.llvm.org/D12769
llvm-svn: 247617
This is actually needed, otherwise libc won't be added at all. For
instance when building libclang.so all the libc symbols won't be
found, with ld warning about libc being an "implicit dependency".
Patch by Xan López!
llvm-svn: 247603
These are a few cleanups I happened to have from trying to go in a
different direction recently, so just flushing them out while I have
them.
llvm-svn: 247593
This was the wrong direction to take anyway (because ultimately the
GlobalValue needed the pointee type again and /it/ used
PointerType::getElementType eventually anyway)... let's go a different way.
This reverts commit r236161.
llvm-svn: 247586
Current implementation may end up emitting an undefined reference for
an "inline __attribute__((always_inline))" function by generating an
"available_externally alwaysinline" IR function for it and then failing to
inline all the calls. This happens when a call to such function is in dead
code. As the inliner is an SCC pass, it does not process dead code.
Libc++ relies on the compiler never emitting such undefined reference.
With this patch, we emit a pair of
1. internal alwaysinline definition (called F.alwaysinline)
2a. A stub F() { musttail call F.alwaysinline }
-- or, depending on the linkage --
2b. A declaration of F.
The frontend ensures that F.inlinefunction is only used for direct
calls, and the stub is used for everything else (taking the address of
the function, really). Declaration (2b) is emitted in the case when
"inline" is meant for inlining only (like __gnu_inline__ and some
other cases).
This approach, among other nice properties, ensures that alwaysinline
functions are always internal, making it impossible for a direct call
to such function to produce an undefined symbol reference.
This patch is based on ideas by Chandler Carruth and Richard Smith.
llvm-svn: 247494
it's not sufficient to prefer the declaration with more default arguments, or
the one that's visible; they might both be visible, but one of them might have
a visible default argument where the other has a hidden default argument.
llvm-svn: 247486
When building with LTO the bootstrap builds need to depend on libLTO, llvm-ar, and llvm-ranlib, which all need to be passed into the bootstrap build. This functionality only works on Darwin.
llvm-svn: 247467
- Eliminate 'No such file or directory at scan-build line ...' error if '$RealBin/bin/clang' or '$RealBin/clang' directory does not exist.
- Eliminate 'Use of uninitialized value $Clang in concatenation (.) or string at scan-build line ...' error if help is displayed while $Clang was not found.
llvm-svn: 247466
Current implementation may end up emitting an undefined reference for
an "inline __attribute__((always_inline))" function by generating an
"available_externally alwaysinline" IR function for it and then failing to
inline all the calls. This happens when a call to such function is in dead
code. As the inliner is an SCC pass, it does not process dead code.
Libc++ relies on the compiler never emitting such undefined reference.
With this patch, we emit a pair of
1. internal alwaysinline definition (called F.alwaysinline)
2a. A stub F() { musttail call F.alwaysinline }
-- or, depending on the linkage --
2b. A declaration of F.
The frontend ensures that F.inlinefunction is only used for direct
calls, and the stub is used for everything else (taking the address of
the function, really). Declaration (2b) is emitted in the case when
"inline" is meant for inlining only (like __gnu_inline__ and some
other cases).
This approach, among other nice properties, ensures that alwaysinline
functions are always internal, making it impossible for a direct call
to such function to produce an undefined symbol reference.
This patch is based on ideas by Chandler Carruth and Richard Smith.
llvm-svn: 247465
We used to only select an inheritance model if the pointer to member was
nullptr. Instead, select a model regardless of the member pointer's
value.
N.B. This bug was exposed by making member pointers report true for
isIncompleteType but has been latent since the member pointer scheme's
inception.
llvm-svn: 247464
Add an option (-analyzer-config min-blocks-for-inline-large=14) to control the function
size the inliner considers as large, in relation to "max-times-inline-large". The option
defaults to the original hard coded behaviour, which I believe should be adjustable with
the other inlining settings.
The analyzer-config test has been modified so that the analyzer will reach the
getMinBlocksForInlineLarge() method and store the result in the ConfigTable, to ensure it
is dumped by the debug checker.
A patch by Sean Eveson!
Differential Revision: http://reviews.llvm.org/D12406
llvm-svn: 247463
Stephen Canon