The underlying function. utohex_buffer, already supports an argument for
deciding if the hex characters should be upper or lower case. Expose an
identical argument for utohexstr.
llvm-svn: 212991
The attempt in r212980 was broken because we might not fail if
LLVM_ON_UNIX is enabled for cross compiling to Windows, and it didn't
consider mingw either.
llvm-svn: 212989
Until now, attempting to create an alias of a required option would
complain if the user supplied the alias, because the required option
didn't have a value. Similarly, if you said the alias was required,
then using the base option would complain that the alias wasn't
supplied. Lastly, if you put required on both, *neither* option would
work.
By changning alias to overload addOccurrence and setting cl::Required
on the original option, we can get this to behave in a more useful
way. I've also added a test and updated a user that was getting this
wrong.
llvm-svn: 212986
corresponding AST context function, only restricted to basic integer
types. Use this to ensure getUIntPtrType() gives types consistent with
getIntPtrType(). Fix NVPTX backend to give signed intptr_t.
llvm-svn: 212982
Determining the bounds of x/ -1 would start off with us dividing it by
INT_MIN. Suffice to say, this would not work very well.
Instead, handle it upfront by checking for -1 and mapping it to the
range: [INT_MIN + 1, INT_MAX. This means that the result of our
division can be any value other than INT_MIN.
llvm-svn: 212981
array prvalue), treat that as a direct binding. Only the class prvalue case
needs to be excluded here; the rest are extensions anyway, so we can treat them
as we would in C++11.
llvm-svn: 212978
Summary:
When calculating the upper bound of X / -8589934592, we would perform
the following calculation: Floor[INT_MAX / 8589934592]
However, flooring the result would make us wrongly come to the
conclusion that 1073741824 was not in the set of possible values.
Instead, use the ceiling of the result.
Reviewers: nicholas
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D4502
llvm-svn: 212976
Just because we can open a directory named "COcoa.framework" doesn't
mean we should provide a "COcoa" module on a case-insensitive filesystem.
llvm-svn: 212975
We don't have a style guide for diagnostic messages, but convention strongly
favours the forms:
'attribute is not supported', 'unsupported attribute'
We generally avoid:
'attribute is unsupported', 'non-supported attribute'
llvm-svn: 212972
This reverts commit r212957. It broke the self-host on code like this
from LLVM's option library:
for (auto Arg: filtered(Id0, Id1, Id2))
llvm-svn: 212965
Use -Winvalid-command-line-argument here to align with existing gcc opt
diagnostics. Meanwhile -Wunused-command-line-argument is for flags that we
support but were, say, fed into the wrong invocation.
Also tweak wording to make sense with -Werror.
llvm-svn: 212964
The cmake files for libc++abi and the unwinder weren't linking against
libpthread or an unwind library. If the tests were linked with
-Wl,--as-needed, these libraries wouldn't be linked, causing them to
fail.
Patch contributed by İsmail Dönmez.
llvm-svn: 212958
Recognize additional cases, when '::' is mistyped as ':'.
This is a fix to RP18587 - colons have too much protection in member-declarations.
Differential Revision: http://reviews.llvm.org/D3653
llvm-svn: 212957
We would emit a libcall for a 64-bit atomic on x86 after SVN r212119. This was
due to the misuse of hasCmpxchg16 to indicate if cmpxchg8b was supported on a
32-bit target. They were added at different times and would result in the
border condition being mishandled.
This fixes the border case to emit the cmpxchg8b instruction for 64-bit atomic
operations on x86 at the cost of restoring a long-standing bug in the codegen.
We emit a cmpxchg8b on all x86 targets even where the CPU does not support this
instruction (pre-Pentium CPUs). Although this bug should be fixed, this was
present prior to SVN r212119 and this change, so this is not really introducing
a regression.
llvm-svn: 212956
Found during windows unwinding work. This header is indirectly included through
a chain leading through Support/Win64EH.h. Explicitly include the header. NFC.
llvm-svn: 212955
An array showing up in an inline assembly input is accepted in ICC and
GCC 4.8
This fixes PR20201.
Differential Revision: http://reviews.llvm.org/D4382
llvm-svn: 212954
The size of the uninitialized sections, like BSS, can exceed the size of
the object file.
Do not attempt to grab the contents of such sections.
llvm-svn: 212953
We construct a temporary "atomicrmw xchg" instruction when lowering atomic
stores for widths that aren't supported natively. This isn't on the top-level
worklist though, so it won't be removed automatically and we have to do it
ourselves once that itself has been lowered.
Thanks Saleem for pointing this out!
llvm-svn: 212948
This patch implements __builtin_arm_nop intrinsic for AArch32 and AArch64,
which generates hint 0x0, the alias of NOP instruction.
This intrinsic is necessary to implement ACLE __nop intrinsic.
Differential Revision: http://reviews.llvm.org/D4495
llvm-svn: 212947
Matt Arsenault