llvm-svn: 141834

The inline asm operand constraint is initially encoded in the virtual
register for the operand, but that register class may change during
coalescing, and the original constraint is lost.

Encode the original register class as part of the flag word for each
inline asm operand.  This makes it possible to recover the actual
constraint required by inline asm, just like we can for normal
instructions.

llvm-svn: 141833

llvm-svn: 141832

llvm-svn: 141831

our current machine instruction defines a register with the same register class
as what's being replaced. This showed up in the SPEC 403.gcc benchmark, where it
would ICE because a tail call was expecting one register class but was given
another. (The machine instruction verifier catches this situation.)
<rdar://problem/10270968>

llvm-svn: 141830

Use a utility from MathExtras to clarify a check and avoid undefined behavior.  Based on patch by Ahmed Charles.

llvm-svn: 141829

The VMAs stored in the symbol table of a MachO file are absolute addresses, not offsets from the section.

llvm-svn: 141828

Use unsigned multiply to hash integers, so we don't end up with undefined behavior for large signed integers.  Based on patch by Ahmed Charles.

llvm-svn: 141827

llvm-svn: 141826

Removed colons from some target datalayout strings in test, since they don't match the required format.

llvm-svn: 141825

llvm-svn: 141824

llvm-svn: 141823

sectionContainsSymbol needs to be based on VMA's rather than section indices to properly account for files with segment load commands that contain no sections.

llvm-svn: 141822

lifetime of ClangExpressionDeclMap.  This allows
ClangExpressionVariables found during parsing to be
queried for their containing namespaces during
expression execution.

Other clients (like ClangFunction) explicitly delete
this state, so they should not result in any memory
leaks.

llvm-svn: 141821

Fix a couple hash functions so that they do not depend on undefined shifts.  Based on patch by Ahmed Charles.

llvm-svn: 141820

The disassembler needs to use the AM5 factory methods instead of just
building up the immediate directly.

llvm-svn: 141819

Fix APFloat::getSmallestNormalized so the shift doesn't depend on undefined behavior.  Patch from Ahmed Charles.

llvm-svn: 141818

llvm-svn: 141817

Fix APFloat::getLargest so that it actually returns the correct value.  Found by accident while reviewing a patch to nearby code.

llvm-svn: 141816

llvm-svn: 141815

for cpp pre-processed assembly we give correct filename and line numbers when
reporting errors in assembly files when using clang and -integrated-as on .s
files. rdar://8998895

llvm-svn: 141814

Disable machine LICM speculation check (for profitability) until I have time to investigate the regressions.

llvm-svn: 141813

rather than the previous index. If a block has a single instruction, the
previous index may be in a different basic block.

I have no clue how this used to work on all of test-suite, because now this
failure is seen quite often when trying to compile code with -strong-phi-elim.
This fixes PR10252.

llvm-svn: 141812

llvm-svn: 141811

llvm-svn: 141810

part of template argument deduction is ill-formed, we mark it as
invalid and treat it as a deduction failure. If we happen to find that
specialization again, treat it as a deduction failure rather than
silently building a call to the declaration.

Fixes PR11117, a marvelous bug where deduction failed after creating
an invalid specialization, causing overload resolution to pick a
different candidate. Then we performed a similar overload resolution
later, and happily picked the invalid specialization to
call... resulting in a silent link failure.

llvm-svn: 141809

calls to the FindExternalVisibleDecls function.

FindExternalVisibleDecls was recording whether
it had found generic function symbols in variables
that were local to the function.  Now, however,
multiple calls occur in response to one request
from Clang, since we may be searching across
namespaces.  To support that, I moved the local
variables into a bitfield in NameSearchContext.

llvm-svn: 141808

llvm-svn: 141807

llvm-svn: 141806

This changes clang to match GCC's behavior for __extension__, which temporarily
disables the -pedantic flag.  Warnings that are enabled without -pedantic
are not affected.  Besides the general goodness of matching GCC's precedent,
my motivation for this is that macros in the arm_neon.h header need to use
__extension__ to avoid pedantic complaints about their use of statement
expressions, yet we still want to warn about incompatible pointer arguments
for those macros.

llvm-svn: 141804

the same behavior of gcc by keeping the attribute out of the function type.

llvm-svn: 141803

Implement built-in macro '__has_warning', which allows one to query if a warning flag is valid.  Fixes <rdar://problem/10263428>.

llvm-svn: 141802

We'd also like for "C++11" or "c++11" to be used for the warning
groups, but without removing the old warning flags. Patches welcome;
I've run out of time to work on this today.

llvm-svn: 141801

llvm-svn: 141800

which contains the lldb init file and a utils.py Python module in order to add
the 'pwd', 'cd', and 'system' lldb commands.

llvm-svn: 141799

llvm-svn: 141798

proper namespace-aware APIs.

llvm-svn: 141797

llvm-svn: 141796

llvm-svn: 141795

llvm-svn: 141794