MBB slot index intervals are half open, not closed. getMBBEndIndex()
returns the slot index of the start of the next block in layout order.
Placing a register mask there is incorrect if the successor of the
funclet return is not laid out after the return. Clang generates IR for
catch bodies before generating the following normal code, so we never
noticed this issue until the D frontend authors filed a bug about it.
Instead, we can put the clobber mask on the last instruction of the
funclet return block. We still aren't using a register mask operand on
the CATCHRET instruction because it would cause PEI to spill all CSRs,
including XMM regs, in the prologue.
Fixes PR26679.
llvm-svn: 262035
Regarding the comment, it is out of context because it describes
what it does not do there. It got too long because it was originally
two different comments that were simply merged together.
The semantics is described in fixAbsoluteSymbols, so we don't need it.
llvm-svn: 262031
The functions buildAccessMultiDimFixed and buildAccessMultiDimParam were
refactored from buildMemoryAccess. In their own functions, the control
flow can be shortcut and simplified using returns.
Suggested-by: etherzhhb
llvm-svn: 262029
Summary:
The printf/scanf format checker is a little over-zealous in handling the conditional operator. This patch reduces work by not checking code-paths that are never used and reduces false positives regarding uncovered arguments, for example in the code fragment:
printf(minimal ? "%i\n" : "%i: %s\n", code, msg);
Reviewers: rtrieu
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D15636
llvm-svn: 262025
The software breakpoint definitions for mips32 should have been included in my
recent patch that moved the software breakpoint definitions into the base platform
class.
llvm-svn: 262021
BSD linker scripts contain special cases to add NOP
padding to code sections. Syntax is next:
.init:
{
KEEP (*(.init))
} =0x90909090
(0x90 is NOP)
This patch implements that functionality.
llvm-svn: 262020
https://docs.oracle.com/cd/E53394_01/html/E54766/u-etext-3c.html
It is said that:
_etext - The address of _etext is the first
location after the last read-only loadable segment.
_edata - The address of _edata is the first
location after the last read-write loadable segment.
_end - If the address of _edata is greater than the address
of _etext, the address of _end is same as the address of _edata.
In real life _end and _edata has different values for that case.
Both gold/bfd set _edata to the end of the last non SHT_NOBITS section.
This patch do the same for consistency.
It should fix the https://llvm.org/bugs/show_bug.cgi?id=26729.
Differential revision: http://reviews.llvm.org/D17601
llvm-svn: 262019
For shared libraries we allow any weak undefined symbol to eventually be
resolved, even if we never see a definition in another .so. This matches
the behavior when handling other undefined symbols in a shared library.
For executables, we require seeing a definition in a .so or resolve it
to zero. This is also similar to how non weak symbols are handled.
llvm-svn: 262017
The purpose of these plugins is to make LLDB capable of debugging java
code JIT-ed by the android runtime.
Differential revision: http://reviews.llvm.org/D17616
llvm-svn: 262015
Additionally fix the type of some dwarf expression where we had a
confusion between scalar and load address types after a dereference.
Differential revision: http://reviews.llvm.org/D17604
llvm-svn: 262014
Patch by Nitesh Jain.
Summary: The debug version of libc.so is require for backtracing which may not be available on all platforms.
Reviewers: ovyalov, clayborg
Subscribers: zturner, lldb-commits, mohit.bhakkad, sagar, bhushan, jaydeep
Differential: http://reviews.llvm.org/D17131
llvm-svn: 262011
This allows to construct run-time checks for a scop without having to generate
a full AST. This is currently not taken advantage of in Polly itself, but
external users may benefit from this feature.
llvm-svn: 262009
classes changed whether the decltype of these expressions was
a reference. I'm somewhat horrified why, and there may need to be
a deeper fix on MSVC, but this should at least get the bots a step
further.
llvm-svn: 262008
analyses in the new pass manager.
These just handle really basic stuff: turning a type name into a string
statically that is nice to print in logs, and getting a static unique ID
for each analysis.
Sadly, the format of passes in anonymous namespaces makes using their
names in tests really annoying so I've customized the names of the no-op
passes to keep tests sane to read.
This is the first of a few simplifying refactorings for the new pass
manager that should reduce boilerplate and confusion.
llvm-svn: 262004
This commit updates to the latest isl development version. There is no specific
feature we need on the Polly side, but we want to ensure test coverage for the
latest isl changes.
llvm-svn: 262001
Add parsing and printing of image operands. Matches legacy sp3 assembler.
Change image instruction order to have data/image/sampler operands in the beginning. This is needed because optional operands in MC are always last.
Update SITargetLowering for new order.
Add basic MC test.
Update CodeGen tests.
Review: http://reviews.llvm.org/D17574
llvm-svn: 261995
Summary:
The clang-tidy will trigger an assertion if it's not in the building directory.
TEST:
cd <llvm-repo>/
./build/bin/clang-tidy --checks=-*,modernize-use-nullptr -p build tools/clang/tools/extra/clang-tidy/ClangTidy.cpp
The crash issue is gone after applying this patch.
Fixes PR24834, PR26241
Reviewers: bkramer, alexfh
Subscribers: rizsotto.mailinglist, cfe-commits
Differential Revision: http://reviews.llvm.org/D17335
llvm-svn: 261991
Instead of the convoluted if-statment we can just use getColor. This also fixes
a bug where we relied upon the parity of tablegen-generated register indexes
(instead of using the machine encoding).
llvm-svn: 261990
These diagnostics aren't perfect - in the case of merging several dwos
into dwps and those dwps into more dwps - just getting the message about
the original source file name might not be much help (since it's the
same in both dwos, by definition - but doesn't tell you which chain of
dwps to backtrack)
It might be worth adding the DW_AT_dwo_id to the split debug info to
improve the diagnostic experience - might help track down the duplicates
better.
llvm-svn: 261988
Though a bit odd, this is handy for a few reasons - for example, in a
build system that wants consistent input/output of build steps, but
where split-dwarf might be overriden/disabled by the user on a per-file
basis.
llvm-svn: 261987
This test expects pthread_mutex_init in the frame #0 of thread T1 but we
get memset at frame #0 because memset that is called from pthread_init_mutex
is being intercepted by TSan
llvm-svn: 261986
Currently aligned is what is being used so remove the redundant patterns for the unaligned versions. But don't do this for the byte and word vector types since they don't have aligned versions.
llvm-svn: 261985
Reid Kleckner