Summary: In order to exploit the potential of LLVM's new ItaniumPartialDemangler for indexing in LLDB, we expect conceptual changes in the implementation of the InitNameIndexes function. Here is a unit test that aims at covering all relevant code paths in that function.
Reviewers: labath, jingham, JDevlieghere
Reviewed By: JDevlieghere
Subscribers: friss, teemperor, davide, clayborg, erik.pilkington, lldb-commits, mgorny
Differential Revision: https://reviews.llvm.org/D49909
llvm-svn: 338695
Patch by Konstantin Schwarz!
If both the MemRegion and LMARegion are set for an output section in
a linker script, we should only increase the LMARegion if it is
different from the MemRegion. Otherwise, we reserve the memory twice.
Differential revision: https://reviews.llvm.org/D50065
llvm-svn: 338684
Patch by Konstantin Schwarz!
The condition to create a new phdr must also check the usage of "AT>"
linker script command, and create a new PT_LOAD header if a new LMARegion is used.
This fixes PR38307
Differential revision: https://reviews.llvm.org/D50052
llvm-svn: 338679
Adds some cleaned up debug messages from back when I was writing this.
Hopefully useful to others (and myself) as to why unroll and jam is not
transforming as expected.
Differential Revision: https://reviews.llvm.org/D50062
llvm-svn: 338676
As a part of adding the tiny codemodel, we need to support ldr's with :got:
relocations on them. This seems to be mostly already done, just needs the
relocation type support.
Differential Revision: https://reviews.llvm.org/D50137
llvm-svn: 338673
This method has three callers, each of which wanted distinct handling:
1) Sinking into a loop is moving an instruction known to execute before a loop into the loop. We don't need to worry about introducing a fault at all in this case.
2) Hoisting from a loop into a preheader already duplicated the check in the caller.
3) Sinking from the loop into an exit block was the only true user of the code within the routine. For the moment, this has just been lifted into the caller, but up next is examining the logic more carefully. Whitelisting of loads and calls - while consistent with the previous code - is rather suspicious. Either way, a behavior change is worthy of it's own patch.
llvm-svn: 338671
In expansion of FCOPYSIGN, the shift node is missing when the two
operands of FCOPYSIGN are of the same size. We should always generate
shift node (if the required shift bit is not zero) to put the sign
bit into the right position, regardless of the size of underlying
types.
Differential Revision: https://reviews.llvm.org/D49973
llvm-svn: 338665
Originally, this was part of a larger refactoring I'd planned, but had to abandoned. I figured the minor improvement in readability was worthwhile.
llvm-svn: 338663
Summary:
This patch adds syntax highlighting support to LLDB. When enabled (and lldb is allowed
to use colors), printed source code is annotated with the ANSI color escape sequences.
So far we have only one highlighter which is based on Clang and is responsible for all
languages that are supported by Clang. It essentially just runs the raw lexer over the input
and then surrounds the specific tokens with the configured escape sequences.
Reviewers: zturner, davide
Reviewed By: davide
Subscribers: labath, teemperor, llvm-commits, mgorny, lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D49334
llvm-svn: 338662
Silence the warning
warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result]
JSONExporter is a developer tool, there is no mechanism for error
handling. Print the parser error and abort with a fatal error.
llvm-svn: 338659
Adding the FP_ROUND nodes when combining FP_TO_[SU]INT of elements
feeding a BUILD_VECTOR into an FP_TO_[SU]INT of the built vector
loses precision. This patch removes the code that adds these nodes
to true f64 operands. It also adds patterns required to ensure
the code is still vectorized rather than converting individual
elements and inserting into a vector.
Fixes https://bugs.llvm.org/show_bug.cgi?id=38342
Differential Revision: https://reviews.llvm.org/D50121
llvm-svn: 338658
As Jim pointed out, we don't need to manually create a target
here because we already create a target implicitly in the very
next line (which means we just created a target and don't use it).
This patch just removes the line that creates the first unused target.
llvm-svn: 338657
AArch64 ELF ABI does not define a static relocation type for TLS offset within
a module, which makes it impossible for compiler to generate a valid
DW_AT_location content for thread local variables. Currently LLVM generates an
invalid R_AARCH64_ABS64 relocation at the DW_AT_location field for a TLS
variable. That causes trouble for linker because thread local variable does
not have an absolute address at link time. AArch64 GCC solves the problem by
not generating DW_AT_location for thread local variables. We should do the
same in LLVM.
Differential Revision: https://reviews.llvm.org/D43860
llvm-svn: 338655
Summary:
Mark a variable as maybe-unused to prevent a -Wunused-but-set-variable
warning in optimized builds where asserts are removed.Test/first commit
to check setup and understand patch submission process.
Reviewers: srhines, pirama, dblaikie
Reviewed By: dblaikie
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D49756
llvm-svn: 338654
(Previously reverted in r338442)
I'm told that the breakage came from us using an x86 triple on configs
that didn't have x86 enabled. This is remedied by moving the
debugcounter test to an x86 directory (where there's also a
opt-bisect-isel.ll test for similar reasons).
I can't repro the reverse-iteration failure mentioned in the revert with
this patch, so I assume that a misconfiguration on my end is what caused
that.
Original commit message:
Add DebugCounters to DivRemPairs
For people who don't use DebugCounters, NFCI.
Patch by Zhizhou Yang!
Differential Revision: https://reviews.llvm.org/D50033
llvm-svn: 338653
The callable flag can be used to indicate that a symbol is callable. If present,
the symbol is callable. If absent, the symbol may or may not be callable (the
client must determine this by context, for example by examining the program
representation that will provide the symbol definition).
This flag will be used in the near future to enable creation of lazy compilation
stubs based on SymbolFlagsMap instances only (without having to provide
additional information to determine which symbols need stubs).
llvm-svn: 338649
Summary:
This check was introduced by r338641
but this broke some builds. For now remove it.
Subscribers: cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D50163
llvm-svn: 338648
The domain generation used nullptr to mark the domain of an error block
as never-executed. Later, nullptr domains are recreated with a
zero-tuple domain that then mismatches with the expected domain the
error block within the loop.
Instead of using nullptr, assign an empty domain which preserves the
expected space. Remove empty domains during SCoP simplification.
Fixes llvm.org/PR38218.
llvm-svn: 338646
Summary:
When I added the Stream unit test (r338488), the build bots failed due to an out-of-
bound reads when passing an empty string to the PutCStringAsRawHex8 method.
In r338491 I removed the test case to fix the bots.
This patch fixes this in PutCStringAsRawHex8 by always checking for the terminating
null character in the given string (instead of skipping it the first time). It also re-adds the
test case I removed.
Reviewers: vsk
Reviewed By: vsk
Subscribers: vsk, lldb-commits
Differential Revision: https://reviews.llvm.org/D50149
llvm-svn: 338637
Eric Liu