This change has three major advantages:
- The ScopInfo becomes smaller.
- It allows to use the SCEVAffinator from outside the ScopInfo.
- A member object allows state which in turn allows e.g., caching.
Differential Revision: http://reviews.llvm.org/D9099
llvm-svn: 244730
This abstracts away the test for "when can we fold across a MachineInstruction"
into the the MI interface, and changes call-frame optimization use the same test
the peephole optimizer users.
Differential Revision: http://reviews.llvm.org/D11945
llvm-svn: 244729
In order to find the llvm-obj directory it has to be (or a soft link
to it) at one of the following locations:
${POLLY_SRC_DIR}/build
${POLLY_SRC_DIR}.build
${POLLY_SRC_DIR}-build
s/${POLLY_SRC_DIR}/src/build
Alternatively, the environment variable $POLLY_BIN_DIR can point to it.
llvm-svn: 244727
As discussed in D11886, this patch moves the SSE/AVX vector blend folding to instcombiner from PerformINTRINSIC_WO_CHAINCombine (which allows us to remove this completely).
InstCombiner already had partial support for this, I just had to add support for zero (ConstantAggregateZero) masks and also the case where both selection inputs were the same (allowing us to ignore the mask).
I also moved all the relevant combine tests into InstCombine/blend_x86.ll
Differential Revision: http://reviews.llvm.org/D11934
llvm-svn: 244723
Before we only modeled PHI nodes if at least one incoming basic block was itself
part of the region, now we always model them except if all of their operands are
part of a single non-affine subregion which we model as a black-box.
This change only affects PHI nodes in the entry block, that have exactly one
incoming edge. Before this change, we did not model them and as a result code
generation would not know how to code generate them. With this change, code
generation can code generate them like any other PHI node.
This issue was exposed by r244606. Before this change simplifyRegion would have
moved these PHI nodes out of the SCoP, so we would never have tried to code
generate them. We could implement this behavior again, but changing the IR
after the scop has been modeled and transformed always adds a risk of us
invalidating earlier analysis results. It seems more save and overall also more
consistent to just model and handle this one-entry-edge PHI nodes like any
other PHI node in the scop.
Solution proposed by: Michael Kruse <llvm@meinersbur.de>
llvm-svn: 244721
This one was extracted from the test-suite's pifft and caused a
miscompilation because a scalar was not written to its alloca address.
llvm-svn: 244720
major, minor, and patchlevel in the qHostInfo reply.
Document that qHostInfo may report major/minor/patch
separately / in addition to the version: combination.
<rdar://problem/22125465>
llvm-svn: 244716
All of the other docblocks for the CXCursor_* cursor kind enum values
include documentation that ends with a period. Add a period to the end
of the CXCursor_TypedefDecl documentation to follow this convention.
Patch by Brian Gesiak!
llvm-svn: 244715
The same value is used multiple times through the function. Hoist the condition
into a variable. This should fix a silly static analysis warning where the
conditions flip around. No functional change intended.
llvm-svn: 244713
Summary: New implementation for dtor sanitizer callback poisons only class members, and emits poisoning callback before base dtor invoked.
Reviewers: eugenis, kcc
Differential Revision: http://reviews.llvm.org/D11952
Explicit dtor invocation
llvm-svn: 244709
This commit transforms the mips-specific 'MipsCallEntry' subclass of the
'PseudoSourceValue' class into two, target-independent subclasses named
'GlobalValuePseudoSourceValue' and 'ExternalSymbolPseudoSourceValue'.
This change makes it easier to serialize the pseudo source values by removing
target-specific pseudo source values.
Reviewers: Akira Hatanaka
llvm-svn: 244698
This commit removes the global manager variable which is responsible for
storing and allocating pseudo source values and instead it introduces a new
manager class named 'PseudoSourceValueManager'. Machine functions now own an
instance of the pseudo source value manager class.
This commit also modifies the 'get...' methods in the 'MachinePointerInfo'
class to construct pseudo source values using the instance of the pseudo
source value manager object from the machine function.
This commit updates calls to the 'get...' methods from the 'MachinePointerInfo'
class in a lot of different files because those calls now need to pass in a
reference to a machine function to those methods.
This change will make it easier to serialize pseudo source values as it will
enable me to transform the mips specific MipsCallEntry PseudoSourceValue
subclass into two target independent subclasses.
Reviewers: Akira Hatanaka
llvm-svn: 244693
Sections must start at page boundaries in memory, but they
can be aligned to sector boundaries (512-bytes) on disk.
We aligned them to 4096-byte boundaries even on disk, so we
wasted disk space a bit.
llvm-svn: 244691
This is more preparation for multiple different kinds of types from different compilers (clang, Pascal, Go, RenderScript, Swift, etc).
llvm-svn: 244689
This commit introduces a new enumerator named 'PSVKind' in the
'PseudoSourceValue' class. This enumerator is now used to distinguish between
the various kinds of pseudo source values.
This change is done in preparation for the changes to the pseudo source value
object management and to the PseudoSourceValue's class hierarchy - the next two
PseudoSourceValue commits will get rid of the global variable that manages the
pseudo source values and the mips specific MipsCallEntry subclass.
Reviewers: Akira Hatanaka
llvm-svn: 244687
This commit updates the documentation comments in PseudoSourceValue.cpp and
PseudoSourceValue.h based on the LLVM's documentation style. It also fixes
several instances of variable names that started with a lowercase letter.
This change is done in preparation for the changes to the pseudo source value
object management and to the PseudoSourceValue's class hierarchy.
llvm-svn: 244686
This commit reformats the files lib/CodeGen/PseudoSourceValue.cpp and
include/llvm/CodeGen/PseudoSourceValue.h using clang-format. This change is
done in preparation for the changes to the pseudo source value object
management and to the PseudoSourceValue's class hierarchy.
llvm-svn: 244685
For NVPTX, try to use 32-bit division instead of 64-bit division when the dividend and divisor
fit in 32 bits. This speeds up some internal benchmarks significantly. The underlying reason
is that many index computations are carried out in 64-bits but never actually exceed the
capacity of a 32-bit word.
llvm-svn: 244684
The issue was we were sending a "qSymbol::" packet and it we were already disconnected were weren't exiting the while loop if we didn't successfully send the qSymbol packet.
<rdar://problem/22098746>
llvm-svn: 244683
emit lexical contents for a declaration for another module. Track which module
those contents came from, and ensure that we only grab the lexical contents
from a single such instantiation.
llvm-svn: 244682
A global variable "Driver" is to re-entry to the driver to parse a
.drectve section. Because the need is COFF-specific, we don't need
this variable for ELF.
llvm-svn: 244680
Johannes Doerfert