I want to export this function, and the current API was a bit
weird: It took an additional Alignment argument that didn't really
have anything to do with what the function does. Drop it, and
perform a max at the callsite.
Also rename it to tryEnforceAlignment().
Currently SCEVExpander creates inttoptr for non-integral pointers if the
base is a null constant for example. This results in invalid IR.
This patch changes InsertNoopCastOfTo to emit a GEP & bitcast to convert
to a non-integral pointer. First, a GEP of i8* null is generated and the
integral value is used as index. The GEP is then bitcasted to the target
type.
This was exposed by D71539.
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D87827
The output here may not be optimal (yet), but it should be
consistent for commuted operands (it was not before) and
correct. We can do better by checking FMF and NaN if needed.
Code in InstSimplify generally assumes that we have already
folded code like this, so it was not handling 2 constant
inputs by commuting consistently.
Currently newer clang-format options cannot be included in .clang-format files, if not all users can be forced to use an updated version.
This patch tries to solve this by adding an option to clang-format, enabling to ignore unknown (newer) options.
Differential Revision: https://reviews.llvm.org/D86137
We were breaking out of the switch which falls into the default
implementation of SimplifyDemandedBitsForTargetNode which is a
wrapper around computeKnownBits. So we end up doing the recursion
and known bits calculation all over again. Instead we should return
with the known bits we calculated in the switch.
When address sanitizing a function, stack unpinsoning code is inserted before each ret instruction. However if the ret instruciton is preceded by a musttail call, such transformation broke the musttail call contract and generates invalid IR.
This patch fixes the issue by moving the insertion point prior to the musttail call if there is one.
Differential Revision: https://reviews.llvm.org/D87777
The IRInstructionData structs are a different representation of the
program. This list treats the program as if it was "flattened" and
the only parent is this list. This lets us easily create ranges of
instructions.
Differential Revision: https://reviews.llvm.org/D86969
9b6765e784b3 was reverted in 549e55b3d5634.
This reverts commit 442801a7b9b5460114498c48c12b8af40e495188.
This reverts commit 929d91a55616d4fcf4754044b063644807b87fbe.
This reverts commit 7c2d83347f4ea146af1aca72fe289294aaf212be.
This diff adds llvm-bitcode-strip driver to llvm-objcopy.
In the future this will enable us to build a replacement for the tool bitcode_strip.
Test plan: make check-all
Differential revision: https://reviews.llvm.org/D87212
The code which validates the value of -id is moved into the function parseInstallNameToolOptions.
Test plan: make check-all
Differential revision: https://reviews.llvm.org/D87855
This patch implements the vec_gen[b|h|w|d|q]m function prototypes in altivec.h
in order to utilize the move to VSR with mask instructions introduced in Power10.
Differential Revision: https://reviews.llvm.org/D82725
If the mask of a pdep or pext instruction is a shift masked (i.e. one contiguous block of ones) we need at most one and and one shift to represent the operation without the intrinsic. One all platforms I know of, this is faster than the pdep/pext.
The cost modelling for multiple contiguous blocks might be worth exploring in a follow up, but it's not relevant for my current use case. It would almost certainly be a win on AMDs where these are really really slow though.
Differential Revision: https://reviews.llvm.org/D87861
This changes the order of output sections and the output assembly, but
is otherwise NFC.
It simplifies the TLOF interface by removing two COFF-only methods.
Currently, -object takes a comma separated list of objects as an
argument, which prevents it working with path names that contain a
comma. Drop comma-separated support, which requires to set pass the
-object flag multiple times to set multiple objects.
Patch by Andrew Gallagher!
Differential Revision: https://reviews.llvm.org/D87003
