This reverts commit b8ae323c.

Let's try `REQUIRES: asserts`.

Separate vector isel functions to the module they belong to. Keep scalar
stuff and calls into vector isel in the VEISelLowering.

accumulated preprocessed size:
before: 1065515095
after: 1065629059

Discourse thread: https://discourse.llvm.org/t/include-what-you-use-include-cleanup
Differential Revision: https://reviews.llvm.org/D120195

clang-cl doesn't support -target <target>, instead it only supports
--target=<target> so building a RUNTIME configuration for clang-cl
ended up in never building builtins. Which in turn lead to clang-cl
not being able to find the runtime libraries because we depend
on the compiler_rt.builtins.lib being in the runtime dir for the
Driver to add it as a candidate.

I don't think this should have any downsides since most the code
these days are using --target=<target> instead of the old syntax.

Reviewed By: mstorsjo

Differential Revision: https://reviews.llvm.org/D120308

We have some recognition of SSAT and USAT from SELECT_CC at the moment.
This extends the matching to SMIN/SMAX which can help catch more cases,
either from min/max being the canonical form in instcombine or from some
expanded nodes like fp_to_si_sat.

Differential Revision: https://reviews.llvm.org/D119819

This one-use limitation is artificial, we do not increase
instruction count if we perform the fold with multiple uses. The
motivating case is shown in @sub_eq_zero_select, where the one-use
limitation causes us to miss a subsequent select fold.

I believe the backend is pretty good about reusing flag-producing
subs for cmps with same operands, so I think doing this is fine.

Differential Revision: https://reviews.llvm.org/D120337

The tristate is a little redundant as we can determine if the item was already in the cache based on the return from try_emplace.

Reviewed By: salman-javed-nz

Differential Revision: https://reviews.llvm.org/D120196

Add support to the `isInline` matcher for C++17's inline variables.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D118900

This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed-by: ymandel, xazax.hun

Differential Revision: https://reviews.llvm.org/D120149

This patch introduces a dense implementation of the LR parsing table, which is
used by LR parsers.

We build a SLR(1) parsing table from the LR(0) graph.

Statistics of the LR parsing table on the C++ spec grammar:
  - number of states: 1449
  - number of actions: 83069
  - size of the table (bytes): 334928

Differential Revision: https://reviews.llvm.org/D118196

Supplement tests for some aliaes of gorci.

RV32:
add orc4.h/orc2.h in rv32zbp.ll
add orc.h/orc16/orc8/orc4/orc2/orc in rv32zbp-intrinsic.ll

RV64:
add orc4.h/orc2.h in rv64zbp.ll
add orc.h/orc32/orc16/orc8/orc4/orc2/orc/orc16.w/orc8.w/
    orc4.w/orc2.w/orc.w in rv64zbp-intrinsic.ll

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D120388

This patch handles lowering of real constant.

This patch is part of the upstreaming effort from fir-dev branch.

Reviewed By: PeteSteinfeld

Differential Revision: https://reviews.llvm.org/D120354



Co-authored-by: Eric Schweitz <eschweitz@nvidia.com>
Co-authored-by: Jean Perier <jperier@nvidia.com>

Supplement tests for some aliaes of grevi.

RV32:
add rev4.h/rev2.h in rv32zbp.ll
add rev/rev2/rev4/rev8/rev16 in rv32zbp-intrinsic.ll

RV64:
add rev4.h/rev2.h in rv64zbp.ll
add rev.h/rev/rev2/rev4/rev8/rev16/rev32/rev.w/rev2.w/
    rev4.w/rev8.w/rev16.w in rv64zbp-intrinsic.ll

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D120304

In places where `MaxNumPromotions` is used to allocated an array, bail out early to prevent allocating an array of length 0.

Differential Revision: https://reviews.llvm.org/D120295

Revert 251640ab which fixed the wrong thing.

While here, add `2>&1 | count 0` to assert no warning from lib/DebugInfo/DWARF.

The write may be racy if ThinLTO creates multiple `InProcessThinBackend` instances.

This patch extends compiler-rt's cmake config to build macOS builtins with both macOS and Mac Catalyst support.
This is done by telling the compiler to emit macho files with two build version load commands.

Differential Revision: https://reviews.llvm.org/D118875

Summary:
We don't need this static allocator to survive the entire file, the
strings stored have a defined lifetime.

Summary:
This patch removes the error we recieve when attempting to extract
offloading sections. We shouldn't consider this a failure because
extracting bitcode isn't necessarily required.

It turns out that instcombine is smarter than I am, and several of these ended up folded for the wrong reasons.

This reverts commit 55c181a6.

The original commit I made was an old patch, mea culpa. Committing the right
implementation with test case for the reported crash.

Note: on some architectures lik AArch64, the PC does not match
compiler-rt/lib/sanitizer_common/sanitizer_coverage_libcdep_new.cpp:`__sanitizer_cov_trace_pc_guard`

Port the change to compiler-rt/lib/fuzzer/FuzzerTracePC.cpp .
Update RISCV to use PC-2: this is coarse (C extension may be disabled) but
sufficient for pure symbolization purpose.

The commit is separate from D120362 so that bisecting/reverting is easier.

Reviewed By: bixia

Differential Revision: https://reviews.llvm.org/D120347

x86 uses offset 1 while most RISC architectures use offset 4.
Check x86 first to prevent changes for new RISC architectures.

Reviewed By: #sanitizers, vitalybuka

Differential Revision: https://reviews.llvm.org/D120362