This is causing failures when compiling clang with -O3
as one of the structures used by clang is passed by
value and uses the fastcc calling convention.

Faliures manifest for stage2 mips build.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310057 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
M-class profiles do not support ARM execution mode, so providing
-marm/-mno-thumb does not make sense in combination with -mcpu/-march
options that support the M-profile.

This is a follow-up patch to D35569 and it seemed pretty clear that we
should emit an error in the driver in this case.

We probably also should warn/error if the provided -mcpu/-march options
do not match, e.g. -mcpu=cortex-m0 -march=armv8-a is invalid, as
cortex-m0 does not support armv8-a. But that should be a separate patch
I think.


Reviewers: echristo, richard.barton.arm, rengolin, labrinea, charles.baylis

Reviewed By: rengolin

Subscribers: aemerson, javed.absar, kristof.beyls, cfe-commits

Differential Revision: https://reviews.llvm.org/D35826

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310047 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310038 91177308-0d34-0410-b5e6-96231b3b80d8

This reverts commit r309995. It looks like it's responsible for breaking
the stage2 coverage build:

http://green.lab.llvm.org/green/job/clang-stage2-coverage-R_build/1402

The cfe-commits discussion re: r309995 has more context.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310019 91177308-0d34-0410-b5e6-96231b3b80d8

The .gnu_hash format is superior, and all versions of the Fuchsia
dynamic linker support it.

Differential Revision: https://reviews.llvm.org/D36254

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310017 91177308-0d34-0410-b5e6-96231b3b80d8

The current coverage implementation doesn't handle region termination
very precisely. Take for example an `if' statement with a `return':

  void f() {
    if (true) {
      return; // The `if' body's region is terminated here.
    }
    // This line gets the same coverage as the `if' condition.
  }

If the function `f' is called, the line containing the comment will be
marked as having executed once, which is not correct.

The solution here is to create a deferred region after terminating a
region. The deferred region is completed once the start location of the
next statement is known, and is then pushed onto the region stack.
In the cases where it's not possible to complete a deferred region, it
can safely be dropped.

Testing: lit test updates, a stage2 coverage-enabled build of clang

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310010 91177308-0d34-0410-b5e6-96231b3b80d8

This commit fixes a bug where clang/llvm doesn't emit an unwind table
for a function when it is marked noexcept. Without this patch, the
following code terminates with an uncaught exception on ARM64:

int foo1() noexcept {
  try {
    throw 0;
  } catch (int i) {
    return 0;
  }
  return 1;
}

int main() {
  return foo1();
}

rdar://problem/32411865

Differential Revision: https://reviews.llvm.org/D35693

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310006 91177308-0d34-0410-b5e6-96231b3b80d8

Patch by Roland McGrath

Differential Revision: https://reviews.llvm.org/D35922

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309999 91177308-0d34-0410-b5e6-96231b3b80d8

The code after a noreturn call doesn't execute.

The pattern in the testcase is pretty common in LLVM (a switch with
a default case that calls llvm_unreachable).

Differential Revision: https://reviews.llvm.org/D36250



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309995 91177308-0d34-0410-b5e6-96231b3b80d8

This reverts commit r309942 & commit r309940.

A revert was requested following post commit review.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309978 91177308-0d34-0410-b5e6-96231b3b80d8

Patch by ~paul (cynecx on phabricator)! Some test massaging by me.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309975 91177308-0d34-0410-b5e6-96231b3b80d8

This change adds support for cross-file diagnostic paths in html output. If the
diagnostic path is not cross-file, there is no change in the output.

Patch by Vlad Tsyrklevich!

Differential Revision: https://reviews.llvm.org/D30406

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309968 91177308-0d34-0410-b5e6-96231b3b80d8

particular diagnostic.

Differential Revision: https://reviews.llvm.org/D36252

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309955 91177308-0d34-0410-b5e6-96231b3b80d8

Needed a // REQUIRES: mips-registered-target


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309942 91177308-0d34-0410-b5e6-96231b3b80d8

This option when combined with -mgpopt and -membedded-data places all
uninitialized constant variables in the read-only section.

Reviewers: atanasyan, nitesh.jain

Differential Revision: https://reviews.llvm.org/D35917


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309940 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for the -membedded-data option which places constant data in
the .rodata section, rather than the .sdata section.

Reviewers: atanasyan, nitesh.jain

Differential Revision: https://reviews.llvm.org/D35914


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309935 91177308-0d34-0410-b5e6-96231b3b80d8

We never overwrite the end location of a region, so we would end up with
an overly large region when we reused the switch's region.

It's possible this code will be substantially rewritten in the near
future to deal with fallthrough more accurately, but this seems like
an improvement on its own for now.

Differential Revision: https://reviews.llvm.org/D34801



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309901 91177308-0d34-0410-b5e6-96231b3b80d8

In r309007, I made -fsanitize=null a hard prerequisite for -fsanitize=vptr. I
did not see the need for the two checks to have separate null checking logic
for the same pointer. I expected the two checks to either always be enabled
together, or to be mutually compatible.

In the mailing list discussion re: r309007 it became clear that that isn't the
case. If a codebase is -fsanitize=vptr clean but not -fsanitize=null clean,
it's useful to have -fsanitize=vptr emit its own null check. That's what this
patch does: with it, -fsanitize=vptr can be used without -fsanitize=null.

Differential Revision: https://reviews.llvm.org/D36112

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309846 91177308-0d34-0410-b5e6-96231b3b80d8

Summary: This is required by the libc++ locale support.

Reviewers: jyknight

Subscribers: fedor.sergeev

Differential Revision: https://reviews.llvm.org/D36121

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309815 91177308-0d34-0410-b5e6-96231b3b80d8

Example:

#define MACRO(C)   if (C) { static int x; .. }
void foo() {
	MACRO(0);
}

Differential Revision: https://reviews.llvm.org/D36141



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309799 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
clang/test/Driver/autocomplete.c is a test for --autocomplete, and this
test might break if people add/modify flags or HelpText. So I've add
comment for future developers so that they can fix this file according
to the change they had made.

Reviewers: v.g.vassilev, teemperor, ruiu

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D36209

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309794 91177308-0d34-0410-b5e6-96231b3b80d8

Don't support or build static C++ libraries for Fuchsia.

Differential Revision: https://reviews.llvm.org/D36202

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309778 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
Change the condition of this unnecessary packed warning. The packed is unnecessary when
1. the alignment of the struct/class won't alter.
2. the size is unchanged.
3. the offset of each field is the same.

Remove all field-level warning.

Reviewers: chh, akyrtzi, rtrieu

Reviewed By: chh

Subscribers: rsmith, srhines, cfe-commits, xazax.hun

Differential Revision: https://reviews.llvm.org/D34114

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309750 91177308-0d34-0410-b5e6-96231b3b80d8

This reverts commit rL309725.

Broke test/Sema/attr-capabilities.c.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309731 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
Previously, the assert_capability attribute was completely ignored by
thread safety analysis.

Reviewers: delesley, rnk

Reviewed By: delesley

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D36122

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309725 91177308-0d34-0410-b5e6-96231b3b80d8

r282968 introduced a regression due to the lack of proper testing.
Re-add lax conversion support between non ext vectors for compound
assignments and add a test for that.

rdar://problem/28639467

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309722 91177308-0d34-0410-b5e6-96231b3b80d8

This adds get_kernel_max_sub_group_size_for_ndrange and
get_kernel_sub_group_count_for_ndrange.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309678 91177308-0d34-0410-b5e6-96231b3b80d8

Allows the incorporation of legit (x86) Debug Regs within inline asm stataements

Differential Revision: https://reviews.llvm.org/D36074


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309672 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309640 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309636 91177308-0d34-0410-b5e6-96231b3b80d8

Patch by Vlad Tsyrklevich!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309635 91177308-0d34-0410-b5e6-96231b3b80d8

it is inferred from -isysroot.

This fixes a change that was inadvertently introduced in r309607.

rdar://problem/32230613

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309633 91177308-0d34-0410-b5e6-96231b3b80d8

Caused a bot test failure:
http://bb.pgr.jp/builders/test-clang-msc-x64-on-i686-linux-RA/builds/5325

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309624 91177308-0d34-0410-b5e6-96231b3b80d8

CodeGenFunction::EmitTypeMetadataCodeForVCall() could output an
llvm.assume(llvm.type.test())when CFI was enabled, optimizing out the
vcall check. This case was only reached when: 1) CFI-vcall was enabled,
2) -fwhole-program-tables was specified, and 3)
-fno-sanitize-trap=cfi-vcall was specified.

Patch by Vlad Tsyrklevich!

Differential Revision: https://reviews.llvm.org/D36013

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309622 91177308-0d34-0410-b5e6-96231b3b80d8

Differential Revision: https://reviews.llvm.org/D36100

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309620 91177308-0d34-0410-b5e6-96231b3b80d8

Windows/ARM64 is a LLP64 environment, so don't set this default
define.

Differential Revision: https://reviews.llvm.org/D36098

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309619 91177308-0d34-0410-b5e6-96231b3b80d8

Differential Revision: https://reviews.llvm.org/D36099

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309618 91177308-0d34-0410-b5e6-96231b3b80d8

A change to InstCombine broke this test, but we generally frown on running optimizations clang tests anyway. So I've updated the checks to not depend on optimizations anymore.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309616 91177308-0d34-0410-b5e6-96231b3b80d8

deployment target is earlier than iOS 11 and the target is 32-bit.

This is a follow-up to r306922.

rdar://problem/32230613

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309607 91177308-0d34-0410-b5e6-96231b3b80d8

This fixes the test, so that it can be run on different hosts that may have
different OpenCL extensions enabled.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309571 91177308-0d34-0410-b5e6-96231b3b80d8