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Author SHA1 Message Date
Fangrui Song dbc96b518b Revert "[CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition" 
This reverts commit 789a46f2d7.

Accidentally committed.
 2020-02-03 10:09:39 -08:00
Fangrui Song 789a46f2d7 [CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition 
Summary:
Clang -fpic defaults to -fno-semantic-interposition (GCC -fpic defaults
to -fsemantic-interposition).
Users need to specify -fsemantic-interposition to get semantic
interposition behavior.

Semantic interposition is currently a best-effort feature. There may
still be some cases where it is not handled well.

Reviewers: peter.smith, rnk, serge-sans-paille, sfertile, jfb, jdoerfert

Subscribers: dschuff, jyknight, dylanmckay, nemanjai, jvesely, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, arphaman, PkmX, jocewei, jsji, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D73865
 2020-02-03 09:52:48 -08:00
Craig Topper 5dd94e50c9 [CodeGen] Update test checks missed in r345168. 
These tests don't run unless the aarch64 target is registered and my testing had been on an x86 only build directory.

llvm-svn: 345176
 2018-10-24 18:45:44 +00:00
Mehdi Amini 6aa9e9b41a IRGen: Add optnone attribute on function during O0 
Amongst other, this will help LTO to correctly handle/honor files
compiled with O0, helping debugging failures.
It also seems in line with how we handle other options, like how
-fnoinline adds the appropriate attribute as well.

Differential Revision: https://reviews.llvm.org/D28404

llvm-svn: 304127
 2017-05-29 05:38:20 +00:00
Tim Northover 58672974a9 ARM & AArch64: convert asm tests to LLVM IR and restrict optimizations. 
This is mostly a one-time autoconversion of tests that checked assembly after
"-Owhatever" compiles to only run "opt -mem2reg" and check the assembly. This
should make them much more stable to changes in LLVM so they won't break on
unrelated changes.

"opt -mem2reg" is a compromise designed to increase the readability of tests
that check dataflow, while minimizing dependency on LLVM. Hopefully mem2reg is
stable enough that no surpises will come along.

Should address http://llvm.org/PR26815.

llvm-svn: 263048
 2016-03-09 18:54:42 +00:00
Tim Northover 831d728f9a AArch64: re-enable tests that were looking for a non-existent backend. 
In the final phase of the merge, I managed to disable a bunch of Clang
tests accidentally. Fortunately none of them seem to have broken in
the interim.

llvm-svn: 211149
 2014-06-18 08:37:28 +00:00
Tim Northover 25e8a6754e AArch64/ARM64: update Clang after AArch64 removal. 
A few (mostly CodeGen) parts of Clang were tightly coupled to the
AArch64 backend. Now that it's gone, they will not even compile.

I've also deduplicated RUN lines in many of the AArch64 tests. This
might improve "make check-all" time noticably: some of those NEON
tests were monsters.

llvm-svn: 209578
 2014-05-24 12:51:25 +00:00
James Molloy 75f5f9e629 [ARM64] Allow the disabling of NEON and crypto instructions. Update tests to pass -target-feature +neon. 
llvm-svn: 206394
 2014-04-16 15:33:48 +00:00
Tim Northover b17f9a4609 ARM64: add a few bits of polynomial intrinsic codegen. 
llvm-svn: 205303
 2014-04-01 12:23:08 +00:00
Tim Northover 926a235fea AArch64: convert NEON tests to use CHECK-LABEL. 
llvm-svn: 202703
 2014-03-03 11:34:36 +00:00
Kevin Qin fb79d7f843 [AArch64 NEON] Support poly128_t and implement relevant intrinsic. 
llvm-svn: 196888
 2013-12-10 06:49:01 +00:00