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8 Commits

Author SHA1 Message Date
Matt Arsenault 0a7cd99a70 Reapply "OpaquePtr: Add type to sret attribute" 
This reverts commit eb9f7c28e5.

Previously this was incorrectly handling linking of the contained
type, so this merges the fixes from D88973.
 2020-10-16 11:05:02 -04:00
Tres Popp eb9f7c28e5 Revert "OpaquePtr: Add type to sret attribute" 
This reverts commit 55c4ff91bd.

Issues were introduced as discussed in https://reviews.llvm.org/D88241
where this change made previous bugs in the linker and BitCodeWriter
visible.
 2020-09-29 10:31:04 +02:00
Matt Arsenault 55c4ff91bd OpaquePtr: Add type to sret attribute 
Make the corresponding change that was made for byval in
b7141207a4. Like byval, this requires a
bulk update of the test IR tests to include the type before this can
be mandatory.
 2020-09-25 14:07:30 -04:00
Erik Pilkington de98cf92e3 [CodeGen] Add an alignment attribute to all sret parameters 
This fixes a miscompile when the parameter is actually underaligned.
rdar://58316406

Differential revision: https://reviews.llvm.org/D74183
 2020-03-24 15:31:57 -04:00
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
Jacques Pienaar e74d91314a [lanai] Update handling of structs in arguments to be passed in registers. 
Previously aggregate types were passed byval, change the ABI to pass these in registers instead.

llvm-svn: 267496
 2016-04-26 00:09:29 +00:00
Jacques Pienaar d964cc22d1 [lanai] Add Lanai backend to clang driver. 
Changes to clang to add Lanai backend. Adds a new target, ABI and toolchain.

General Lanai backend discussion on llvm-dev thread "[RFC] Lanai backend" (http://lists.llvm.org/pipermail/llvm-dev/2016-February/095118.html).

Differential Revision: http://reviews.llvm.org/D17002

llvm-svn: 264655
 2016-03-28 21:02:54 +00:00