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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
David Majnemer 24547108d6 Let FuncAttrs infer the 'returned' argument attribute 
This reverts commit r275756.

llvm-svn: 276014
 2016-07-19 19:59:24 +00:00
NAKAMURA Takumi 966bde50c3 Revert r275678, "Revert "Revert r275027 - Let FuncAttrs infer the 'returned' argument attribute"" 
This reverts also r275029, "Update Clang tests after adding inference for the returned argument attribute"

It broke LTO build. Seems miscompilation.

llvm-svn: 275756
 2016-07-18 03:23:25 +00:00
Hal Finkel 81cdef31e6 Revert "Revert r275029 - Update Clang tests after adding inference for the returned argument attribute" 
This reverts commit r275043 after reapplying the underlying LLVM commit.

llvm-svn: 275679
 2016-07-16 07:22:09 +00:00
Hal Finkel 9a17d7ac6e Revert r275029 - Update Clang tests after adding inference for the returned argument attribute 
The associated backend change is causing miscompiles from the AArch64 backend.

llvm-svn: 275043
 2016-07-11 04:52:07 +00:00
Hal Finkel 617c962752 Update Clang tests after adding inference for the returned argument attribute 
Adjusting tests after r275027.

llvm-svn: 275029
 2016-07-10 22:26:52 +00:00
NAKAMURA Takumi 7cbe30fc43 clang/test: REQUIRES: s/ppc{32|64}-registered-target/powerpc-registered-target/ 
llvm-svn: 196349
 2013-12-04 03:41:15 +00:00
Stephen Lin 4362261b00 CHECK-LABEL-ify some code gen tests to improve diagnostic experience when tests fail. 
llvm-svn: 188447
 2013-08-15 06:47:53 +00:00
Bill Schmidt 179afae0bf [PowerPC64] Fix passing of single-vector-member structs to match ABI. 
The 64-bit PowerPC ELF ABI requires a struct that contains a single
vector member to be passed in a vector register as though the wrapping
struct were not present.  Instead we were passing this as a byval
struct.

The same logic was already present for floating-point arguments, so
this patch just extends the logic to handle vector types.  The new
test case verifies that clang coerces the parameter and annotates it
as inreg.

Thanks,
Bill

llvm-svn: 186993
 2013-07-23 22:15:57 +00:00