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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 Blaikie bdf40a62a7 Test case updates for explicit type parameter to the gep operator 
llvm-svn: 232187
 2015-03-13 18:21:46 +00:00
Chris Lattner 73e3004e75 fix an unintended behavior change in the type system rewrite, which caused us to compile 
stuff like this:

typedef struct {
 int x, y, z; 
} foo_t;

foo_t g;

into:
%"struct.<anonymous>" = type { i32, i32, i32 }
we now get:
%struct.foo_t = type { i32, i32, i32 }

This doesn't change the behavior of the compiler, but makes the IR much easier to read.

llvm-svn: 134969
 2011-07-12 05:53:08 +00:00
Chris Lattner a5f58b05e8 clang side to match the LLVM IR type system rewrite patch. 
llvm-svn: 134831
 2011-07-09 17:41:47 +00:00
Chris Lattner 369721a16e stop looking for #uses comments. 
llvm-svn: 112898
 2010-09-02 22:48:26 +00:00
Rafael Espindola e971b9a260 Correctly align large arrays in x86-64. This fixes PR5599. 
llvm-svn: 105500
 2010-06-04 23:15:27 +00:00
Daniel Dunbar 4c43e31d21 Evaluate: Fix a subtle bug in the pointer evaluator in which we would do an 
expression computation in the wrong bit-width, and end up generating a totally
bogus array reference (_g0+8589934546).
 - This showed up on Prolangs/cdecl.

llvm-svn: 99042
 2010-03-20 05:53:45 +00:00