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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
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
John McCall 20f6ab828a Fix a latent bug where, after emitting an expression statement, we would 
delete the block we began emitting into if it had no predecessors.  We never
want to do this, because there are several valid cases during statement
emission where an existing block has no known predecessors but will acquire
some later.  The case in my test case doesn't inherently fall into this 
category, because we could safely emit the case-range code before the statement
body, but there are examples with labels that can't be fallen into 
that would also demonstrate this bug.

rdar://problem/8837067

llvm-svn: 123303
 2011-01-12 03:41:02 +00:00
Daniel Dunbar 87c1991bb4 Merge several tests into switch.c. 
llvm-svn: 100235
 2010-04-02 22:29:35 +00:00
Daniel Dunbar 8fbe78f6fc Update tests to use %clang_cc1 instead of 'clang-cc' or 'clang -cc1'. 
- This is designed to make it obvious that %clang_cc1 is a "test variable"
   which is substituted. It is '%clang_cc1' instead of '%clang -cc1' because it
   can be useful to redefine what gets run as 'clang -cc1' (for example, to set
   a default target).

llvm-svn: 91446
 2009-12-15 20:14:24 +00:00
Daniel Dunbar 9c7efbb996 Fix some codegen tests to include positive checks. 
llvm-svn: 89465
 2009-11-20 17:23:39 +00:00
Daniel Dunbar a45cf5b6b0 Rename clang to clang-cc. 
Tests and drivers updated, still need to shuffle dirs.

llvm-svn: 67602
 2009-03-24 02:24:46 +00:00
Eli Friedman 6a7087e455 Emit basic block for switch body; fixes PR2307. 
llvm-svn: 50968
 2008-05-12 16:08:04 +00:00
Chris Lattner 807979824e use -emit-llvm-bc 
llvm-svn: 45372
 2007-12-27 20:35:58 +00:00
Chris Lattner 9e137aad78 fix a couple switch codegen problems Oliver reported. 
llvm-svn: 44484
 2007-12-01 05:27:33 +00:00
Chris Lattner aa0b570dfb Support fully general case expressions, patch by Sanghyeon Seo! 
llvm-svn: 44453
 2007-11-30 17:44:57 +00:00
Devang Patel 1166312e8b Code gen case statement ranges. 
llvm-svn: 42766
 2007-10-08 20:57:48 +00:00
Devang Patel 64a9ca7c58 Support case statement ranges. 
llvm-svn: 42648
 2007-10-05 20:54:07 +00:00
Devang Patel da5d6bbc40 switch statement code gen. 
llvm-svn: 42616
 2007-10-04 23:45:31 +00:00