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Akira Hatanaka 416efb5f90 Fix bugs in cpuid.h. 
This commit makes two changes:

- Remove the push and pop instructions that were saving and restoring %ebx
  before and after cpuid in 32-bit pic mode. We were doing this to ensure we
  don't lose the GOT address in pic register %ebx, but this isn't necessary
  because the GOT address is kept in a virtual register.

- In 64-bit mode, preserve base register %rbx around cpuid.

This fixes PR20311 and rdar://problem/17686779.

llvm-svn: 218173
 		2014-09-20 01:31:09 +00:00
..
ARCMigrate Objective-C SDK modernizer. Do not modernize an enum 2014-09-15 16:41:47 +00:00
AST Silence MSVC warnings from r218127 about not returning a value 2014-09-19 16:20:24 +00:00
ASTMatchers Separate the matchers by type and statically dispatch to the right list. 2014-09-05 20:15:31 +00:00
Analysis Thread Safety Analysis: add new warning flag, -Wthread-safety-reference, which 2014-09-18 23:02:26 +00:00
Basic Silence a signed/unsigned mismatch warning from MSVC; NFC. 2014-09-19 12:21:56 +00:00
CodeGen Fix ctor/dtor aliases losing 'dllexport' (for Itanium ABI) 2014-09-19 22:06:24 +00:00
Driver Fix forwarding -l to MSVC's link.exe 2014-09-16 19:22:00 +00:00
Edit Edit: Do not extend a removal to include trailing whitespace if we're at the end 2014-09-15 11:47:10 +00:00
Format clang-format: [JS] add space before operator 'in'. 2014-09-19 10:48:15 +00:00
Frontend unique_ptrify ChainedDiagnosticConsumer's ctor parameters 2014-09-15 17:50:10 +00:00
FrontendTool Provide a BuryPointer for unique_ptrs. 2014-08-29 16:53:14 +00:00
Headers Fix bugs in cpuid.h. 2014-09-20 01:31:09 +00:00
Index clang-format: [JS] Support regex literals with trailing escaped slash. 2014-09-09 14:37:39 +00:00
Lex Unique_ptrify Preprocessor::PragmaHandlersBackup 2014-09-15 21:31:42 +00:00
Parse [OPENMP] Initial parsing/sema analysis of 'target' directive. 2014-09-19 08:19:49 +00:00
Rewrite Use intrusive refcounted pointers to manage RopeRefCountString lifetime. 2014-09-15 17:58:03 +00:00
Sema Follow-up to r214408: Warn on other callee-cleanup functions without prototype too. 2014-09-19 23:07:12 +00:00
Serialization [OPENMP] Initial parsing/sema analysis of 'target' directive. 2014-09-19 08:19:49 +00:00
StaticAnalyzer [OPENMP] Initial parsing/sema analysis of 'target' directive. 2014-09-19 08:19:49 +00:00
Tooling Tooling: Ignore file names in tooling::deduplicate. 2014-09-09 13:53:29 +00:00
CMakeLists.txt Fix build with various feature flag combinations 2014-07-14 22:17:22 +00:00
Makefile Make clang's rewrite engine a core feature 2014-07-16 16:48:33 +00:00