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David Majnemer a3ea407d48 [X86] Use the correct alignment for COMDAT constant pool entries 
COFF doesn't have sections with mergeable contents.  Instead, each
constant pool entry ends up in a COMDAT section.  The linker, when
choosing between COMDAT sections, doesn't choose the max alignment of
the two sections.  You just get whatever alignment was on the section.

If one constant needed a higher alignment in one object file from
another one, then we will get into trouble if the linker chooses the
lower alignment one.

Instead, lets promote the alignment of the constant pool entry to make
sure we don't use an under aligned constant with an instruction which
assumed otherwise.

This fixes PR26680.

llvm-svn: 261462
 		2016-02-21 01:30:30 +00:00
..
Analysis [PM/AA] Wire up TBAA to the new pass manager's registry and test it. 2016-02-20 04:04:52 +00:00
Assembler Fix constant folding of constant vector GEPs with undef or null as pointer argument. 2016-01-19 16:34:31 +00:00
Bindings Add support for invoke/landingpad/resume in C API test 2016-02-18 20:38:32 +00:00
Bitcode Restore "[ThinLTO] Use MD5 hash in function index." with fix 2016-02-10 21:55:02 +00:00
BugPoint
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CodeGen [X86] Use the correct alignment for COMDAT constant pool entries 2016-02-21 01:30:30 +00:00
DebugInfo [codeview] Fix emission of file changes in inline line tables 2016-02-19 23:55:38 +00:00
Examples
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ExecutionEngine Disable the new Orc lazy JIT tests on Windows, they do not pass 2016-02-10 18:46:42 +00:00
Feature [GMR/OperandBundles] Teach getModRefBehavior about operand bundles 2016-02-09 02:31:47 +00:00
FileCheck
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Instrumentation [sanitizer-coverage] implement -fsanitize-coverage=trace-pc. This is similar to trace-bb, but has a different API. We already use the equivalent flag in GCC for Linux kernel fuzzing. We may be able to use this flag with AFL too 2016-02-17 21:34:43 +00:00
Integer
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JitListener Fix several accidental DOS line endings in source files 2016-01-03 17:22:03 +00:00
LTO [LTO] Restore original linkage of externals prior to splitting 2016-01-18 23:24:54 +00:00
LibDriver
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Linker [ThinLTO] Remove imported available externally defs from comdats. 2016-02-08 18:47:20 +00:00
MC [X86] Add some missing reversed forms of XOP instructions. 2016-02-20 06:20:17 +00:00
Object Represent the dynamic table itself with a DynRegionInfo. 2016-02-17 16:48:00 +00:00
Other [LPM] Factor all of the loop analysis usage updates into a common helper 2016-02-19 10:45:18 +00:00
SymbolRewriter
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TableGen SelectionDAG: Make Properties a field of SDPatternOperator 2016-02-10 18:40:04 +00:00
Transforms [InstCombine] SSE/SSE2 (u)comiss/(u)comisd comparison intrinsics only use the lowest vector element 2016-02-20 23:17:35 +00:00
Unit
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Verifier Add a "gc-transition" operand bundle 2016-01-20 19:50:25 +00:00
YAMLParser
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tools llvm-dwp: Don't test compression when zlib isn't available 2016-02-19 02:03:45 +00:00
.clang-format
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CMakeLists.txt Introduce sanstats tool and llvm::CreateSanitizerStatReport function. 2016-01-16 00:31:11 +00:00
TestRunner.sh
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lit.cfg Introduce sanstats tool and llvm::CreateSanitizerStatReport function. 2016-01-16 00:31:11 +00:00
lit.site.cfg.in Make WinCOFFObjectWriter.cpp's timestamp writing not use ENABLE_TIMESTAMPS 2016-01-06 19:05:19 +00:00