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* Reland "Change the X86 datalayout to add three address spacesAmy Huang2019-09-101-1/+1
| | | | | | | | | | for 32 bit signed, 32 bit unsigned, and 64 bit pointers." This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5. Original review at https://reviews.llvm.org/D64931. Review for added fix at https://reviews.llvm.org/D66843. llvm-svn: 371568
* Revert "Change the X86 datalayout to add three address spaces for 32 bit ↵Vlad Tsyrklevich2019-08-281-1/+1
| | | | | | | | | signed," This reverts commit r370083 because it caused check-lld failures on sanitizer-x86_64-linux-fast. llvm-svn: 370142
* Change the X86 datalayout to add three address spaces for 32 bit signed,Amy Huang2019-08-271-1/+1
| | | | | | 32 bit unsigned, and 64 bit pointers. llvm-svn: 370083
* [ThinLTO] Always emit a summary when compiling in ThinLTO modeTeresa Johnson2016-09-201-0/+2
Summary: Emit an empty summary section, instead of no summary section, when there are no global variables in the index. This ensures that LTO will treat these files as ThinLTO inputs, instead of as regular LTO inputs. In addition to not being what the user likely intended when compiling with -flto=thin, the current behavior is problematic for distributed build systems that expect to get ThinLTO index and imports files back for each input compiled with -flto=thin. Combining into a single regular LTO module also reduces the backend parallelism. And in the case where the index was suppressed due to uses in inline assembly, combining into a single LTO module could provoke renaming of duplicates that we were trying to prevent by suppressing the index. This change required a couple of fixes to handle the empty summary section. Reviewers: mehdi_amini Subscribers: mehdi_amini, llvm-commits, pcc Differential Revision: https://reviews.llvm.org/D24779 llvm-svn: 282037
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