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10 Commits

Author SHA1 Message Date
Nikita Popov 41d5033eb1 [IR] Enable opaque pointers by default 
This enabled opaque pointers by default in LLVM. The effect of this
is twofold:

* If IR that contains *neither* explicit ptr nor %T* types is passed
  to tools, we will now use opaque pointer mode, unless
  -opaque-pointers=0 has been explicitly passed.
* Users of LLVM as a library will now default to opaque pointers.
  It is possible to opt-out by calling setOpaquePointers(false) on
  LLVMContext.

A cmake option to toggle this default will not be provided. Frontends
or other tools that want to (temporarily) keep using typed pointers
should disable opaque pointers via LLVMContext.

Differential Revision: https://reviews.llvm.org/D126689
 2022-06-02 09:40:56 +02:00
Amy Huang 7b1d793713 Reland "Change the X86 datalayout to add three address spaces 
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
 2019-09-10 23:15:38 +00:00
Vlad Tsyrklevich 57076d3199 Revert "Change the X86 datalayout to add three address spaces for 32 bit signed," 
This reverts commit r370083 because it caused check-lld failures on
sanitizer-x86_64-linux-fast.

llvm-svn: 370142
 2019-08-28 01:08:54 +00:00
Amy Huang 1299945b81 Change the X86 datalayout to add three address spaces for 32 bit signed, 
32 bit unsigned, and 64 bit pointers.

llvm-svn: 370083
 2019-08-27 17:46:53 +00:00
Eugene Leviant bf46e7410c [ThinLTO] Internalize readonly globals 
An attempt to recommit r346584 after failure on OSX build bot.
Fixed cache key computation in ThinLTOCodeGenerator and added
test case

llvm-svn: 347033
 2018-11-16 07:08:00 +00:00
Steven Wu fa43892d6f Revert "[ThinLTO] Internalize readonly globals" 
This reverts commit 10c84a8f35cae4a9fc421648d9608fccda3925f2.

llvm-svn: 346768
 2018-11-13 17:35:04 +00:00
Eugene Leviant be8d19967a [ThinLTO] Internalize readonly globals 
This patch allows internalising globals if all accesses to them
(from live functions) are from non-volatile load instructions

Differential revision: https://reviews.llvm.org/D49362

llvm-svn: 346584
 2018-11-10 08:31:21 +00:00
Eugene Leviant 19e238746b [ThinLTO] Recommit of import global variables 
This wasreverted in r326638 due to link problems and fixed
afterwards

llvm-svn: 327254
 2018-03-12 10:30:50 +00:00
Chandler Carruth a4619d9944 [ThinLTO] Revert r325320: Import global variables 
This caused some links to fail with ThinLTO due to missing symbols as
well as causing some binaries to have failures at runtime. We're working
with the author to get a test case, but want to get the tree green
again.

Further, it appears to introduce a data race. While the test usage of
threads was disabled in r325361 & r325362, that isn't an acceptable fix.
I've reverted both of these as well. This code needs to be thread safe.
Test cases for this are already on the original commit thread.

llvm-svn: 326638
 2018-03-02 23:40:08 +00:00
Eugene Leviant 7331a0bf1c [ThinLTO] Import global variables 
Differential revision: https://reviews.llvm.org/D43077

llvm-svn: 325320
 2018-02-16 08:11:04 +00:00