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Valentin Churavy fa8ef60bf6 [VNCoercion] Disallow coercion between different ni addrspaces
I'm not sure if it would be legal by the IR reference to introduce
an addrspacecast here, since the IR reference is a bit vague on
the exact semantics, but at least for our usage of it (and I
suspect for many other's usage) it is not. For us, addrspacecasts
between non-integral address spaces carry frontend information that the
optimizer cannot deduce afterwards in a generic way (though we
have frontend specific passes in our pipline that do propagate
these). In any case, I'm sure nobody is using it this way at
the moment, since it would have introduced inttoptrs, which
are definitely illegal.

Fixes PR38375

Co-authored-by: Keno Fischer <keno@alumni.harvard.edu>

Reviewed By: reames

Differential Revision: https://reviews.llvm.org/D50010
2020-12-07 20:19:48 -05:00
benchmarks
bindings Adding PoisonValue for representing poison value explicitly in IR 2020-11-25 17:33:51 -07:00
cmake [llvm] Update WinMsvc.cmake's fms-compatability to match llvm's prereqs 2020-12-04 16:35:05 -08:00
docs [CSSPGO][llvm-profgen] Context-sensitive profile data generation 2020-12-07 13:48:58 -08:00
examples llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
include [clang][AMDGPU] rename sram-ecc as sramecc 2020-12-07 18:05:47 -05:00
lib [VNCoercion] Disallow coercion between different ni addrspaces 2020-12-07 20:19:48 -05:00
projects llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
resources
runtimes [runtimes] Revert the libc++ __config_site change 2020-10-23 09:41:48 -04:00
test [VNCoercion] Disallow coercion between different ni addrspaces 2020-12-07 20:19:48 -05:00
tools [CSSPGO][llvm-profgen] Context-sensitive profile data generation 2020-12-07 13:48:58 -08:00
unittests [OpenMPIRBuilder] introduce createStaticWorkshareLoop 2020-12-07 22:30:59 +01:00
utils docs: Add pointer to cmake caches for PGO 2020-12-07 15:55:26 -05:00
.clang-format
.clang-tidy
.gitattributes
.gitignore
CMakeLists.txt repair cygwin build 2020-12-03 11:49:16 -05:00
CODE_OWNERS.TXT [CODE_OWNERS.TXT] Update to include yours truly as the TableGen owner 2020-11-12 09:49:00 -05:00
configure
CREDITS.TXT [NFC] Add contributors names to CREDITS.TXT 2020-10-07 13:22:55 -04:00
LICENSE.TXT
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