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Pete Cooper c2347d5cf1 [X86] Fast-ISel was incorrectly always killing the source of a truncate. 
A trunc from i32 to i1 on x86_64 generates an instruction such as

%vreg19<def> = COPY %vreg9:sub_8bit<kill>; GR8:%vreg19 GR32:%vreg9

However, the copy here should only have the kill flag on the 32-bit path, not the 64-bit one.
Otherwise, we are killing the source of the truncate which could be used later in the program.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236890 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-08 18:29:42 +00:00
autoconf Deprecate in-source autotools builds 2015-05-04 02:04:54 +00:00
bindings
cmake Update CMake flags, LibFuzzer comments and docs for new -fsanitize-coverage= flags. 2015-05-07 23:33:24 +00:00
docs Extend the statepoint intrinsic to allow statepoints to be marked as transitions from GC-aware code to code that is not GC-aware. 2015-05-08 18:07:42 +00:00
examples [Orc] Reapply r236465 with fixes for the MSVC bots. 2015-05-05 17:37:18 +00:00
include Extend the statepoint intrinsic to allow statepoints to be marked as transitions from GC-aware code to code that is not GC-aware. 2015-05-08 18:07:42 +00:00
lib [X86] Fast-ISel was incorrectly always killing the source of a truncate. 2015-05-08 18:29:42 +00:00
projects
test [X86] Fast-ISel was incorrectly always killing the source of a truncate. 2015-05-08 18:29:42 +00:00
tools [yaml2elf] Replace error message by assert call in writeSectionContent methods 2015-05-08 07:05:04 +00:00
unittests Unbreak build: Makefile must have the same change as CMakeLists.txt 2015-05-08 16:39:59 +00:00
utils Fix r236754: Add the missing yaml-bench dir to the makefile for utils. 2015-05-07 18:48:48 +00:00
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CODE_OWNERS.TXT Added Andrey Churbanov as the owner of the OpenMP runtime library code 2015-05-05 20:17:53 +00:00
configure Deprecate in-source autotools builds 2015-05-04 02:04:54 +00:00
CREDITS.TXT
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Makefile.config.in Deprecate in-source autotools builds 2015-05-04 02:04:54 +00:00
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