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5676208119
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Yuanfang Chen 5676208119 [X86] make sure POP has implicit def/use of stack pointer when materializing 8-bit immediates for minsize 
Summary:
Otherwise PostRA list scheduler may reorder instruction, such as

schedule this
'''
pushq  $0x8
pop    %rbx
lea    0x2a0(%rsp),%r15
'''
to
'''
pushq  $0x8
lea    0x2a0(%rsp),%r15
pop    %rbx
'''
by mistake. The patch is to prevent this to happen by making sure POP has
implicit use of SP.

Reviewers: craig.topper

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77031
2020-03-30 09:25:31 -07:00
benchmarks
bindings Add an SDK attribute to DICompileUnit 2020-03-11 14:14:06 -07:00
cmake Do export symbols when LLVM_EXPORT_SYMBOLS_FOR_PLUGINS is on. 2020-03-26 09:07:02 +00:00
docs [LangRef] Clarify the semantics of branch on undef 2020-03-30 11:41:47 +09:00
examples [examples] Fixes for BUILD_SHARED_LIBS=on 2020-03-23 15:21:45 -07:00
include [Alignment][NFC] Provide tightened up functions in SelectionDAG, MachineFunction and MachineMemOperand 2020-03-30 13:03:27 +00:00
lib [X86] make sure POP has implicit def/use of stack pointer when materializing 8-bit immediates for minsize 2020-03-30 09:25:31 -07:00
projects
resources
runtimes [runtimes] When COMPILER_RT is enabled, consider SANITIZER prefixes 2020-03-11 14:22:20 -07:00
test [X86] make sure POP has implicit def/use of stack pointer when materializing 8-bit immediates for minsize 2020-03-30 09:25:31 -07:00
tools [llvm-rc] Allow -1 for menu item IDs 2020-03-28 14:32:08 +02:00
unittests [Alignment][NFC] Use Align version of getMachineMemOperand 2020-03-30 15:46:27 +00:00
utils [gn build] Port 854f268ca62 2020-03-29 19:24:34 +00:00
.clang-format
.clang-tidy - Update .clang-tidy to ignore parameters of main like functions for naming violations in clang and llvm directory 2020-01-31 16:49:45 +00:00
.gitattributes
.gitignore Continue removing llgo. 2020-02-10 10:33:58 -08:00
CMakeLists.txt [cmake] Fix -stripped for umbrella library install targets 2020-03-20 18:46:48 -07:00
CODE_OWNERS.TXT Remove myself from CODE_OWNERS. 2020-02-25 11:59:29 +00:00
configure
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
README.txt Test commit. 2020-03-14 18:08:26 -07:00
RELEASE_TESTERS.TXT

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