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Silviu Baranga 0b7c4af359 [RegisterScavenger] Remove aliasing registers of operands from the candidate set 
Summary:
In addition to not including the register operand of the current
instruction also don't include any aliasing registers. We can't consider
these as candidates because using them will clobber the corresponding
register operand of the current instruction.

This change doesn't include a test case and it would probably be difficult
to produce a stable one since the bug depends on the results of register
allocation.

Reviewers: MatzeB, qcolombet, hfinkel

Subscribers: hfinkel, llvm-commits

Differential Revision: https://reviews.llvm.org/D24130

llvm-svn: 280698
 		2016-09-06 10:10:21 +00:00
..
Analysis [LCG] Clean up and make NDEBUG verify calls more rigorous with 2016-09-04 08:34:31 +00:00
AsmParser Revert "DebugInfo: use strongly typed enum for debug info flags" 2016-09-06 03:26:37 +00:00
Bitcode Revert "DebugInfo: use strongly typed enum for debug info flags" 2016-09-06 03:26:37 +00:00
CodeGen [RegisterScavenger] Remove aliasing registers of operands from the candidate set 2016-09-06 10:10:21 +00:00
DebugInfo [codeview] Use the correct max CV record length of 0xFF00 2016-09-02 18:43:27 +00:00
ExecutionEngine [ORC] Clone module flags metadata into the globals module in the 2016-09-04 17:53:30 +00:00
Fuzzer [libFuzzer] add -minimize_crash flag (to minimize crashers). also add two tests that I failed to commit last time 2016-09-01 01:22:27 +00:00
IR Revert "DebugInfo: use strongly typed enum for debug info flags" 2016-09-06 03:26:37 +00:00
IRReader
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LTO [LTO] Constify (NFC) 2016-09-06 03:23:45 +00:00
LibDriver Object: Replace NewArchiveIterator with a simpler NewArchiveMember class. NFCI. 2016-06-29 22:27:42 +00:00
LineEditor
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Linker Fix ThinLTO crash with debug info 2016-09-03 21:12:33 +00:00
MC (LLVM part) Implement MASM-flavor intel syntax behavior for inline MS asm block: 2016-09-02 23:15:29 +00:00
Object Next set of additional error checks for invalid Mach-O files for bad load commands 2016-08-31 17:57:46 +00:00
ObjectYAML [macho2yaml] Don't write empty linkedit data 2016-08-17 21:46:04 +00:00
Option Replace "fallthrough" comments with LLVM_FALLTHROUGH 2016-08-17 05:10:15 +00:00
Passes [EarlyCSE] Optionally use MemorySSA. NFC. 2016-08-31 19:24:10 +00:00
ProfileData [Coverage] Make sorting criteria for CounterMappingRegions local. 2016-08-31 07:01:17 +00:00
Support [Support] - Fix possible crash in match() of llvm::Regex. 2016-09-02 08:44:46 +00:00
TableGen Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes. 2016-08-23 17:14:32 +00:00
Target [AVX-512] Fix masked VPERMI2PS isel when the index comes from a bitcast. 2016-09-06 06:56:59 +00:00
Transforms [Coroutines] Part12: Handle alloca address-taken 2016-09-05 23:45:45 +00:00
CMakeLists.txt
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LLVMBuild.txt
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