llvm/test
Jingyue Wu d43e6df10b [MachineSink] Use the real post dominator tree
Summary:
Fixes a FIXME in MachineSinking. Instead of using the simple heuristics
in isPostDominatedBy, use the real MachinePostDominatorTree. The old
heuristics caused instructions to sink unnecessarily, and might create
register pressure.

Test Plan:
Added a NVPTX codegen test to verify that our change is in effect. It also
shows the unnecessary register pressure caused by over-sinking. Updated
affected tests in AArch64 and X86.

Reviewers: eliben, meheff, Jiangning

Reviewed By: Jiangning

Subscribers: jholewinski, aemerson, mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D4814



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216862 91177308-0d34-0410-b5e6-96231b3b80d8
2014-09-01 03:47:25 +00:00
..
Analysis
Assembler Declare that musttail calls in variadic functions forward the ellipsis 2014-08-26 00:33:28 +00:00
Bindings
Bitcode Teach llvm-bcanalyzer to use one stream's BLOCKINFO to read another stream. 2014-08-30 17:07:55 +00:00
BugPoint
CodeGen [MachineSink] Use the real post dominator tree 2014-09-01 03:47:25 +00:00
DebugInfo DebugInfo: Elide lexical scopes which only contain other (inline or lexical) scopes. 2014-08-31 21:26:22 +00:00
ExecutionEngine [PATCH][Interpreter] Add missing FP intrinsic lowering. 2014-08-30 18:33:35 +00:00
Feature
FileCheck
Instrumentation [dfsan] Fix non-determinism bug in non-zero label check annotator. 2014-08-22 01:18:18 +00:00
Integer
JitListener
Linker Debug info: Add a new explicit DIDescriptor flag for the "public" access 2014-08-29 22:44:07 +00:00
LTO
MC Fix typos in comments, NFC 2014-08-29 21:53:01 +00:00
Object
Other Teach llvm-bcanalyzer to use one stream's BLOCKINFO to read another stream. 2014-08-30 17:07:55 +00:00
TableGen Tablegen fixes for new syntax when initializing bits from variables. 2014-08-29 19:41:04 +00:00
tools Object/llvm-objdump: allow dumping of mach-o exports trie 2014-08-30 00:20:14 +00:00
Transforms Fix AddAliasScopeMetadata to not add scopes when deriving from unknown pointers 2014-08-30 12:48:33 +00:00
Unit
Verifier Verifier: Don't reject varargs callee cleanup functions 2014-08-29 21:25:28 +00:00
YAMLParser
.clang-format
CMakeLists.txt
lit.cfg Introduce -DLLVM_USE_SANITIZER=Undefined CMake option to build UBSan-ified version of LLVM/Clang. 2014-08-29 00:50:36 +00:00
lit.site.cfg.in
Makefile
Makefile.tests
TestRunner.sh