Andrew Trick 8dd26253f5 RegAlloc superpass: includes phi elimination, coalescing, and scheduling. ... Creates a configurable regalloc pipeline. Ensure specific llc options do what they say and nothing more: -reglloc=... has no effect other than selecting the allocator pass itself. This patch introduces a new umbrella flag, "-optimize-regalloc", to enable/disable the optimizing regalloc "superpass". This allows for example testing coalscing and scheduling under -O0 or vice-versa. When a CodeGen pass requires the MachineFunction to have a particular property, we need to explicitly define that property so it can be directly queried rather than naming a specific Pass. For example, to check for SSA, use MRI->isSSA, not addRequired<PHIElimination>. CodeGen transformation passes are never "required" as an analysis ProcessImplicitDefs does not require LiveVariables. We have a plan to massively simplify some of the early passes within the regalloc superpass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150226 91177308-0d34-0410-b5e6-96231b3b80d8		2012-02-10 04:10:36 +00:00
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Analysis	Add support for a temporary forward decl type. We want this so we	2012-02-08 00:22:26 +00:00
Archive	Avoid using an invalidated iterator.	2012-01-23 05:07:16 +00:00
AsmParser	Convert assert(0) to llvm_unreachable	2012-02-07 05:05:23 +00:00
Bitcode	Enable streaming of bitcode	2012-02-06 22:30:29 +00:00
CodeGen	RegAlloc superpass: includes phi elimination, coalescing, and scheduling.	2012-02-10 04:10:36 +00:00
DebugInfo	More dead code removal (using -Wunreachable-code)	2012-01-20 21:51:11 +00:00
ExecutionEngine	Convert assert(0) to llvm_unreachable	2012-02-07 05:05:23 +00:00
Linker	Convert assert(0) to llvm_unreachable	2012-02-07 05:05:23 +00:00
MC	Convert assert(0) to llvm_unreachable	2012-02-07 05:05:23 +00:00
Object	Object: avoid undefined behavior when bounds-checking	2012-02-04 02:41:39 +00:00
Support	Change default error_code ctor to a 'named ctor' so it's more self-documenting.	2012-02-09 19:24:12 +00:00
TableGen	Convert assert(0) to llvm_unreachable	2012-02-07 05:05:23 +00:00
Target	RegAlloc superpass: includes phi elimination, coalescing, and scheduling.	2012-02-10 04:10:36 +00:00
Transforms	Tweak comment readability and grammar.	2012-02-09 16:28:15 +00:00
VMCore	Added Pass::createPass(ID) to handle pass configuration by ID	2012-02-08 21:22:34 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile