Matthijs Kooijman d16918f843 Restructure dead argument elimination, try #3 :-) ... Rewrite the DeadArgumentElimination pass, to use a more explicit tracking of dependencies between return values and/or arguments. Also make the handling of arguments and return values the same. The pass now looks properly inside returned structs, but only at the first level (ie, not inside nested structs). This version fixed a few more bugs and was cleaned up a bit. It now passes all of LLVM's testing, and should still pass SPEC2006. There is still a minor bug with regard to returning nested structs. Since there is currently nothing that emits such IR, I will fix that in a seperate commit (partly because it requires a non-trivial fix). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53400 91177308-0d34-0410-b5e6-96231b3b80d8		2008-07-10 10:24:08 +00:00
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Analysis	Remove getValueRange from SCEV. It wasn't doing anything there anyways, and a	2008-07-09 03:21:51 +00:00
Archive	Create archives with the same permissions are ar.	2008-05-24 05:42:29 +00:00
AsmParser	Added MemOperands to Atomic operations since Atomics touches memory.	2008-06-25 08:15:39 +00:00
Bitcode	Add a little wrapper header that is put around bc files when emitting	2008-07-09 05:14:23 +00:00
CodeGen	- Change the horrible N^2 isRegReDefinedByTwoAddr. Now callers must supply the operand index of def machineoperand and at most one full scan of non-implicit operands is needed.	2008-07-10 07:35:43 +00:00
Debugger	- Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag.	2008-06-30 07:31:25 +00:00
ExecutionEngine	Add a new hidden option to the interpreter to cause it to print	2008-07-08 17:25:49 +00:00
Linker	The source and dest of an alias are *not* required to have the same type,	2008-07-10 01:09:33 +00:00
Support	Add some basic Pool-allocation infrastructure. This adds a Recycler class,	2008-07-07 22:58:06 +00:00
System	open plugins with RTLD_GLOBAL, pointed out by Bram Adams.	2008-07-10 00:52:20 +00:00
Target	Fix the build by adding a #include.	2008-07-10 01:44:27 +00:00
Transforms	Restructure dead argument elimination, try #3 :-)	2008-07-10 10:24:08 +00:00
VMCore	SImplify ConstantVector::get a bit and make it turn a vector	2008-07-10 00:44:03 +00:00
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