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0035f9c3b9
llvm-6502/include/llvm
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Bob Wilson 0035f9c3b9 pr4926: ARM requires the stack pointer to be aligned, even for leaf functions. 
For the AAPCS ABI, SP must always be 4-byte aligned, and at any "public
interface" it must be 8-byte aligned.  For the older ARM APCS ABI, the stack
alignment is just always 4 bytes.  For X86, we currently align SP at
entry to a function (e.g., to 16 bytes for Darwin), but no stack alignment
is needed at other times, such as for a leaf function.

After discussing this with Dan, I decided to go with the approach of adding
a new "TransientStackAlignment" field to TargetFrameInfo.  This value
specifies the stack alignment that must be maintained even in between calls.
It defaults to 1 except for ARM, where it is 4.  (Some other targets may
also want to set this if they have similar stack requirements. It's not
currently required for PPC because it sets targetHandlesStackFrameRounding
and handles the alignment in target-specific code.) The existing StackAlignment
value specifies the alignment upon entry to a function, which is how we've
been using it anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82767 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-25 14:41:49 +00:00
..
ADT Switch FoldingSet::AddString to StringRef based API. 2009-09-22 03:34:53 +00:00
Analysis Switch DIDescriptor to use a TrackingVH. - This makes it much safer to work with debug info, since it was extraordinarily easy to have dangling pointers thanks to MDNode uniquing. 2009-09-22 02:03:18 +00:00
Assembly Use MemoryBuffer::getBufferIdentifier() in the AsmPrinter instead 2009-09-08 22:20:35 +00:00
Bitcode Write and read metadata attachments. 2009-09-18 19:26:43 +00:00
CodeGen Update the description of MachineFrameInfo's OffsetAdjustment. The value of 2009-09-25 05:30:55 +00:00
CompilerDriver Distinguish between 'empty' and empty DAG marker. 2009-09-10 16:22:02 +00:00
Config re-apply r80197, now that iterator.h is not mentioned any more 2009-08-27 17:07:35 +00:00
Debugger Prune #includes from llvm/Linker.h and llvm/System/Path.h, 2009-08-23 22:45:37 +00:00
ExecutionEngine This void is implicit in C++. 2009-08-12 22:10:57 +00:00
MC Allow symbols to start from the digit if target requests it. This allows, e.g. pinning 2009-09-18 16:57:42 +00:00
Support add and document regex support for FileCheck. You can now do stuff like: 2009-09-24 21:47:32 +00:00
System Revert "Get rid of GetProcessId in Win32/Program.inc.", this breaks 2009-09-22 04:44:56 +00:00
Target pr4926: ARM requires the stack pointer to be aligned, even for leaf functions. 2009-09-25 14:41:49 +00:00
Transforms Add a new pass for doing late hoisting of floating-point and vector 2009-09-16 20:25:11 +00:00
AbstractTypeUser.h When a constant's type is refined, update the constant in place 2009-09-15 15:58:07 +00:00
Argument.h
Attributes.h Add an 'inline hint' attribute to represent source 2009-08-26 01:08:21 +00:00
AutoUpgrade.h Reapply 79977. 2009-08-28 23:24:31 +00:00
BasicBlock.h Add a comment. 2009-09-02 01:14:16 +00:00
CallGraphSCCPass.h Fix some nasty callgraph dangling pointer problems in 2009-08-31 00:19:58 +00:00
CallingConv.h
CMakeLists.txt
Constant.h Make LLVMContext and LLVMContextImpl classes instead of structs. 2009-08-11 17:45:13 +00:00
Constants.h Remove the default value for ConstantStruct::get's isPacked parameter and 2009-09-19 20:30:26 +00:00
DerivedTypes.h Actually privatize a IntegerTypes, and fix a few bugs exposed by this. 2009-08-13 23:27:32 +00:00
Function.h Retype from unsigned to CallingConv::ID accordingly. Approved by Bob Wilson. 2009-09-02 08:44:58 +00:00
GlobalAlias.h Public and private corrections, warned about by icc (#304). 2009-09-06 08:55:57 +00:00
GlobalValue.h
GlobalVariable.h Public and private corrections, warned about by icc (#304). 2009-09-06 08:55:57 +00:00
InlineAsm.h
InstrTypes.h Reappy r80998, now that the GlobalOpt bug that it exposed on MiniSAT is fixed. 2009-09-07 23:54:19 +00:00
Instruction.def
Instruction.h Rename Instruction::isIdenticalTo to Instruction::isIdenticalToWhenDefined, 2009-08-25 22:11:20 +00:00
Instructions.h Auto-upgrade malloc instructions to malloc calls. 2009-09-24 17:47:49 +00:00
IntrinsicInst.h Reapply 79977. 2009-08-28 23:24:31 +00:00
Intrinsics.h Make LLVMContext and LLVMContextImpl classes instead of structs. 2009-08-11 17:45:13 +00:00
Intrinsics.td Reapply 79977. 2009-08-28 23:24:31 +00:00
IntrinsicsAlpha.td
IntrinsicsARM.td Add new intrinsics for Neon vldN_lane and vstN_lane operations. 2009-08-22 02:28:46 +00:00
IntrinsicsBlackfin.td Remove unneeded intrinsics from Blackfin backend. 2009-08-02 21:49:05 +00:00
IntrinsicsCellSPU.td
IntrinsicsPowerPC.td
IntrinsicsX86.td Add sse4.2 string/text processing intrinsics. We'll select these later. 2009-08-14 20:27:57 +00:00
IntrinsicsXCore.td
LinkAllPasses.h Add a new pass for doing late hoisting of floating-point and vector 2009-09-16 20:25:11 +00:00
LinkAllVMCore.h Push LLVMContexts through the IntegerType APIs. 2009-08-13 21:58:54 +00:00
Linker.h Prune #includes from llvm/Linker.h and llvm/System/Path.h, 2009-08-23 22:45:37 +00:00
LLVMContext.h Add llvm::Metadata to manage metadata used in a context. 2009-09-16 18:09:00 +00:00
Metadata.h Do not leave behind metadata while cloning an instruction. 2009-09-23 18:32:25 +00:00
Module.h remove the std::ostream version of module and type printing. 2009-08-23 04:52:46 +00:00
ModuleProvider.h
OperandTraits.h Public and private corrections, warned about by icc (#304). 2009-09-06 08:55:57 +00:00
Operator.h add a helper method. 2009-09-21 05:52:45 +00:00
Pass.h Fix a typo in a comment. 2009-09-01 18:29:01 +00:00
PassAnalysisSupport.h
PassManager.h
PassManagers.h make -debug-pass=Executions show information about what call graph nodes 2009-09-15 05:03:04 +00:00
PassSupport.h Remove some unused fields. 2009-08-29 23:34:14 +00:00
SymbolTableListTraits.h
Type.h Clean up the minor mess I caused with removing iterator.h. I shall take care of 80-col violations and the FIXME later. (Thanks goodness that I live in another continent, so the monkeypox did not strike me :-) 2009-08-27 06:41:46 +00:00
TypeSymbolTable.h Don't search the entire type table just to delete a type by name. 2009-08-06 06:04:35 +00:00
Use.h eliminate all 80-col violations that I have introduced in my recent checkins (and some others more) 2009-08-27 23:44:33 +00:00
User.h
Value.h Do not leave behind metadata while cloning an instruction. 2009-09-23 18:32:25 +00:00
ValueSymbolTable.h revert r78048, it isn't worth using assertingvh here. 2009-08-04 23:07:12 +00:00