Do not assume that the module is set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83462 91177308-0d34-0410-b5e6-96231b3b80d8

Add a comment explaining how DenseMap::insert works, because it is not
intuitive.
It does NOT update the value if the key is already in the map,
it also returns false if the key is already in the map, regardless
if the value matched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83458 91177308-0d34-0410-b5e6-96231b3b80d8

Add PR to this FIXME, looks like I didn't commit this change after all.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83457 91177308-0d34-0410-b5e6-96231b3b80d8

Make getPointerTo return a const PointerType* rather than
an unqualified PointerType* because it seems more correct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83454 91177308-0d34-0410-b5e6-96231b3b80d8

INTRINSIC_W_CHAIN and INTRINSIC_VOID do not use MemSDNode. They
may access memory, but they don't carry a MachineMemOperand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83449 91177308-0d34-0410-b5e6-96231b3b80d8

Add FreeInst to the "is a call" check for Insts that are calls, but
not intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83441 91177308-0d34-0410-b5e6-96231b3b80d8

Fix this comment. The loop header is the loop entry point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83437 91177308-0d34-0410-b5e6-96231b3b80d8

Add PseudoSourceValues for constpool stuff on ELF (Darwin should use something similar)
and register spills.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83435 91177308-0d34-0410-b5e6-96231b3b80d8

While we still have a MallocInst treat it as a call like any other
for inlining.

When MallocInst goes away this code will be subsumed as part of
calls and work just fine...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83434 91177308-0d34-0410-b5e6-96231b3b80d8

Added bits of the ARM target assembler to llvm-mc to parse some load instruction
operands.  Some parsing of arm memory operands for preindexing and postindexing
forms including with register controled shifts.  This is a work in progress.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83424 91177308-0d34-0410-b5e6-96231b3b80d8

Add codegen support for NEON vld2 operations on quad registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83422 91177308-0d34-0410-b5e6-96231b3b80d8

Use copyRegToReg hook to copy registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83421 91177308-0d34-0410-b5e6-96231b3b80d8

r83391 was completely broken since Twines keep references to their inputs, and
some of the inputs were temporaries.  Here's a real fix for the miscompilation.
Thanks to sabre for pointing out the problem.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83417 91177308-0d34-0410-b5e6-96231b3b80d8

Update NEON struct names to match llvm-gcc changes.
(This is not required for correctness but might help with sanity.)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83415 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a comment typo.
Patch by Johnny Chen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83407 91177308-0d34-0410-b5e6-96231b3b80d8

Bugfix for the CommaSeparated option. The original code was adding the whole
string at the end of the list, instead of the last comma-separated string.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83405 91177308-0d34-0410-b5e6-96231b3b80d8

Update CMake file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83404 91177308-0d34-0410-b5e6-96231b3b80d8

Fix illegal cross-type aliasing. Found by baldrick on a newer gcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83401 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to handle debug info attached to an instruction.
This is not yet enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83400 91177308-0d34-0410-b5e6-96231b3b80d8

Make LLVMContext's pImpl member const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83393 91177308-0d34-0410-b5e6-96231b3b80d8

Instead of printing unnecessary basic block labels as labels in
verbose-asm mode, print comments instead. This eliminates a non-comment
difference between verbose-asm mode and non-verbose-asm mode.

Also, factor out the relevant code out of all the targets and into
target-independent code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83392 91177308-0d34-0410-b5e6-96231b3b80d8

Fix PR5112, a miscompilation on gcc-4.0.3.  Patch by Collin Winter!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83391 91177308-0d34-0410-b5e6-96231b3b80d8

remove predicate simplifier, it never got the last bugs beaten
out of it, and jump threading, condprop and gvn are now getting
most of the benefit.  This was approved by Nicholas and Nicolas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83390 91177308-0d34-0410-b5e6-96231b3b80d8

Remove xs1b predicate since it is no longer needed to differentiate betweem
xs1a and xs1b.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83383 91177308-0d34-0410-b5e6-96231b3b80d8

Remove xs1a subtarget. xs1a is a preproduction device used in
early development boards which is no longer supported in the
XMOS toolchain.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83381 91177308-0d34-0410-b5e6-96231b3b80d8

Default to the xs1b subtarget

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83380 91177308-0d34-0410-b5e6-96231b3b80d8

Introduce and use convenience methods for getting pointer types
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8

grammar

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83378 91177308-0d34-0410-b5e6-96231b3b80d8

Fix cut-n-pasto.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83367 91177308-0d34-0410-b5e6-96231b3b80d8

Update processDebugLoc() to handle requests to process debug info, before and after emitting instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83364 91177308-0d34-0410-b5e6-96231b3b80d8

Update processDebugLoc() so that it can be used to process debug info before and after printing an instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83363 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83362 91177308-0d34-0410-b5e6-96231b3b80d8

Add utility routine to set begin and end labels for DbgScopes.
This will be used by processDebugLoc().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83361 91177308-0d34-0410-b5e6-96231b3b80d8

Remove unintentional function decl.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83356 91177308-0d34-0410-b5e6-96231b3b80d8

Add utility routine to collect variable debug info. This is not yet used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83355 91177308-0d34-0410-b5e6-96231b3b80d8

Fix llvm.org/PR5116 by rolling back r60822.  This passes `make unittests
check-lit` on both x86-64 Linux and x86-32 Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83353 91177308-0d34-0410-b5e6-96231b3b80d8

Set default location for the function if it is not already set.
This code is not  yet enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83349 91177308-0d34-0410-b5e6-96231b3b80d8

Existence of a compile unit for input source file is a good indicator to check debug info's presence in a module.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83348 91177308-0d34-0410-b5e6-96231b3b80d8

If subprogram die is not available then construct new one.
This can happen if debug info is processed lazily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83347 91177308-0d34-0410-b5e6-96231b3b80d8

Add a test for http://llvm.org/PR3043.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83346 91177308-0d34-0410-b5e6-96231b3b80d8

Adjust context for the global variables that are not at file scope, e.g.
void foo() { static int bar = 42; }
Here, foo's DIE is parent of bar's DIE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83344 91177308-0d34-0410-b5e6-96231b3b80d8

Set address while constructing DIE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83343 91177308-0d34-0410-b5e6-96231b3b80d8

CMake misses a check for sbrk on NetBSD.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83341 91177308-0d34-0410-b5e6-96231b3b80d8

Extend ConstantFolding to understand signed overflow variants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83338 91177308-0d34-0410-b5e6-96231b3b80d8

In Thumb1, the register scavenger is not always able to use an emergency
spill slot. When frame references are via the frame pointer, they will be
negative, but Thumb1 load/store instructions only allow positive immediate
offsets. Instead, Thumb1 will spill to R12.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83336 91177308-0d34-0410-b5e6-96231b3b80d8

First test commit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83334 91177308-0d34-0410-b5e6-96231b3b80d8

Don't treat malloc calls with non-matching prototype as malloc.
Fixes second part of PR5130, miscompilation in FreeBSD kernel, where malloc takes 3 params,
and *does* initialize memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83324 91177308-0d34-0410-b5e6-96231b3b80d8

No newline at end of files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83318 91177308-0d34-0410-b5e6-96231b3b80d8

Gracefully handle various scopes while recording source line info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83317 91177308-0d34-0410-b5e6-96231b3b80d8

Remove an unnnecessary LLVMContext argument in
ConstantFoldLoadThroughGEPConstantExpr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83311 91177308-0d34-0410-b5e6-96231b3b80d8

Use Use::operator= instead of Use::set, for consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83310 91177308-0d34-0410-b5e6-96231b3b80d8

Remove explicit enum integer values. They don't appear to be needed, and
they make it less convenient to add new entries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83308 91177308-0d34-0410-b5e6-96231b3b80d8

Add RIP to GR64_NOREX. This fixed a MachineVerifier error when RIP
is used in an operand which requires GR64_NOREX.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83307 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a name in a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83306 91177308-0d34-0410-b5e6-96231b3b80d8

callgraph changes came after the 2.6 branch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83299 91177308-0d34-0410-b5e6-96231b3b80d8

strength reduce a ton of type equality tests to check the typeid (Through
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83297 91177308-0d34-0410-b5e6-96231b3b80d8

add more type predicates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83296 91177308-0d34-0410-b5e6-96231b3b80d8

teach the optimizer how to constant fold uadd/usub intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83295 91177308-0d34-0410-b5e6-96231b3b80d8

simplify this code a bunch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83294 91177308-0d34-0410-b5e6-96231b3b80d8

add some helper functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83293 91177308-0d34-0410-b5e6-96231b3b80d8

code simplifications.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83292 91177308-0d34-0410-b5e6-96231b3b80d8

Move implicit and paralle to a separate codegen specific section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83291 91177308-0d34-0410-b5e6-96231b3b80d8

instcombine shouldn't delete all null checks for mallocs.
This fixes PR5130.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83290 91177308-0d34-0410-b5e6-96231b3b80d8

stop MachineFunctionPass from claiming that it preserves LoopDependence info,
which causes dependence info to be linked into lli.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83289 91177308-0d34-0410-b5e6-96231b3b80d8

remove llvm-db: it is completely broken and if anyone wants to do a debugger,
they should not base it on llvm-db (which not following almost any "best practices").

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83288 91177308-0d34-0410-b5e6-96231b3b80d8

add some completely unformated and probably incoherent notes about things
I saw while reading all the commits between the 2.5 and 2.6 release branches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83287 91177308-0d34-0410-b5e6-96231b3b80d8

Do away with the strange use of BitVectors in SSI, and just use normal sets.  This makes the code much more C++/LLVM-ish.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83286 91177308-0d34-0410-b5e6-96231b3b80d8

Whitespace and formatting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83285 91177308-0d34-0410-b5e6-96231b3b80d8

Remove trailing whitespace from build output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83284 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a typo in the comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83283 91177308-0d34-0410-b5e6-96231b3b80d8

SSI needs to require DT and DF transitively, since it uses them outside of its runOnFunction.
Similarly, it can be marked setPreservesAll, since it does no work in its runOnFunction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83282 91177308-0d34-0410-b5e6-96231b3b80d8

CMake: remove .so file extension from library names when building
dependency info.

Patch by Peter Collingbourne!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83275 91177308-0d34-0410-b5e6-96231b3b80d8

Allow -inline-threshold override default threshold even if compiling to optimize for size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83274 91177308-0d34-0410-b5e6-96231b3b80d8

Rename enum NumOccurrences to NumOccurrencesFlag since there is a member named NumOccurrences.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83273 91177308-0d34-0410-b5e6-96231b3b80d8

Requires element types in a constant initializer to match the element types of
of the constant. This reverts r6544 and r7428.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83270 91177308-0d34-0410-b5e6-96231b3b80d8

Add a comment to describe letters used in multiclass name suffixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83257 91177308-0d34-0410-b5e6-96231b3b80d8

Fix encoding problem for VMLS instruction.
Thanks to Johnny Chen for pointing this out!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83256 91177308-0d34-0410-b5e6-96231b3b80d8

Oops. Renamed remaining MachineInstrIndex references.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83255 91177308-0d34-0410-b5e6-96231b3b80d8

Renamed MachineInstrIndex to LiveIndex.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83254 91177308-0d34-0410-b5e6-96231b3b80d8

Try to fix unit test linking on linux ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83252 91177308-0d34-0410-b5e6-96231b3b80d8

MingW build fixes

- MingW needs -lpsapi (in ${LIBS}) linked after -lLLVMSystem.
  Noticed by Ronald Pijnacker!

- Some parts of the System library must be build with exceptions on windows.
  Based on a patch by Jay Foad!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83251 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a use-after-free in post-ra-scheduling.

MI->addOperand invalidates references to it's operands, avoid touching
the operand after a new one was added.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83249 91177308-0d34-0410-b5e6-96231b3b80d8

Fix make rule when objdir is inside srcdir.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83243 91177308-0d34-0410-b5e6-96231b3b80d8

getFunctionAlignment should return log2 alignment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83242 91177308-0d34-0410-b5e6-96231b3b80d8

Fix tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83241 91177308-0d34-0410-b5e6-96231b3b80d8

Fix test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83240 91177308-0d34-0410-b5e6-96231b3b80d8

C++ member functions must be 2 byte aligned per ABI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83239 91177308-0d34-0410-b5e6-96231b3b80d8

Forgot about ARM::tPUSH. It also has a new writeback operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83237 91177308-0d34-0410-b5e6-96231b3b80d8

Move load / store multiple before post-alloc scheduling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83236 91177308-0d34-0410-b5e6-96231b3b80d8

Test case for aligned attribute on function declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83234 91177308-0d34-0410-b5e6-96231b3b80d8

All callee-saved registers are live-out of a return block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83223 91177308-0d34-0410-b5e6-96231b3b80d8

Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83218 91177308-0d34-0410-b5e6-96231b3b80d8

Expand api out in the usual inserter way, though, I do have a
question, can we get rid of the BasicBlock versions of all inserters
and use Head == 0 to indicate the old case when GetInsertBlock == 0?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83216 91177308-0d34-0410-b5e6-96231b3b80d8

Restore the -post-RA-scheduler flag as an override for the target specification. Remove -mattr for setting PostRAScheduler enable and instead use CPU string.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83215 91177308-0d34-0410-b5e6-96231b3b80d8

ARM::tPOP and tPOP_RET each has an extra writeback operand now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83214 91177308-0d34-0410-b5e6-96231b3b80d8

remove trailing whitespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83213 91177308-0d34-0410-b5e6-96231b3b80d8

Add support to extract lexical scope information from DebugLoc attached with an machine instruction.
This is not yet enabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83210 91177308-0d34-0410-b5e6-96231b3b80d8

Use MachineFrameInfo.getPristineRegs() to determine which callee-saved registers are available for anti-dependency breaking. Some cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83208 91177308-0d34-0410-b5e6-96231b3b80d8

 Record first and last instruction of a scope in DbgScope.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83207 91177308-0d34-0410-b5e6-96231b3b80d8

Don't use identifiers that start with an underscore followed
by a capital letter, which invokes undefined behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83206 91177308-0d34-0410-b5e6-96231b3b80d8