Initial checkin of crtend.o implementation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6187 91177308-0d34-0410-b5e6-96231b3b80d8

New file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6186 91177308-0d34-0410-b5e6-96231b3b80d8

Fix major problem with appending linkage changes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6185 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6184 91177308-0d34-0410-b5e6-96231b3b80d8

Search LLVM_LIB_SEARCH_PATH for objects to allow it to find crtend.o
Implement minor library linking optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6181 91177308-0d34-0410-b5e6-96231b3b80d8

Implement another getelementptr folding opportunity that arises when
linking stuff with appending linkage

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6180 91177308-0d34-0410-b5e6-96231b3b80d8

Eliminate using declarations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6179 91177308-0d34-0410-b5e6-96231b3b80d8

Implement linkage of appending global variables!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6178 91177308-0d34-0410-b5e6-96231b3b80d8

Add uses of the appending variable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6177 91177308-0d34-0410-b5e6-96231b3b80d8

Add new testcase for appending linkage

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6176 91177308-0d34-0410-b5e6-96231b3b80d8

New test for appending linkage

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6175 91177308-0d34-0410-b5e6-96231b3b80d8

Clean up cast

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6174 91177308-0d34-0410-b5e6-96231b3b80d8

Clean up #includes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6173 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: CBackend/2003-05-13-VarArgFunction.ll
In C, a prototype with no arguments is varargs.  A prototype that takes void
has zero args.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6172 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6171 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for the LLVM C++ frontend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6167 91177308-0d34-0410-b5e6-96231b3b80d8

Make test cases executable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6166 91177308-0d34-0410-b5e6-96231b3b80d8

Make testcase executable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6165 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6164 91177308-0d34-0410-b5e6-96231b3b80d8

Add test for handling ptrmem_cst

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6163 91177308-0d34-0410-b5e6-96231b3b80d8

Make test more interesting

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6162 91177308-0d34-0410-b5e6-96231b3b80d8

Add first C++ test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6161 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: Dominators/2003-05-12-UnreachableCode.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6158 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6157 91177308-0d34-0410-b5e6-96231b3b80d8

New file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6156 91177308-0d34-0410-b5e6-96231b3b80d8

Add a disable-verify option

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6155 91177308-0d34-0410-b5e6-96231b3b80d8

Move static stuff to an anonymous namespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6154 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: LoopPreheaders/2003-05-12-PreheaderExitOfChild.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6153 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6152 91177308-0d34-0410-b5e6-96231b3b80d8

Make abort more explicit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6151 91177308-0d34-0410-b5e6-96231b3b80d8

Remove the assertion failure of course... doh

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6150 91177308-0d34-0410-b5e6-96231b3b80d8

Enable more tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6149 91177308-0d34-0410-b5e6-96231b3b80d8

Implement casts from unsigned integers to floating point

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6148 91177308-0d34-0410-b5e6-96231b3b80d8

Add tests for casts from unsigned integers to floats

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6147 91177308-0d34-0410-b5e6-96231b3b80d8

Make error messages more useful than jsut an abort

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6146 91177308-0d34-0410-b5e6-96231b3b80d8

Remove wierd printout

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6145 91177308-0d34-0410-b5e6-96231b3b80d8

Use a kill, not a dead definition, update comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6131 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug: CWriter/2003-05-12-IntegerSizeWarning.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6128 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6127 91177308-0d34-0410-b5e6-96231b3b80d8

Make regression tests fail if any warnings are emitted

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6126 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Bug: ConstProp/2003-05-12-DivideError.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6125 91177308-0d34-0410-b5e6-96231b3b80d8

Testcase which kills the constant folder

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6124 91177308-0d34-0410-b5e6-96231b3b80d8

Fix Bug: Assembler/2003-05-12-MinIntProblem.llx

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6123 91177308-0d34-0410-b5e6-96231b3b80d8

New bug distilled from aha program

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6122 91177308-0d34-0410-b5e6-96231b3b80d8

Print filename correctly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6119 91177308-0d34-0410-b5e6-96231b3b80d8

The JIT is the default mode for LLI now

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6118 91177308-0d34-0410-b5e6-96231b3b80d8

* Keep LiveVariable information more up-to-date and consistent
* *** Finally mark values that are inputs to PHIs as killed when appropriate.
   This should make the generated code quite a bit better.  For example, the
   local-ra will not have to spill PHI inputs at the end of predecessor BB's
   anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6117 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug where we could iterate off the end of a basic block

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6116 91177308-0d34-0410-b5e6-96231b3b80d8

* Keep the BBMap around as long as the pass is live
* Change getVarInfo to take real virtual register numbers and offset them
  itself.  This has caused me so much grief, it's not even funny.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6115 91177308-0d34-0410-b5e6-96231b3b80d8

Beef up interface, move getVarInfo out-of-line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6114 91177308-0d34-0410-b5e6-96231b3b80d8

Do not insert multiple initializations for the same value in a PHI node

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6113 91177308-0d34-0410-b5e6-96231b3b80d8

Fix N^2 algorithm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6112 91177308-0d34-0410-b5e6-96231b3b80d8

Add old test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6111 91177308-0d34-0410-b5e6-96231b3b80d8

* Fix several comments
* Update LiveVar info better, fixing bug: Jello/2003-05-11-PHIRegAllocBug.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6110 91177308-0d34-0410-b5e6-96231b3b80d8

Fix tab infestation!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6109 91177308-0d34-0410-b5e6-96231b3b80d8

Expand API for updating live var info.
Expose iterators, not const-iterators.
Rename method that was VERY misleading

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6108 91177308-0d34-0410-b5e6-96231b3b80d8

Simplify testcase a bit more

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6107 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase that crashes Jello

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6106 91177308-0d34-0410-b5e6-96231b3b80d8

Make sure that globals are emitted AFTER the passmanager is set up for the JIT,
because the globals may refer to functions that need to be compiled!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6105 91177308-0d34-0410-b5e6-96231b3b80d8

Checkin old test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6102 91177308-0d34-0410-b5e6-96231b3b80d8

Add info about the LLVM_LIB_SEARCH_PATH envvar

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6096 91177308-0d34-0410-b5e6-96231b3b80d8

Remove dead makefile code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6095 91177308-0d34-0410-b5e6-96231b3b80d8

Switch over to using the New CFE on Sparc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6094 91177308-0d34-0410-b5e6-96231b3b80d8

* Remove dead hunk of makefile fragment for dealing with sun compiler
* Move LLC code gen stuff into test/Programs/Makefile.programs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6089 91177308-0d34-0410-b5e6-96231b3b80d8

Allow llx tests as well

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6088 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a halfway done change to the nightly tester :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6084 91177308-0d34-0410-b5e6-96231b3b80d8

Get the nightly tester to detect other kind of testing problems

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6083 91177308-0d34-0410-b5e6-96231b3b80d8

switch main LLI core execution to use an InstVisitor instead of a switch statement

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6081 91177308-0d34-0410-b5e6-96231b3b80d8

Force overwriting the file if it already exists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6080 91177308-0d34-0410-b5e6-96231b3b80d8

Update column info

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6079 91177308-0d34-0410-b5e6-96231b3b80d8

Fix testcase: SingleSource/UnitTests/2003-05-02-DependantPHI.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6074 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6072 91177308-0d34-0410-b5e6-96231b3b80d8

Update out of date comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6070 91177308-0d34-0410-b5e6-96231b3b80d8

Updates to match recent timer updates

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6069 91177308-0d34-0410-b5e6-96231b3b80d8

Add a new info-output-file option (hidden from --help) which is to be used by
the testing scripts  to avoid breaking diffs while still gathering stats.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6067 91177308-0d34-0410-b5e6-96231b3b80d8

Enable the new C front-end for targets which define LLVMGCCARCH

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6065 91177308-0d34-0410-b5e6-96231b3b80d8

Switch over to using the new C front-end by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6064 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for function stubs, which allow calling functions which need to
have an address available, but have not yet been code generated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6059 91177308-0d34-0410-b5e6-96231b3b80d8

Add new method to check to see if a global is available

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6058 91177308-0d34-0410-b5e6-96231b3b80d8

This blank line has GOT to go.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6057 91177308-0d34-0410-b5e6-96231b3b80d8

Allow const functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6056 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug in last checkin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6055 91177308-0d34-0410-b5e6-96231b3b80d8

Add methods for stub function generation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6054 91177308-0d34-0410-b5e6-96231b3b80d8

Add new methods for stub generation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6053 91177308-0d34-0410-b5e6-96231b3b80d8

Minor speedup by avoiding callbacks to functions already generated

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6052 91177308-0d34-0410-b5e6-96231b3b80d8

Improve efficiency of JIT by having it use direct function calls instead of
signals to regain control from the executing code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6051 91177308-0d34-0410-b5e6-96231b3b80d8

assert early instead of late for unimplemented feature

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6050 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for Add, Sub, And, Or, & Xor constant exprs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6049 91177308-0d34-0410-b5e6-96231b3b80d8

Remvoe testcase that should never be implemented

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6048 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6047 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for variable argument functions!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6046 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for variable argument functions!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6044 91177308-0d34-0410-b5e6-96231b3b80d8

Implement varargs support for LLI!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6043 91177308-0d34-0410-b5e6-96231b3b80d8

Add a pointersize/endianness safe load routine to match the store routine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6042 91177308-0d34-0410-b5e6-96231b3b80d8

A large number of simple changes:
  * s/Method/Function
  * Kill some obsolete (external) functions that used to be to support tracing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6041 91177308-0d34-0410-b5e6-96231b3b80d8

Add support for recording arguments passed through the ... of a varargs function

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6040 91177308-0d34-0410-b5e6-96231b3b80d8

va_start only takes on argument now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6039 91177308-0d34-0410-b5e6-96231b3b80d8

llvm.va_start only takes on argument now
Verify that va_start doesn't occur in functions with no varargs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6038 91177308-0d34-0410-b5e6-96231b3b80d8

Update information about the switch instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6037 91177308-0d34-0410-b5e6-96231b3b80d8

* Add information about LLVM intrinsics
* Add information about the va_arg instruction
* Add information about the llvm.va_* intrinsics

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6036 91177308-0d34-0410-b5e6-96231b3b80d8