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LLVM backend for 6502
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Nick Lewycky 614fef6d5a Make SCEV's brute force analysis stronger in two ways. Firstly, we should be 
able to constant fold load instructions where the argument is a constant.
Second, we should be able to watch multiple PHI nodes through the loop; this
patch only supports PHIs in loop headers, more can be done here.

With this patch, we now constant evaluate:
  static const int arr[] = {1, 2, 3, 4, 5};
  int test() {
    int sum = 0;
    for (int i = 0; i < 5; ++i) sum += arr[i];
    return sum;
  }


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142731 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-22 19:58:20 +00:00
autoconf autoconf: Introduce --with-clang-srcdir, to build out-of-tree clang as tools/clang on tools/Makefile. 2011-10-16 02:54:26 +00:00
bindings OCaml bindings: add some missing functions and testcases. 2011-10-14 20:38:33 +00:00
cmake Add -D__STDC_FORMAT_MACROS to use PRIx64. 2011-10-11 12:51:44 +00:00
docs Revert r141657 for now. This has broken css and changed links on llvm.org. I'd like to understand exactly why the links have changed and if a newer doxygen is required. This may be reapplied once we upgrade on llvm.org and it is fully tested. 2011-10-21 20:51:54 +00:00
examples Changed comments on foreign C++ exceptions (generated with type info 7), 2011-09-28 10:53:56 +00:00
include Use LLVMBool for a function that logically returns a boolean value. 2011-10-21 20:35:58 +00:00
lib Make SCEV's brute force analysis stronger in two ways. Firstly, we should be 2011-10-22 19:58:20 +00:00
projects Regenerate projects/sample/configure. 2011-10-18 23:10:58 +00:00
runtime Include direct.h for _mkdir on mingw32 too. 2011-10-08 15:49:19 +00:00
test Make SCEV's brute force analysis stronger in two ways. Firstly, we should be 2011-10-22 19:58:20 +00:00
tools llvm-objdump: Add static symbol table dumping. 2011-10-18 19:32:17 +00:00
unittests Enhance llvm::SourceMgr to support diagnostic ranges, the same way clang does. Enhance 2011-10-16 04:47:35 +00:00
utils Move various generated tables into read-only memory, fixing up const correctness along the way. 2011-10-22 16:50:00 +00:00
.gitignore Revert change made in .gitignore. 2011-09-24 01:37:58 +00:00
build-for-llvm-top.sh
CMakeLists.txt Build system infrastructure for multiple tblgens. 2011-10-06 01:51:51 +00:00
configure autoconf: Introduce --with-clang-srcdir, to build out-of-tree clang as tools/clang on tools/Makefile. 2011-10-16 02:54:26 +00:00
CREDITS.TXT Fix a typo.w 2011-10-22 18:44:51 +00:00
LICENSE.TXT
llvm.spec.in
Makefile Updating 'update' target to handle svn 1.7 'info' output. Patch by Jean-Danial Dupas! 2011-10-19 18:35:30 +00:00
Makefile.common
Makefile.config.in build: Remove some unused code. 2011-10-18 19:27:04 +00:00
Makefile.rules Makefile.rules: Let OPTIONAL_PARALLEL_DIRS accept out-of-tree absolute path. 2011-10-16 02:54:19 +00:00
ModuleInfo.txt
README.txt

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