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LLVM backend for 6502
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a744a15e97
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Simon Pilgrim a744a15e97 [DagCombiner] Allow shuffles to merge through bitcasts 
Currently shuffles may only be combined if they are of the same type, despite the fact that bitcasts are often introduced in between shuffle nodes (e.g. x86 shuffle type widening).

This patch allows a single input shuffle to peek through bitcasts and if the input is another shuffle will merge them, shuffling using the smallest sized type, and re-applying the bitcasts at the inputs and output instead.

Dropped old ShuffleToZext test - this patch removes the use of the zext and vector-zext.ll covers these anyhow.

Differential Revision: http://reviews.llvm.org/D7939

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231380 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-05 17:14:04 +00:00
autoconf Revert r230812. Do not break builds for no reason. 2015-02-28 19:43:20 +00:00
bindings Restore LLVMLinkModules C API until it is properly deprecated. 2015-03-02 18:59:38 +00:00
cmake [sanitizer/coverage] Add AFL-style coverage counters (search heuristic for fuzzing). 2015-03-03 23:27:02 +00:00
docs FileCheck: Document CHECK-SAME, follow-up to r230612 2015-03-05 17:00:05 +00:00
examples Fix the build of the gold-plugin and examples. 2015-03-04 19:15:29 +00:00
include While reviewing the changes to Clang to add builtin support for the vsld, vsrd, and vsrad instructions, it was pointed out that the builtins are generating the LLVM opcodes (shl, lshr, and ashr) not calls to the intrinsics. This patch changes the implementation of the vsld, vsrd, and vsrad instructions from from intrinsics to VXForm_1 instructions and makes them legal with P8 Altivec. It also removes the definition of the int_ppc_altivec_vsld, int_ppc_altivec_vsrd, and int_ppc_altivec_vsrad intrinsics. 2015-03-05 16:24:38 +00:00
lib [DagCombiner] Allow shuffles to merge through bitcasts 2015-03-05 17:14:04 +00:00
projects Reverse the order libc++ and libc++abi are added in CMake. 2015-03-04 01:16:43 +00:00
test [DagCombiner] Allow shuffles to merge through bitcasts 2015-03-05 17:14:04 +00:00
tools Revert "[dsymutil] MSVC does generate move constructors, but it should accept to default them" 2015-03-05 05:29:05 +00:00
unittests Fix -Woverflow warning in unittest. 2015-03-05 14:43:15 +00:00
utils Revert "[TableGen] Implement at least some support for multiple explicit results in an instruction pattern. No functional change to existing patterns." 2015-03-05 07:17:52 +00:00
.arcconfig Updated phabricator server. 2014-04-07 03:57:04 +00:00
.clang-format Test commit. 2014-03-02 13:08:46 +00:00
.clang-tidy Enable display of compiler diagnostics in clang-tidy by default. 2014-10-29 17:29:38 +00:00
.gitignore Add one more vim swap file pattern 2015-01-30 21:59:28 +00:00
CMakeLists.txt Minor follow-ups to r229720 suggested on llvmdev 2015-02-27 18:22:46 +00:00
CODE_OWNERS.TXT Assume code ownership for the PS4 to ensure patches get reviewed, per the Developer Policy. 2015-01-28 18:33:39 +00:00
configure Revert r230812. Do not break builds for no reason. 2015-02-28 19:43:20 +00:00
CREDITS.TXT Rise from the dead and update personal info 2014-08-25 17:51:04 +00:00
LICENSE.TXT Remove projects/sample. 2014-03-12 22:40:22 +00:00
llvm.spec.in
LLVMBuild.txt Remove the very substantial, largely unmaintained legacy PGO 2013-10-02 15:42:23 +00:00
Makefile [configure/make] Propagate names of build host tools when making BuildTools 2014-03-25 21:45:41 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Add a check for misbehaving -Wcomment from gcc-4.7 and add 2014-11-05 00:35:15 +00:00
Makefile.rules Add support for SunOS function/data sections and associated 2015-03-03 20:54:29 +00:00
README.txt Revert test commit 2015-02-04 18:46:00 +00:00

README.txt 

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