Chandler Carruth b65d715ac5 [SDAG] Fix a bug in the DAG combiner where we would fail to return the ... input node after manually adding it to the worklist and using CombineTo. Once we use CombineTo the input node may have been deleted. Despite this being *completely confusing* and somewhat broken, the only way to "correctly" return from a DAG combine after potentially deleting the input node is to return *that exact node*.... But really, this code should just never have used CombineTo. It won't do what it wants (returning the node as mentioned above just causes the combine to infloop). The correct way to combine away a casted load to a load of the correct type is to RAUW the chain directly and then return the loaded value to replace the actual value node. I managed to find this with the vector shuffle fuzzer even though it clearly has nothing at all to do with vector shuffles and rather those happen to trigger a load of a constant pool that hits this combine *just right*. I've included the test as it is small and a nice stress test that the infrastructure isn't asserting. llvm-svn: 215622		2014-08-14 08:18:34 +00:00
..
Analysis	Add @llvm.assume, lowering, and some basic properties	2014-07-25 21:13:35 +00:00
Assembler	verify-uselistorder: Change the default -num-shuffles=5	2014-07-31 18:46:24 +00:00
Bindings	[OCaml] Add Llvm.{string_of_const,const_element}.	2014-08-03 23:54:22 +00:00
Bitcode	Don't upgrade global constructors when reading bitcode	2014-08-12 16:46:37 +00:00
BugPoint	llvm/test/BugPoint/compile-custom.ll: Use explicit %python to invoke a test script, compile-custom.ll.py, for shebang-incapable hosts.	2014-07-11 14:44:10 +00:00
CodeGen	[SDAG] Fix a bug in the DAG combiner where we would fail to return the	2014-08-14 08:18:34 +00:00
DebugInfo	[FastISel][X86] Use XOR to materialize the "0" value.	2014-08-13 22:22:17 +00:00
ExecutionEngine	Add missing Interpreter intrinsic lowering for sin, cos and ceil	2014-08-08 15:00:12 +00:00
Feature	Use "weak alias" instead of "alias weak"	2014-07-30 22:51:54 +00:00
FileCheck	FileCheck: Add a flag to allow checking empty input	2014-08-07 18:40:37 +00:00
Instrumentation	Revert r215415 which causse MSan to crash on a great deal of C++ code.	2014-08-13 09:19:39 +00:00
Integer
JitListener
Linker	Don't upgrade global constructors when reading bitcode	2014-08-12 16:46:37 +00:00
LTO	Change the default input for llvm-nm to be a.out instead of standard input	2014-06-23 20:27:53 +00:00
MC	MC: AsmLexer: handle multi-character CommentStrings correctly	2014-08-14 02:51:43 +00:00
Object	pr20589: Fix duplicated arch flag.	2014-08-08 16:18:29 +00:00
Other	Don't internalize all but main by default.	2014-08-05 20:10:38 +00:00
TableGen	llvm/test/TableGen/*Foreach*.td: Remove XFAIL:vg_leak. They have not been failing since r215176.	2014-08-12 14:06:21 +00:00
tools	Make the test a bit more strict.	2014-08-12 15:55:27 +00:00
Transforms	InstCombine: ((A | ~B) ^ (~A | B)) to A ^ B	2014-08-14 06:46:25 +00:00
Unit	Let test/Unit/lit.cfg add config.shlibdir to $PATH on DLL platforms like cygming.	2014-07-04 05:11:55 +00:00
Verifier	Use "weak alias" instead of "alias weak"	2014-07-30 22:51:54 +00:00
YAMLParser
.clang-format
CMakeLists.txt	Rename llvm-uselistorder => verify-uselistorder	2014-07-30 17:11:27 +00:00
lit.cfg	Temporarily Revert "Nuke the old JIT." as it's not quite ready to	2014-08-07 22:02:54 +00:00
lit.site.cfg.in	Add missing Interpreter intrinsic lowering for sin, cos and ceil	2014-08-08 15:00:12 +00:00
Makefile	Fix (re-)creation of unittest lit.site.cfg for clang-tools-extra.	2014-08-13 20:41:26 +00:00
Makefile.tests
TestRunner.sh