Dan Gohman 2276a7bc8e Teach instcombine's visitLoad to scan back several instructions ... to find opportunities for store-to-load forwarding or load CSE, in the same way that visitStore scans back to do DSE. Also, define a new helper function for testing whether the addresses of two memory accesses are known to have the same value, and use it in both visitStore and visitLoad. These two changes allow instcombine to eliminate loads in code produced by front-ends that frequently emit obviously redundant addressing for memory references. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57608 91177308-0d34-0410-b5e6-96231b3b80d8		2008-10-15 23:19:35 +00:00
..
Analysis	Rationalize the names of passes that print information:	2008-09-23 12:47:39 +00:00
Archive	sabre brings to my attention that the 'tr' suffix is also obsolete	2008-05-20 21:00:03 +00:00
Assembler	Fix the .ll grammar rules to allow any type before an 'i32', not just an	2008-10-15 06:16:45 +00:00
Bindings/Ocaml	PR2731: C and Ocaml bindings for setTailCall and isTailCall.	2008-08-30 16:34:54 +00:00
Bitcode	Eliminate x86.sse2.punpckh.qdq and x86.sse2.punpckl.qdq.	2008-05-24 02:56:30 +00:00
BugPoint	this is unneeded now.	2008-06-16 04:25:39 +00:00
CodeGen	Testcase for PR1638.	2008-10-15 18:27:15 +00:00
DebugInfo	Testcase for debug info from data-only files.	2008-07-08 21:57:56 +00:00
ExecutionEngine	Add a test case for APInt bug fix in r51999.	2008-06-05 13:42:21 +00:00
Feature	Put CPPBackend tests into their own directory and run them only if they're	2008-07-10 22:35:32 +00:00
FrontendAda	Teach constant folding that an inttoptr of a	2008-08-13 20:20:35 +00:00
FrontendC	new testcase for PR2797	2008-10-14 06:56:04 +00:00
FrontendC++	XFAIL some tests that became failing due to the extra error reporting recently. PR's are created for these.	2008-06-13 16:52:35 +00:00
FrontendFortran	Regression test for PR2443.	2008-06-27 14:22:20 +00:00
FrontendObjC	fix filetype suffix	2008-10-07 06:41:02 +00:00
FrontendObjC++	This is an objective-c test, not an objective-c++ one.	2008-10-06 18:42:48 +00:00
Integer	Fix some escaping and quoting in RUN lines, mainly involving { and <. In two	2008-06-10 16:04:47 +00:00
lib	add support for running the test suite with valgrind. to run it just type 'make VG=1', as in clang	2008-10-07 14:48:14 +00:00
Linker	Add global variable to test for consistency	2008-10-15 20:22:44 +00:00
LLVMC	Renaming LLVMC/dg.exp to LLVM/llvmc.exp	2008-08-14 23:37:58 +00:00
Other	Testcase for PR2894.	2008-10-15 22:34:34 +00:00
Scripts	simplify shell syntax to work better on solaris, patch by	2008-06-25 16:03:42 +00:00
TableGen	For all RUN lines starting with "not", redirect stderr to /dev/null so tests	2008-06-10 12:57:32 +00:00
Transforms	Teach instcombine's visitLoad to scan back several instructions	2008-10-15 23:19:35 +00:00
Verifier	Diagnose uses of unsized types with the byval attribute in the	2008-08-27 14:48:06 +00:00
Makefile	add support for running the test suite with valgrind. to run it just type 'make VG=1', as in clang	2008-10-07 14:48:14 +00:00
Makefile.tests
TestRunner.sh	Fix a bashism in TestRunner.sh.	2008-07-28 18:41:03 +00:00