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llvm-mirror/lib
Nate Begeman 713062e756 Add the minimal amount of smarts necessary to instcombine of shufflevectors to recognize
patterns generated by clang for transpose of a matrix in generic vectors.  This is made
of two parts:

1) Propagating vector extracts of hi/lo half into their users
2) Recognizing an insertion of even elements followed by the odd elements as an unpack.

Testcase to come, but this shrinks the # of shuffle instructions generated on x86 from ~40 to the minimal 8.

llvm-svn: 110734
2010-08-10 21:38:12 +00:00
..
Analysis Add missing argument. CreateCompositeTypeEx() users, please verify. 2010-08-10 20:22:49 +00:00
Archive
AsmParser Don't print the filename twice in file-not-found errors. 2010-08-04 01:13:48 +00:00
Bitcode Reapply r110396, with fixes to appease the Linux buildbot gods. 2010-08-06 18:33:48 +00:00
CodeGen Turn optimize compares back on with fix. We needed to test that a machine op was 2010-08-10 21:38:11 +00:00
CompilerDriver Fix silent failure with no input files. 2010-07-27 11:19:40 +00:00
ExecutionEngine Stop the JIT from refusing to work just because the program it was compiled into 2010-08-09 07:20:20 +00:00
Linker Make NamedMDNode not be a subclass of Value, and simplify the interface 2010-07-21 23:38:33 +00:00
MC MC/AsmParser: Fix a bug in macro argument parsing, which was dropping 2010-08-10 17:38:52 +00:00
Support Fix a couple of warnings. 2010-08-08 00:00:34 +00:00
System Mark this variable as used. 2010-08-10 10:39:25 +00:00
Target Turn optimize compares back on with fix. We needed to test that a machine op was 2010-08-10 21:38:11 +00:00
Transforms Add the minimal amount of smarts necessary to instcombine of shufflevectors to recognize 2010-08-10 21:38:12 +00:00
VMCore Reject unrepresentable pointer types in intrinsics. Fixes PR7316. 2010-08-08 06:12:09 +00:00
Makefile