David Tweed
6e4a1bff34
There was a switch fall-through in the parser for textual LLVM that caused
...
bogus comparison operands to default to eq/oeq. Fix that, fix a couple of
tests that accidentally passed and test for bogus comparison opeartors
explicitly.
llvm-svn: 171733
2013-01-07 13:32:38 +00:00
Michael Ilseman
072e9fdbb9
New EarlyCSE tests for CSE-ing across commutativity.
...
llvm-svn: 165510
2012-10-09 16:58:13 +00:00
Eli Friedman
77682009bc
Fix regression from r151466: an we can't replace uses of an instruction reachable from the entry block with uses of an instruction not reachable from the entry block. PR12231.
...
llvm-svn: 152595
2012-03-13 01:06:07 +00:00
Eli Bendersky
4afdeeb682
Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.
...
Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches.
llvm-svn: 150664
2012-02-16 06:28:33 +00:00
Chris Lattner
9d1e8420ff
Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
...
llvm-svn: 145171
2011-11-27 06:54:59 +00:00
Eli Friedman
baf0f69f9a
Move "atomic" and "volatile" designations on instructions after the opcode
...
of the instruction.
Note that this change affects the existing non-atomic load and store
instructions; the parser now accepts both forms, and the change is noted
in the release notes.
llvm-svn: 137527
2011-08-12 22:50:01 +00:00
Chris Lattner
cd13979300
Duncan deftly points out that readnone functions aren't
...
invalidated by stores, so they can be handled as 'simple'
operations.
llvm-svn: 122785
2011-01-03 23:38:13 +00:00
Chris Lattner
c1ebe702b1
earlycse can do trivial with-a-block dead store
...
elimination as well. This deletes 60 stores in 176.gcc
that largely come from bitfield code.
llvm-svn: 122736
2011-01-03 04:17:24 +00:00
Chris Lattner
d19ae32f2f
now that loads are in their own table, we can implement
...
store->load forwarding. This allows EarlyCSE to zap 600 more
loads from 176.gcc.
llvm-svn: 122732
2011-01-03 03:46:34 +00:00
Chris Lattner
57b02a342e
add a testcase for readonly call CSE
...
llvm-svn: 122730
2011-01-03 03:33:47 +00:00
Chris Lattner
4cfdaa3f02
Teach EarlyCSE to do trivial CSE of loads and read-only calls.
...
On 176.gcc, this catches 13090 loads and calls, and increases the
number of simple instructions CSE'd from 29658 to 36208.
llvm-svn: 122727
2011-01-03 03:18:43 +00:00
Chris Lattner
39d1fb3320
add DEBUG and -stats output to earlycse.
...
Teach it to CSE the rest of the non-side-effecting instructions.
llvm-svn: 122716
2011-01-02 23:19:45 +00:00
Chris Lattner
dbad0b5e40
Enhance earlycse to do CSE of casts, instsimplify and die.
...
Add a testcase.
llvm-svn: 122715
2011-01-02 23:04:14 +00:00
