Chandler Carruth
90f124f420
Prevent a DAGCombine from firing where there are two uses of
...
a combined-away node and the result of the combine isn't substantially
smaller than the input, it's just canonicalized. This is the first part
of a significant (7%) performance gain for Snappy's hot decompression
loop.
llvm-svn: 147604
2012-01-05 11:05:55 +00:00
Chandler Carruth
75ff869d6a
Cleanup and FileCheck-ize a test.
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llvm-svn: 147603
2012-01-05 11:05:47 +00:00
Chris Lattner
01c6e93ea4
fix rdar://8494845 + PR8244 - a miscompile exposed by my patch in r101350
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llvm-svn: 115294
2010-10-01 05:36:09 +00:00
Dan Gohman
a08a9b8a0b
Reapply r106634, now that the bug it exposed is fixed.
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llvm-svn: 106746
2010-06-24 14:30:44 +00:00
Daniel Dunbar
be50ef88bd
Revert r106263, "Fold the ShrinkDemandedOps pass into the regular DAGCombiner pass,"... it was causing both 'file' (with clang) and 176.gcc (with llvm-gcc) to be miscompiled.
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llvm-svn: 106634
2010-06-23 17:09:26 +00:00
Dan Gohman
8185674354
Fold the ShrinkDemandedOps pass into the regular DAGCombiner pass,
...
which is faster, simpler, and less surprising.
llvm-svn: 106263
2010-06-18 01:05:21 +00:00
Dan Gohman
df2896d609
Eliminate more uses of llvm-as and llvm-dis.
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llvm-svn: 81290
2009-09-08 23:54:48 +00:00
Tanya Lattner
8116db05a6
Remove llvm-upgrade and update tests.
...
llvm-svn: 47432
2008-02-21 07:42:26 +00:00
Dan Gohman
794fa1f8f7
Convert tests using "| wc -l | grep ..." to use the count script.
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llvm-svn: 41097
2007-08-15 13:36:28 +00:00
Reid Spencer
9d19c17dab
For PR1319: Upgrade to new test harness.
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llvm-svn: 36091
2007-04-15 22:20:47 +00:00
Reid Spencer
4572ce85b0
Regression is gone, don't try to find it on clean target.
...
llvm-svn: 33296
2007-01-17 07:59:14 +00:00
