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12 Commits

Author SHA1 Message Date
Sanjay Patel 6a333c3ed9 [InstCombine] limit icmp transform to ConstantInt (PR28011) 
In r271810 ( http://reviews.llvm.org/rL271810 ), I loosened the check
above this to work for any Constant rather than ConstantInt. AFAICT, 
that part makes sense if we can determine that the shrunken/extended 
constant remained equal. But it doesn't make sense for this later 
transform where we assume that the constant DID change. 

This could assert for a ConstantExpr:
https://llvm.org/bugs/show_bug.cgi?id=28011

And it could be wrong for a vector as shown in the added regression test.

llvm-svn: 271908
 2016-06-06 16:56:57 +00:00
Sanjay Patel 027c469158 regenerate checks 
llvm-svn: 271904
 2016-06-06 16:03:06 +00:00
Eli Friedman 250b119d98 Allow instcombine to combine "sext(a) >u const" to "a >u trunc(const)". 
llvm-svn: 91631
 2009-12-17 22:42:29 +00:00
Edward O'Callaghan 484b6c2cfc Convert InstCombine tests from notcast to FileCheck. 
llvm-svn: 83825
 2009-10-12 06:14:06 +00:00
Dan Gohman c8054d90fb Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81293
 2009-09-09 00:09:15 +00:00
Dan Gohman 72a13d2476 Use opt -S instead of piping bitcode output through llvm-dis. 
llvm-svn: 81257
 2009-09-08 22:34:10 +00:00
Gabor Greif d01c562e48 Eliminate questionable syntax for stdin redirection. This probably also speeds things up a bit. 
llvm-svn: 51357
 2008-05-20 22:07:21 +00:00
Tanya Lattner aa6f5c9ddd Remove llvm-upgrade and update tests. 
llvm-svn: 48103
 2008-03-09 08:16:40 +00:00
Tanya Lattner 5640bd186a Remove llvm-upgrade and update test cases. 
llvm-svn: 47793
 2008-03-01 09:15:35 +00:00
Reid Spencer ede8c3b92c For PR1319: 
Make use of the END. facility on all files > 1K so that we aren't wasting CPU
cycles searching for RUN: lines that we'll never find.

llvm-svn: 36059
 2007-04-15 07:38:21 +00:00
Reid Spencer 91948d4cad For PR1319: 
Upgrade tests to work with new llvm.exp version of llvm_runtest.

llvm-svn: 36013
 2007-04-14 20:13:02 +00:00
Reid Spencer 83b3d82672 Regression is gone, don't try to find it on clean target. 
llvm-svn: 33296
 2007-01-17 07:59:14 +00:00