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10 Commits

Author SHA1 Message Date
Chris Lattner 9338b0a1e2 merge two tests. 
llvm-svn: 108111
 2010-07-12 00:19:47 +00:00
Chris Lattner e3e6f4ce62 clean up tests. 
llvm-svn: 92776
 2010-01-05 21:32:59 +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
Dan Gohman 9737a63ed8 Change these tests to feed the assembly files to opt directly, instead 
of using llvm-as, now that opt supports this.

llvm-svn: 81226
 2009-09-08 16:50:01 +00:00
Dan Gohman bc0278400c 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.

llvm-svn: 57608
 2008-10-15 23:19:35 +00:00
Tanya Lattner 8bf97c2324 Byebye llvm-upgrade! 
llvm-svn: 48762
 2008-03-25 04:26:08 +00:00
Dale Johannesen 6480cc6f8c Change all floating constants that are not exactly 
representable to use hex format.

llvm-svn: 41722
 2007-09-05 17:50:36 +00:00
Chris Lattner 1399f64e3b oops, forgot to commit this. 
llvm-svn: 41034
 2007-08-12 16:55:14 +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