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5 Commits

Author SHA1 Message Date
Chris Lattner 6a144a2227 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
Dan Gohman ad3e8fda3b Revert r134366 and add an explicit triple to make this test host-independent. 
llvm-svn: 134447
 2011-07-05 22:09:19 +00:00
NAKAMURA Takumi bb2f28f41c test/CodeGen/X86/lsr-nonaffine.ll: Relax expressions for Win64 CC to appease Win32 hosts. 
llvm-svn: 134366
 2011-07-03 09:26:14 +00:00
Dan Gohman a293f24a0d Teach IVUsers to stop at non-affine expressions unless they are both 
outside the loop and reducible.

This more completely hides them from LSR, which isn't usually able to
do anything meaningful with non-affine expressions anyway, and this
consequently hides them from SCEVExpander, which is acutely unprepared
for non-affine expressions.

Replace test/CodeGen/X86/lsr-nonaffine.ll with a new test that tests
the new behavior.

This works around the bug in PR10117 / rdar://problem/9633149, and is
generally an improvement besides.

llvm-svn: 134268
 2011-07-01 22:05:19 +00:00
Dan Gohman 538b413ccb Fix normalization and de-normalization of non-affine SCEVs. 
llvm-svn: 105480
 2010-06-04 19:16:34 +00:00