caio/clang-p2996
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2 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
Owen Anderson
92651ec374 Fix an infinite alternation in JumpThreading where two transforms would repeatedly undo each other. The solution is to perform more aggressive constant folding to make one of the edges just folded away rather than trying to thread it. 
Fixes <rdar://problem/9284786>.

Discovered with CSmith.

llvm-svn: 129538
 2011-04-14 21:35:50 +00:00