| Commit message (Collapse) | Author | Age | Files | Lines |
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values from all of the loop's exiting blocks are equal. Patch by Andrew Clinton.
llvm-svn: 126253
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which branch on undef to branch on a boolean constant for the edge
exiting the loop. This helps ScalarEvolution compute trip counts for
loops.
Teach ScalarEvolution to recognize single-value PHIs, when safe, and
ForgetSymbolicName to forget such single-value PHI nodes as apprpriate
in ForgetSymbolicName.
llvm-svn: 97126
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exact backedge taken count, when checking for infinite loops. This allows
it to delete loops with multiple exit conditions.
llvm-svn: 84952
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input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.
llvm-svn: 81537
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llvm-svn: 81531
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llvm-svn: 81257
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of using llvm-as, now that opt supports this.
llvm-svn: 81226
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loop deletion (it is for a ton of passes), which is very bad.
llvm-svn: 60465
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llvm-svn: 51349
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renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too.
llvm-svn: 51328
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llvm-svn: 51181
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llvm-svn: 50771
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llvm-svn: 50474
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