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3 Commits

Author SHA1 Message Date
Jakub Staszak 1b1d523d9e - Use getExitingBlock instead of getExitingBlocks. 
- Remove trailing spaces.

llvm-svn: 146854
 2011-12-18 21:52:30 +00:00
Jakub Staszak f5b32e52db SplitBlockPredecessors uses ArrayRef instead of Data and Size. 
llvm-svn: 146277
 2011-12-09 21:19:53 +00:00
Andrew Trick d04d152998 Add -unroll-runtime for unrolling loops with run-time trip counts. 
Patch by Brendon Cahoon!

This extends the existing LoopUnroll and LoopUnrollPass. Brendon
measured no regressions in the llvm test suite with -unroll-runtime
enabled. This implementation works by using the existing loop
unrolling code to unroll the loop by a power-of-two (default 8). It
generates an if-then-else sequence of code prior to the loop to
execute the extra iterations before entering the unrolled loop.

llvm-svn: 146245
 2011-12-09 06:19:40 +00:00