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4 Commits

Author SHA1 Message Date
Sanjoy Das
a96642d92a [IRCE] Create llvm::Loop instances for cloned out loops 
llvm-svn: 278618
 2016-08-14 01:04:46 +00:00
Sanjoy Das
ac0f2a4d82 [IRCE] Preserve loop-simplify form 
Fixes PR28764.  Right now there is no way to test this, but (as
mentioned on the PR) with Michael Zolotukhin's yet to be checked in
LoopSimplify verfier, 8 of the llvm-lit tests for IRCE crash.

llvm-svn: 277891
 2016-08-06 00:01:56 +00:00
Sanjoy Das
3b6800f5bc [IRCE] Don't misuse CHECK-LABEL; NFC 
llvm-svn: 276373
 2016-07-22 00:41:02 +00:00
Sanjoy Das
5255ead22b [IRCE] Optimize conjunctions of range checks 
After this change, we do the expected thing for cases like

```
Check0Passed = /* range check IRCE can optimize */
Check1Passed = /* range check IRCE can optimize */
if (!(Check0Passed && Check1Passed))
  throw_Exception();
```

llvm-svn: 270804
 2016-05-26 00:09:02 +00:00