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4 Commits

Author SHA1 Message Date
Jun Ma 54842fa0bb [CodeGenPrepare] Also skip lifetime.end intrinsic when check return block in dupRetToEnableTailCallOpts. 
Differential Revision: https://reviews.llvm.org/D95424
 2021-02-01 08:18:44 +08:00
Eric Christopher cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass."" 
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
 2019-04-17 04:52:47 +00:00
Eric Christopher a863435128 Temporarily Revert "Add basic loop fusion pass." 
As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546
 2019-04-17 02:12:23 +00:00
David Green 353cb3d4e5 [CodeGen] Enable tail calls for functions with NonNull attributes. 
Adding NonNull as attributes to returned pointers has the unfortunate side
effect of disabling tail calls. This patch ignores the NonNull attribute when
we decide whether to tail merge, in the same way that we ignore the NoAlias
attribute, as it has no affect on the call sequence.

Differential Revision: https://reviews.llvm.org/D52238

llvm-svn: 343091
 2018-09-26 10:46:18 +00:00