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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+30
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-30/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* Add address space mangling to lifetime intrinsicsMatt Arsenault2017-04-101-6/+6
| | | | | | In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
* [InstCombine] Remove trivially empty va_start/va_end and va_copy/va_end ranges.Arnaud A. de Grandmaison2016-05-101-0/+30
When a va_start or va_copy is immediately followed by a va_end (ignoring debug information or other start/end in between), then it is safe to remove the pair. As this code shares some commonalities with the lifetime markers, this has been factored to helper functions. This InstCombine pattern kicks-in 3 times when running the LLVM test suite. llvm-svn: 269033
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