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* Change the fast-isel-abort option from bool to int to enable "levels"Mehdi Amini2015-02-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Summary: Currently fast-isel-abort will only abort for regular instructions, and just warn for function calls, terminators, function arguments. There is already fast-isel-abort-args but nothing for calls and terminators. This change turns the fast-isel-abort options into an integer option, so that multiple levels of strictness can be defined. This will help no being surprised when the "abort" option indeed does not abort, and enables the possibility to write test that verifies that no intrinsics are forgotten by fast-isel. Reviewers: resistor, echristo Subscribers: jfb, llvm-commits Differential Revision: http://reviews.llvm.org/D7941 From: Mehdi Amini <mehdi.amini@apple.com> llvm-svn: 230775
* [AArch64][FastISel] Fix kill flags for integer extends.Juergen Ributzka2014-11-101-0/+20
In the case we optimize an integer extend away and replace it directly with the source register, we also have to clear all kill flags at all its uses. This is necessary, because the orignal IR instruction might be trivially dead, but we replaced it with a nop at MI level. llvm-svn: 221628
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