5 Commits

Author	SHA1	Message	Date
Juergen Ributzka	b12248e9cd	[AArch64][FastISel] Don't fold shifts with UB. ... We are already falling back to SelectionDAG when encountering an shift with UB. This adds the same checks for shifts with UB that get folded into arithmetic or logical operations. This fixes rdar://problem/22345295. llvm-svn: 245499	2015-08-19 20:52:55 +00:00
Mehdi Amini	945a660cbc	Change the fast-isel-abort option from bool to int to enable "levels" ... 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	2015-02-27 18:32:11 +00:00
Juergen Ributzka	3871c69422	[FastISel][AArch64] Fold mul into add/sub and logical operations. ... Try to fold the multiply into the add/sub or logical operations (when possible). This is related to rdar://problem/18369687. llvm-svn: 217978	2014-09-17 19:51:38 +00:00
Juergen Ributzka	85c1f84650	[FastISel][AArch64] Add support for non-native types for logical ops. ... Extend the logical ops selection to also support non-native types such as i1, i8, and i16. Fixes rdar://problem/18330589. llvm-svn: 217732	2014-09-13 23:46:28 +00:00
Juergen Ributzka	1dbc15f02d	[FastISel][AArch64] Add target-specific lowering for logical operations. ... This change adds support for immediate and shift-left folding into logical operations. This fixes rdar://problem/18223183. llvm-svn: 217118	2014-09-04 01:29:18 +00:00