[llvm] r349686 - [AArch64] Improve Exynos predicates

[Evandro Menezes via llvm-commits]

Author: evandro
Date: Wed Dec 19 14:24:36 2018
New Revision: 349686

URL: http://llvm.org/viewvc/llvm-project?rev=349686&view=rev
Log:
[AArch64] Improve Exynos predicates

Expand the predicate `ExynosResetPred` to include all forms of immediate
moves.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64SchedPredExynos.td

Modified: llvm/trunk/lib/Target/AArch64/AArch64SchedPredExynos.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64SchedPredExynos.td?rev=349686&r1=349685&r2=349686&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64SchedPredExynos.td (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64SchedPredExynos.td Wed Dec 19 14:24:36 2018
@@ -88,12 +88,19 @@ def ExynosResetFn   : TIIPredicate<
                              [ADR, ADRP,
                               MOVNWi, MOVNXi,
                               MOVZWi, MOVZXi],
-                             MCReturnStatement<TruePred>>],
+                             MCReturnStatement<TruePred>>,
+                           MCOpcodeSwitchCase<
+                             [ORRWri, ORRXri],
+                             MCReturnStatement<
+                               CheckAll<
+                                 [CheckIsRegOperand<1>,
+                                  CheckAny<
+                                    [CheckRegOperand<1, WZR>,
+                                     CheckRegOperand<1, XZR>]>]>>>],
                           MCReturnStatement<
                             CheckAny<
                               [IsCopyIdiomFn,
-                               IsZeroFPIdiomFn,
-                               IsZeroIdiomFn]>>>>;
+                               IsZeroFPIdiomFn]>>>>;
 def ExynosResetPred : MCSchedPredicate<ExynosResetFn>;
 
 // Identify EXTR as the alias for ROR (immediate).