[llvm] r359201 - [GlobalISel] Add a G_FNEARBYINT opcode

[Jessica Paquette via llvm-commits]

Author: paquette
Date: Thu Apr 25 09:36:03 2019
New Revision: 359201

URL: http://llvm.org/viewvc/llvm-project?rev=359201&view=rev
Log:
[GlobalISel] Add a G_FNEARBYINT opcode

For eventually selecting llvm.nearbyint. Equivalent to the SelectionDAG
nearbyint node.

Update legalizer-info-validation.mir.

Differential Revision: https://reviews.llvm.org/D60921

Modified:
    llvm/trunk/include/llvm/Support/TargetOpcodes.def
    llvm/trunk/include/llvm/Target/GenericOpcodes.td
    llvm/trunk/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
    llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir

Modified: llvm/trunk/include/llvm/Support/TargetOpcodes.def
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/TargetOpcodes.def?rev=359201&r1=359200&r2=359201&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/TargetOpcodes.def (original)
+++ llvm/trunk/include/llvm/Support/TargetOpcodes.def Thu Apr 25 09:36:03 2019
@@ -539,6 +539,9 @@ HANDLE_TARGET_OPCODE(G_FFLOOR)
 /// Floating point round to next integer.
 HANDLE_TARGET_OPCODE(G_FRINT)
 
+/// Floating point round to nearest integer.
+HANDLE_TARGET_OPCODE(G_FNEARBYINT)
+
 /// Generic AddressSpaceCast.
 HANDLE_TARGET_OPCODE(G_ADDRSPACE_CAST)
 

Modified: llvm/trunk/include/llvm/Target/GenericOpcodes.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/GenericOpcodes.td?rev=359201&r1=359200&r2=359201&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/GenericOpcodes.td (original)
+++ llvm/trunk/include/llvm/Target/GenericOpcodes.td Thu Apr 25 09:36:03 2019
@@ -599,6 +599,13 @@ def G_FRINT : GenericInstruction {
   let hasSideEffects = 0;
 }
 
+// Floating point round to the nearest integer.
+def G_FNEARBYINT : GenericInstruction {
+  let OutOperandList = (outs type0:$dst);
+  let InOperandList = (ins type0:$src1);
+  let hasSideEffects = 0;
+}
+
 //------------------------------------------------------------------------------
 // Opcodes for LLVM Intrinsics
 //------------------------------------------------------------------------------

Modified: llvm/trunk/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/GlobalISel/SelectionDAGCompat.td?rev=359201&r1=359200&r2=359201&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/GlobalISel/SelectionDAGCompat.td (original)
+++ llvm/trunk/include/llvm/Target/GlobalISel/SelectionDAGCompat.td Thu Apr 25 09:36:03 2019
@@ -96,6 +96,7 @@ def : GINodeEquiv<G_FABS, fabs>;
 def : GINodeEquiv<G_FSQRT, fsqrt>;
 def : GINodeEquiv<G_FFLOOR, ffloor>;
 def : GINodeEquiv<G_FRINT, frint>;
+def : GINodeEquiv<G_FNEARBYINT, fnearbyint>;
 
 // Broadly speaking G_LOAD is equivalent to ISD::LOAD but there are some
 // complications that tablegen must take care of. For example, Predicates such

Modified: llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir?rev=359201&r1=359200&r2=359201&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir (original)
+++ llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir Thu Apr 25 09:36:03 2019
@@ -350,6 +350,9 @@
 #
 # DEBUG-NEXT: G_FRINT (opcode {{[0-9]+}}): 1 type index
 # DEBUG: .. type index coverage check SKIPPED: user-defined predicate detected
+#
+# DEBUG-NEXT: G_FNEARBYINT (opcode {{[0-9]+}}): 1 type index
+# DEBUG: .. type index coverage check SKIPPED: no rules defined
 
 # CHECK-NOT: ill-defined