[GlobalISel] Add a G_FRINT opcode
Equivalent to SelectionDAG's frint node.
Differential Revision: https://reviews.llvm.org/D60891
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358785 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Support/TargetOpcodes.def b/include/llvm/Support/TargetOpcodes.def
index 6612274..3513a43 100644
--- a/include/llvm/Support/TargetOpcodes.def
+++ b/include/llvm/Support/TargetOpcodes.def
@@ -536,6 +536,9 @@
/// Floating point floor.
HANDLE_TARGET_OPCODE(G_FFLOOR)
+/// Floating point round to next integer.
+HANDLE_TARGET_OPCODE(G_FRINT)
+
/// Generic AddressSpaceCast.
HANDLE_TARGET_OPCODE(G_ADDRSPACE_CAST)
diff --git a/include/llvm/Target/GenericOpcodes.td b/include/llvm/Target/GenericOpcodes.td
index e4b452e..ede632b 100644
--- a/include/llvm/Target/GenericOpcodes.td
+++ b/include/llvm/Target/GenericOpcodes.td
@@ -592,6 +592,13 @@
let hasSideEffects = 0;
}
+// Floating point round to next integer.
+def G_FRINT : GenericInstruction {
+ let OutOperandList = (outs type0:$dst);
+ let InOperandList = (ins type0:$src1);
+ let hasSideEffects = 0;
+}
+
//------------------------------------------------------------------------------
// Opcodes for LLVM Intrinsics
//------------------------------------------------------------------------------
diff --git a/include/llvm/Target/GlobalISel/SelectionDAGCompat.td b/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
index d6c7c6e..a6eb3b5 100644
--- a/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
+++ b/include/llvm/Target/GlobalISel/SelectionDAGCompat.td
@@ -95,6 +95,7 @@
def : GINodeEquiv<G_FABS, fabs>;
def : GINodeEquiv<G_FSQRT, fsqrt>;
def : GINodeEquiv<G_FFLOOR, ffloor>;
+def : GINodeEquiv<G_FRINT, frint>;
// Broadly speaking G_LOAD is equivalent to ISD::LOAD but there are some
// complications that tablegen must take care of. For example, Predicates such
diff --git a/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir b/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
index 88b6d57..1e198e4 100644
--- a/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
+++ b/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
@@ -346,6 +346,9 @@
# DEBUG: .. type index coverage check SKIPPED: user-defined predicate detected
#
# DEBUG-NEXT: G_FFLOOR (opcode {{[0-9]+}}): 1 type index
+# DEBUG: .. type index coverage check SKIPPED: user-defined predicate detected
+#
+# DEBUG-NEXT: G_FRINT (opcode 146): 1 type index
# DEBUG: .. type index coverage check SKIPPED: no rules defined
# CHECK-NOT: ill-defined