GlobalISel: legalize frem to a libcall on AArch64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279988 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 3 deletions

diff --git a/include/llvm/CodeGen/GlobalISel/CallLowering.h b/include/llvm/CodeGen/GlobalISel/CallLowering.h
index c293ad25ea3..e96522493ae 100644
--- a/include/llvm/CodeGen/GlobalISel/CallLowering.h
+++ b/include/llvm/CodeGen/GlobalISel/CallLowering.h
@@ -88,9 +88,9 @@ class CallLowering {
   /// needs to be passed.
   ///
   /// \return true if the lowering succeeded, false otherwise.
-  virtual bool lowerCall(MachineIRBuilder &MIRBuilder, MachineOperand &Callee,
-                         ArrayRef<MVT> ResTys, ArrayRef<unsigned> ResRegs,
-                         ArrayRef<MVT> ArgTys,
+  virtual bool lowerCall(MachineIRBuilder &MIRBuilder,
+                         const MachineOperand &Callee, ArrayRef<MVT> ResTys,
+                         ArrayRef<unsigned> ResRegs, ArrayRef<MVT> ArgTys,
                          ArrayRef<unsigned> ArgRegs) const {
     return false;
   }
diff --git a/include/llvm/CodeGen/GlobalISel/MachineLegalizeHelper.h b/include/llvm/CodeGen/GlobalISel/MachineLegalizeHelper.h
index c3ba7354282..e0b2345888e 100644
--- a/include/llvm/CodeGen/GlobalISel/MachineLegalizeHelper.h
+++ b/include/llvm/CodeGen/GlobalISel/MachineLegalizeHelper.h
@@ -61,6 +61,9 @@ public:
   LegalizeResult legalizeInstr(MachineInstr &MI,
                                const MachineLegalizer &Legalizer);
 
+  /// Legalize an instruction by emiting a runtime library call instead.
+  LegalizeResult libcall(MachineInstr &MI);
+
   /// Legalize an instruction by reducing the width of the underlying scalar
   /// type.
   LegalizeResult narrowScalar(MachineInstr &MI, unsigned TypeIdx, LLT NarrowTy);