DAG: Add DAG argument to isFPExtFoldable

For AMDGPU this is dependent on the FP mode, which should eventually
not be a property of the subtarget.

2 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index b1018e8538e..47d10afa895 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -761,8 +761,8 @@ const GCNSubtarget *SITargetLowering::getSubtarget() const {
 //
 // There is only one special case when denormals are enabled we don't currently,
 // where this is OK to use.
-bool SITargetLowering::isFPExtFoldable(unsigned Opcode,
-                                           EVT DestVT, EVT SrcVT) const {
+bool SITargetLowering::isFPExtFoldable(const SelectionDAG &DAG, unsigned Opcode,
+                                       EVT DestVT, EVT SrcVT) const {
   return ((Opcode == ISD::FMAD && Subtarget->hasMadMixInsts()) ||
           (Opcode == ISD::FMA && Subtarget->hasFmaMixInsts())) &&
          DestVT.getScalarType() == MVT::f32 && !Subtarget->hasFP32Denormals() &&
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.h b/llvm/lib/Target/AMDGPU/SIISelLowering.h
index c3605a3f158..c99904c2783 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.h
@@ -222,7 +222,8 @@ public:
 
   const GCNSubtarget *getSubtarget() const;
 
-  bool isFPExtFoldable(unsigned Opcode, EVT DestVT, EVT SrcVT) const override;
+  bool isFPExtFoldable(const SelectionDAG &DAG, unsigned Opcode, EVT DestVT,
+                       EVT SrcVT) const override;
 
   bool isShuffleMaskLegal(ArrayRef<int> /*Mask*/, EVT /*VT*/) const override;