[GISel][CallLowering] Make isIncomingArgumentHandler a pure virtual method
The default implementation of isIncomingArgumentHandler could lead
to generating incorrect code.
Make it a pure virtual method, so that targets know they have to
override it to produce correct code.
NFC
Differential Revision: https://reviews.llvm.org/D69187
llvm-svn: 375277
diff --git a/llvm/lib/Target/ARM/ARMCallLowering.cpp b/llvm/lib/Target/ARM/ARMCallLowering.cpp
index 52dba00..e465b66 100644
--- a/llvm/lib/Target/ARM/ARMCallLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMCallLowering.cpp
@@ -90,6 +90,8 @@
MachineInstrBuilder &MIB, CCAssignFn *AssignFn)
: ValueHandler(MIRBuilder, MRI, AssignFn), MIB(MIB) {}
+ bool isIncomingArgumentHandler() const override { return false; }
+
Register getStackAddress(uint64_t Size, int64_t Offset,
MachinePointerInfo &MPO) override {
assert((Size == 1 || Size == 2 || Size == 4 || Size == 8) &&