Add an ID field to StackObjects
On AMDGPU SGPR spills are really spilled to another register.
The spiller creates the spills to new frame index objects,
which is used as a placeholder.
This will eventually be replaced with a reference to a position
in a VGPR to write to and the frame index deleted. It is
most likely not a real stack location that can be shared
with another stack object.
This is a problem when StackSlotColoring decides it should
combine a frame index used for a normal VGPR spill with
a real stack location and a frame index used for an SGPR.
Add an ID field so that StackSlotColoring has a way
of knowing the different frame index types are
incompatible.
llvm-svn: 308673
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 017352a..b49df47 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -609,8 +609,9 @@
}
MachinePointerInfo MachinePointerInfo::getStack(MachineFunction &MF,
- int64_t Offset) {
- return MachinePointerInfo(MF.getPSVManager().getStack(), Offset);
+ int64_t Offset,
+ uint8_t ID) {
+ return MachinePointerInfo(MF.getPSVManager().getStack(), Offset,ID);
}
MachineMemOperand::MachineMemOperand(MachinePointerInfo ptrinfo, Flags f,