[DEBUGINFO, NVPTX] Emit correct debug information for local variables.
Summary:
NVPTX target dos not use register-based frame information. Instead it
relies on the artificial local_depot that is used instead of the frame
and the data for variables must be emitted relatively to this
local_depot.
Reviewers: tra, jlebar, echristo
Subscribers: jholewinski, aprantl, JDevlieghere, llvm-commits
Differential Revision: https://reviews.llvm.org/D45963
llvm-svn: 338039
diff --git a/llvm/lib/Target/NVPTX/NVPTXFrameLowering.cpp b/llvm/lib/Target/NVPTX/NVPTXFrameLowering.cpp
index 729f3ed..e5e6637 100644
--- a/llvm/lib/Target/NVPTX/NVPTXFrameLowering.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXFrameLowering.cpp
@@ -64,6 +64,14 @@
}
}
+int NVPTXFrameLowering::getFrameIndexReference(const MachineFunction &MF,
+ int FI,
+ unsigned &FrameReg) const {
+ const MachineFrameInfo &MFI = MF.getFrameInfo();
+ FrameReg = NVPTX::VRDepot;
+ return MFI.getObjectOffset(FI) - getOffsetOfLocalArea();
+}
+
void NVPTXFrameLowering::emitEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB) const {}