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-rw-r--r--lib/CodeGen/PrologEpilogInserter.cpp20
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp
index e073e6a..5334a63 100644
--- a/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/lib/CodeGen/PrologEpilogInserter.cpp
@@ -30,6 +30,7 @@
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/StackProtector.h"
+#include "llvm/CodeGen/WinEHFuncInfo.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/LLVMContext.h"
@@ -752,6 +753,25 @@ void PEI::replaceFrameIndices(MachineFunction &Fn) {
const TargetFrameLowering &TFI = *Fn.getSubtarget().getFrameLowering();
if (!TFI.needsFrameIndexResolution(Fn)) return;
+ MachineModuleInfo &MMI = Fn.getMMI();
+ const Function *F = Fn.getFunction();
+ const Function *ParentF = MMI.getWinEHParent(F);
+ unsigned FrameReg;
+ if (F == ParentF) {
+ WinEHFuncInfo &FuncInfo = MMI.getWinEHFuncInfo(Fn.getFunction());
+ // FIXME: This should be unconditional but we have bugs in the preparation
+ // pass.
+ if (FuncInfo.UnwindHelpFrameIdx != INT_MAX)
+ FuncInfo.UnwindHelpFrameOffset = TFI.getFrameIndexReferenceFromSP(
+ Fn, FuncInfo.UnwindHelpFrameIdx, FrameReg);
+ } else if (MMI.hasWinEHFuncInfo(F)) {
+ WinEHFuncInfo &FuncInfo = MMI.getWinEHFuncInfo(Fn.getFunction());
+ auto I = FuncInfo.CatchHandlerParentFrameObjIdx.find(F);
+ if (I != FuncInfo.CatchHandlerParentFrameObjIdx.end())
+ FuncInfo.CatchHandlerParentFrameObjOffset[F] =
+ TFI.getFrameIndexReferenceFromSP(Fn, I->second, FrameReg);
+ }
+
// Store SPAdj at exit of a basic block.
SmallVector<int, 8> SPState;
SPState.resize(Fn.getNumBlockIDs());