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-rw-r--r--lib/CodeGen/CodeGenFunction.h15
1 files changed, 7 insertions, 8 deletions
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 42de9fb62e..722d002c19 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -189,10 +189,12 @@ private:
/// labels inside getIDForAddrOfLabel().
std::map<const LabelStmt*, unsigned> LabelIDs;
- /// IndirectSwitches - Record the list of switches for indirect
- /// gotos. Emission of the actual switching code needs to be delayed until all
- /// AddrLabelExprs have been seen.
- std::vector<llvm::SwitchInst*> IndirectSwitches;
+ /// IndirectGotoSwitch - The first time an indirect goto is seen we create a
+ /// block with the switch for the indirect gotos. Every time we see the
+ /// address of a label taken, we add the label to the indirect goto. Every
+ /// subsequent indirect goto is codegen'd as a jump to the
+ /// IndirectGotoSwitch's basic block.
+ llvm::SwitchInst *IndirectGotoSwitch;
/// LocalDeclMap - This keeps track of the LLVM allocas or globals for local C
/// decls.
@@ -555,6 +557,7 @@ public:
static unsigned getAccessedFieldNo(unsigned Idx, const llvm::Constant *Elts);
unsigned GetIDForAddrOfLabel(const LabelStmt *L);
+ llvm::BasicBlock *GetIndirectGotoBlock();
/// EmitMemSetToZero - Generate code to memset a value of the given type to 0.
void EmitMemSetToZero(llvm::Value *DestPtr, QualType Ty);
@@ -1014,10 +1017,6 @@ public:
llvm::BasicBlock *FalseBlock);
private:
- /// EmitIndirectSwitches - Emit code for all of the switch
- /// instructions in IndirectSwitches.
- void EmitIndirectSwitches();
-
void EmitReturnOfRValue(RValue RV, QualType Ty);
/// ExpandTypeFromArgs - Reconstruct a structure of type \arg Ty