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Update of 94055 to track the IR level call site information via an intrinsic.

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This allows code gen and the exception table writer to cooperate to make sure
landing pads are associated with the correct invoke locations.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94726 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2010-01-28 01:45:32 +00:00
parent 4fcd607c56
commit ca752c9020
7 changed files with 84 additions and 8 deletions
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30
include/llvm/CodeGen/MachineModuleInfo.h
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@ -113,7 +113,14 @@ class MachineModuleInfo : public ImmutablePass {
// LandingPads - List of LandingPadInfo describing the landing pad information
// in the current function.
std::vector<LandingPadInfo> LandingPads;
// Map of invoke call site index values to associated begin EH_LABEL for
// the current function.
DenseMap<unsigned, unsigned> CallSiteMap;
// The current call site index being processed, if any. 0 if none.
unsigned CurCallSite;
// TypeInfos - List of C++ TypeInfo used in the current function.
//
std::vector<GlobalVariable *> TypeInfos;
@ -294,7 +301,26 @@ public:
const std::vector<LandingPadInfo> &getLandingPads() const {
return LandingPads;
}
/// setCallSiteBeginLabel - Map the begin label for a call site
void setCallSiteBeginLabel(unsigned BeginLabel, unsigned Site) {
CallSiteMap[BeginLabel] = Site;
}
/// getCallSiteBeginLabel - Get the call site number for a begin label
unsigned getCallSiteBeginLabel(unsigned BeginLabel) {
assert(CallSiteMap.count(BeginLabel) &&
"Missing call site number for EH_LABEL!");
return CallSiteMap[BeginLabel];
}
/// setCurrentCallSite - Set the call site currently being processed.
void setCurrentCallSite(unsigned Site) { CurCallSite = Site; }
/// getCurrentCallSite - Get the call site currently being processed, if any.
/// return zero if none.
unsigned getCurrentCallSite(void) { return CurCallSite; }
/// getTypeInfos - Return a reference to the C++ typeinfo for the current
/// function.
const std::vector<GlobalVariable *> &getTypeInfos() const {