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Remove unnecessary llvm.dbg.declare bitcast

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87059 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Victor Hernandez 2009-11-13 01:44:55 +00:00
parent 5ccac24726
commit 0418c102dd
2 changed files with 3 additions and 12 deletions
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1
include/llvm/Analysis/DebugInfo.h
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@ -467,7 +467,6 @@ namespace llvm {
LLVMContext& VMContext; LLVMContext& VMContext;
// Cached values for uniquing and faster lookups. // Cached values for uniquing and faster lookups.
const Type *EmptyStructPtr; // "{}*".
Function *StopPointFn; // llvm.dbg.stoppoint Function *StopPointFn; // llvm.dbg.stoppoint
Function *FuncStartFn; // llvm.dbg.func.start Function *FuncStartFn; // llvm.dbg.func.start
Function *RegionStartFn; // llvm.dbg.region.start Function *RegionStartFn; // llvm.dbg.region.start

14
lib/Analysis/DebugInfo.cpp
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@ -608,9 +608,7 @@ void DIVariable::dump() const {
DIFactory::DIFactory(Module &m) DIFactory::DIFactory(Module &m)
: M(m), VMContext(M.getContext()), StopPointFn(0), FuncStartFn(0), : M(m), VMContext(M.getContext()), StopPointFn(0), FuncStartFn(0),
RegionStartFn(0), RegionEndFn(0), RegionStartFn(0), RegionEndFn(0),
DeclareFn(0) { DeclareFn(0) {}
EmptyStructPtr = PointerType::getUnqual(StructType::get(VMContext));
}
Constant *DIFactory::GetTagConstant(unsigned TAG) { Constant *DIFactory::GetTagConstant(unsigned TAG) {
assert((TAG & LLVMDebugVersionMask) == 0 && assert((TAG & LLVMDebugVersionMask) == 0 &&
@ -1037,10 +1035,7 @@ void DIFactory::InsertRegionEnd(DIDescriptor D, BasicBlock *BB) {
/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call. /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D, Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
Instruction *InsertBefore) { Instruction *InsertBefore) {
// Cast the storage to a {}* for the call to llvm.dbg.declare.
Storage = new BitCastInst(Storage, EmptyStructPtr, "", InsertBefore);
if (!DeclareFn) if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare); DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
@ -1050,10 +1045,7 @@ Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call. /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D, Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
BasicBlock *InsertAtEnd) { BasicBlock *InsertAtEnd) {
// Cast the storage to a {}* for the call to llvm.dbg.declare.
Storage = new BitCastInst(Storage, EmptyStructPtr, "", InsertAtEnd);
if (!DeclareFn) if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare); DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);