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remove the InvalidateStructLayoutInfo API, which is dead and unnecessary now

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that type refinement is toast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135245 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2011-07-15 05:21:59 +00:00
parent ed0e021643
commit ef58218b8d
4 changed files with 0 additions and 35 deletions
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6
include/llvm-c/Target.h
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@ -147,12 +147,6 @@ unsigned LLVMElementAtOffset(LLVMTargetDataRef, LLVMTypeRef StructTy,
unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef, LLVMTypeRef StructTy, unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef, LLVMTypeRef StructTy,
unsigned Element); unsigned Element);
/** Struct layouts are speculatively cached. If a TargetDataRef is alive when
types are being refined and removed, this method must be called whenever a
struct type is removed to avoid a dangling pointer in this cache.
See the method llvm::TargetData::InvalidateStructLayoutInfo. */
void LLVMInvalidateStructLayout(LLVMTargetDataRef, LLVMTypeRef StructTy);
/** Deallocates a TargetData. /** Deallocates a TargetData.
See the destructor llvm::TargetData::~TargetData. */ See the destructor llvm::TargetData::~TargetData. */
void LLVMDisposeTargetData(LLVMTargetDataRef); void LLVMDisposeTargetData(LLVMTargetDataRef);

6
include/llvm/Target/TargetData.h
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@ -272,12 +272,6 @@ public:
/// information is lazily cached. /// information is lazily cached.
const StructLayout *getStructLayout(const StructType *Ty) const; const StructLayout *getStructLayout(const StructType *Ty) const;
/// InvalidateStructLayoutInfo - TargetData speculatively caches StructLayout
/// objects. If a TargetData object is alive when types are being refined and
/// removed, this method must be called whenever a StructType is removed to
/// avoid a dangling pointer in this cache.
void InvalidateStructLayoutInfo(const StructType *Ty) const;
/// getPreferredAlignment - Return the preferred alignment of the specified /// getPreferredAlignment - Return the preferred alignment of the specified
/// global. This includes an explicitly requested alignment (if the global /// global. This includes an explicitly requested alignment (if the global
/// has one). /// has one).

4
lib/Target/Target.cpp
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@ -97,10 +97,6 @@ unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructT
return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element); return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
} }
void LLVMInvalidateStructLayout(LLVMTargetDataRef TD, LLVMTypeRef StructTy) {
unwrap(TD)->InvalidateStructLayoutInfo(unwrap<StructType>(StructTy));
}
void LLVMDisposeTargetData(LLVMTargetDataRef TD) { void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
delete unwrap(TD); delete unwrap(TD);
} }

19
lib/Target/TargetData.cpp
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@ -329,15 +329,6 @@ public:
} }
} }
void InvalidateEntry(const StructType *Ty) {
LayoutInfoTy::iterator I = LayoutInfo.find(Ty);
if (I == LayoutInfo.end()) return;
I->second->~StructLayout();
free(I->second);
LayoutInfo.erase(I);
}
StructLayout *&operator[](const StructType *STy) { StructLayout *&operator[](const StructType *STy) {
return LayoutInfo[STy]; return LayoutInfo[STy];
} }
@ -375,16 +366,6 @@ const StructLayout *TargetData::getStructLayout(const StructType *Ty) const {
return L; return L;
} }
/// InvalidateStructLayoutInfo - TargetData speculatively caches StructLayout
/// objects. If a TargetData object is alive when types are being refined and
/// removed, this method must be called whenever a StructType is removed to
/// avoid a dangling pointer in this cache.
void TargetData::InvalidateStructLayoutInfo(const StructType *Ty) const {
if (!LayoutMap) return; // No cache.
static_cast<StructLayoutMap*>(LayoutMap)->InvalidateEntry(Ty);
}
std::string TargetData::getStringRepresentation() const { std::string TargetData::getStringRepresentation() const {
std::string Result; std::string Result;
raw_string_ostream OS(Result); raw_string_ostream OS(Result);