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[opaque pointer types] Use the pointee type loaded from bitcode when constructing a LoadInst

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Now (with a few carefully placed suppressions relating to general type
serialization, etc) we can round trip a simple load through bitcode and
textual IR without calling getElementType on a PointerType.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235221 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2015-04-17 19:56:21 +00:00
parent 35df664ee6
commit 0f0d21e869
3 changed files with 13 additions and 8 deletions
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6
include/llvm/IR/Instructions.h
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@@ -176,7 +176,11 @@ public:
Instruction *InsertBefore = nullptr);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
BasicBlock *InsertAtEnd);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile, unsigned Align,
Instruction *InsertBefore = nullptr)
: LoadInst(cast<PointerType>(Ptr->getType())->getElementType(), Ptr,
NameStr, isVolatile, Align, InsertBefore) {}
LoadInst(Type *Ty, Value *Ptr, const Twine &NameStr, bool isVolatile,
unsigned Align, Instruction *InsertBefore = nullptr);
LoadInst(Value *Ptr, const Twine &NameStr, bool isVolatile,
unsigned Align, BasicBlock *InsertAtEnd);