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Support getelementptr instructions which use uint's to index into structure

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types and can have arbitrary 32- and 64-bit integer types indexing into
sequential types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12653 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-04-05 01:30:19 +00:00
parent 830b6f9868
commit 28977af72a
16 changed files with 219 additions and 210 deletions
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8
lib/VMCore/ConstantFold.cpp
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@ -608,10 +608,10 @@ static int IdxCompare(Constant *C1, Constant *C2) {
if (!isa<ConstantInt>(C1) || !isa<ConstantInt>(C2))
return -2; // don't know!
// Ok, we have two differing integer indices. Convert them to
// be the same type. Long is always big enough, so we use it.
C1 = ConstantExpr::getCast(C1, Type::LongTy);
C2 = ConstantExpr::getCast(C2, Type::LongTy);
// Ok, we have two differing integer indices. Sign extend them to be the same
// type. Long is always big enough, so we use it.
C1 = ConstantExpr::getSignExtend(C1, Type::LongTy);
C2 = ConstantExpr::getSignExtend(C2, Type::LongTy);
if (C1 == C2) return 0; // Are they just differing types?
// If they are really different, now that they are the same type, then we