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| author | Chris Lattner <sabre@nondot.org> | 2004-04-05 01:30:19 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-04-05 01:30:19 +0000 |
| commit | 28977af72a11fcad5d1b54d7a96b3df02828f6fc (patch) | |
| tree | 671a8fa4df839cb653ebd22dda8fa39639b3afa7 /lib/VMCore/ConstantFold.cpp | |
| parent | 830b6f98686f40f86811dceb5497433ebac385e1 (diff) | |
| download | external_llvm-28977af72a11fcad5d1b54d7a96b3df02828f6fc.zip external_llvm-28977af72a11fcad5d1b54d7a96b3df02828f6fc.tar.gz external_llvm-28977af72a11fcad5d1b54d7a96b3df02828f6fc.tar.bz2 | |
Support getelementptr instructions which use uint's to index into structure
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
Diffstat (limited to 'lib/VMCore/ConstantFold.cpp')
| -rw-r--r-- | lib/VMCore/ConstantFold.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index db21bd3..1fee501 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -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 |