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| author | Chris Lattner <sabre@nondot.org> | 2002-09-09 20:25:21 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2002-09-09 20:25:21 +0000 |
| commit | 871d2ce6905448f53cb9acc3eb641899b166ce22 (patch) | |
| tree | 0ee4f0c2ffe41f85886fa9947d5767d30b15f0f6 /lib/Transforms/ExprTypeConvert.cpp | |
| parent | caa5d13cda3902b5c120089c6b3866eb294ab4eb (diff) | |
Disallow creation of pointer typed shift instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3637 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/ExprTypeConvert.cpp')
| -rw-r--r-- | lib/Transforms/ExprTypeConvert.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/ExprTypeConvert.cpp b/lib/Transforms/ExprTypeConvert.cpp index 01c8d6f354..0a42f21801 100644 --- a/lib/Transforms/ExprTypeConvert.cpp +++ b/lib/Transforms/ExprTypeConvert.cpp @@ -1,4 +1,4 @@ -//===- ExprTypeConvert.cpp - Code to change an LLVM Expr Type ---------------=// +//===- ExprTypeConvert.cpp - Code to change an LLVM Expr Type -------------===// // // This file implements the part of level raising that checks to see if it is // possible to coerce an entire expression tree into a different type. If @@ -193,9 +193,11 @@ bool ExpressionConvertableToType(Value *V, const Type *Ty, return false; break; case Instruction::Shr: + if (!Ty->isInteger()) return false; if (Ty->isSigned() != V->getType()->isSigned()) return false; // FALL THROUGH case Instruction::Shl: + if (!Ty->isInteger()) return false; if (!ExpressionConvertableToType(I->getOperand(0), Ty, CTMap)) return false; break; @@ -633,6 +635,7 @@ static bool OperandConvertableToType(User *U, Value *V, const Type *Ty, // FALL THROUGH case Instruction::Shl: assert(I->getOperand(0) == V); + if (!Ty->isInteger()) return false; return ValueConvertableToType(I, Ty, CTMap); case Instruction::Free: |