From 4d1f58861d38f114e74d515ac1bd029e3a5a024f Mon Sep 17 00:00:00 2001 From: Eric Christopher Date: Fri, 8 Jan 2010 21:37:11 +0000 Subject: [PATCH] Remove unnecessary dyn_cast and add a comment. Part of a WIP. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93026 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/InstCombine/InstCombineCalls.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp index e34360087c6..47c37c46587 100644 --- a/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -633,12 +633,12 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) { break; } case Intrinsic::objectsize: { - ConstantInt *Const = dyn_cast(II->getOperand(2)); - - if (!Const) return 0; - + ConstantInt *Const = cast(II->getOperand(2)); const Type *Ty = CI.getType(); + // 0 is maximum number of bytes left, 1 is minimum number of bytes left. + // TODO: actually add these values, the current return values are "don't + // know". if (Const->getZExtValue() == 0) return ReplaceInstUsesWith(CI, Constant::getAllOnesValue(Ty)); else -- 2.34.1