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author | Reid Spencer <rspencer@reidspencer.com> | 2006-10-20 07:07:24 +0000 |
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committer | Reid Spencer <rspencer@reidspencer.com> | 2006-10-20 07:07:24 +0000 |
commit | b83eb6447ba155342598f0fabe1f08f5baa9164a (patch) | |
tree | a5822f5fdac89033b7b16ba8e5aaf1ae10833b1c /lib/Analysis/ConstantFolding.cpp | |
parent | 6e7dd9db6bf677c9161a6ecc12f90651cf1231e0 (diff) | |
download | external_llvm-b83eb6447ba155342598f0fabe1f08f5baa9164a.zip external_llvm-b83eb6447ba155342598f0fabe1f08f5baa9164a.tar.gz external_llvm-b83eb6447ba155342598f0fabe1f08f5baa9164a.tar.bz2 |
For PR950:
This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31063 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ConstantFolding.cpp')
-rw-r--r-- | lib/Analysis/ConstantFolding.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/Analysis/ConstantFolding.cpp b/lib/Analysis/ConstantFolding.cpp index 7e802ba..359766d 100644 --- a/lib/Analysis/ConstantFolding.cpp +++ b/lib/Analysis/ConstantFolding.cpp @@ -163,14 +163,15 @@ llvm::ConstantFoldCall(Function *F, const std::vector<Constant*> &Operands) { default: break; } - } else if (ConstantUInt *Op = dyn_cast<ConstantUInt>(Operands[0])) { - uint64_t V = Op->getValue(); + } else if (ConstantInt *Op = dyn_cast<ConstantInt>(Operands[0])) { + assert(Op->getType()->isUnsigned() && "bswap args must be unsigned"); + uint64_t V = Op->getZExtValue(); if (Name == "llvm.bswap.i16") - return ConstantUInt::get(Ty, ByteSwap_16(V)); + return ConstantInt::get(Ty, ByteSwap_16(V)); else if (Name == "llvm.bswap.i32") - return ConstantUInt::get(Ty, ByteSwap_32(V)); + return ConstantInt::get(Ty, ByteSwap_32(V)); else if (Name == "llvm.bswap.i64") - return ConstantUInt::get(Ty, ByteSwap_64(V)); + return ConstantInt::get(Ty, ByteSwap_64(V)); } } else if (Operands.size() == 2) { if (ConstantFP *Op1 = dyn_cast<ConstantFP>(Operands[0])) { |