diff options
| author | Chris Lattner <sabre@nondot.org> | 2012-01-26 21:37:55 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2012-01-26 21:37:55 +0000 |
| commit | 6b0dc92043ab1f63d78b8796098575e1d777b701 (patch) | |
| tree | 2ff62b3e597697a2569a0f9940de2f12c32a7168 /lib/CodeGen | |
| parent | 5b676ce7932cf60d4fd6d101323d8d54b8395804 (diff) | |
progress making the world safe to ConstantDataVector. While
we're at it, allow PatternMatch's "neg" pattern to match integer
vector negations, and enhance ComputeNumSigned bits to handle
shl of vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149082 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/MachineFunction.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp index 6bfd97055c..a7204670b1 100644 --- a/lib/CodeGen/MachineFunction.cpp +++ b/lib/CodeGen/MachineFunction.cpp @@ -655,9 +655,12 @@ static bool CanShareConstantPoolEntry(const Constant *A, const Constant *B, if (A->getType() == B->getType()) return false; // For now, only support constants with the same size. - if (TD->getTypeStoreSize(A->getType()) != TD->getTypeStoreSize(B->getType())) + uint64_t StoreSize = TD->getTypeStoreSize(A->getType()); + if (StoreSize != TD->getTypeStoreSize(B->getType()) || + StoreSize > 128) return false; + // If a floating-point value and an integer value have the same encoding, // they can share a constant-pool entry. if (const ConstantFP *AFP = dyn_cast<ConstantFP>(A)) |