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| 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 | 61a1d6cb81a14eb977d7278fbde7d563be280533 (patch) | |
| tree | 21270e8a64127804370a106e240215be50abcdfa /llvm/lib/CodeGen/MachineFunction.cpp | |
| parent | 49b1e38e4bee0f0c6f8b49e1a62d5284084e09e7 (diff) | |
| download | llvm-61a1d6cb81a14eb977d7278fbde7d563be280533.zip llvm-61a1d6cb81a14eb977d7278fbde7d563be280533.tar.gz llvm-61a1d6cb81a14eb977d7278fbde7d563be280533.tar.bz2 | |
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.
llvm-svn: 149082
Diffstat (limited to 'llvm/lib/CodeGen/MachineFunction.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineFunction.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp index 6bfd970..a720467 100644 --- a/llvm/lib/CodeGen/MachineFunction.cpp +++ b/llvm/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)) |