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| author | Pawel Wodnicki <pawel@32bitmicro.com> | 2012-12-04 18:29:45 +0000 |
|---|---|---|
| committer | Pawel Wodnicki <pawel@32bitmicro.com> | 2012-12-04 18:29:45 +0000 |
| commit | a9020249400f65612fc9f1c0f5cfebe50a58ff85 (patch) | |
| tree | 2be2e6b0e25a36998f84362eb2314aa1cbf07587 /lib | |
| parent | 24d616e51f503d77fe9dca5904991292831b9132 (diff) | |
| download | llvm-a9020249400f65612fc9f1c0f5cfebe50a58ff85.tar.gz llvm-a9020249400f65612fc9f1c0f5cfebe50a58ff85.tar.bz2 llvm-a9020249400f65612fc9f1c0f5cfebe50a58ff85.tar.xz | |
Merging r169084: into 3.2 release branch.
SROA: Avoid struct and array types early to avoid creating an overly large integer type.
Fixes PR14465.
Differential Revision: http://llvm-reviews.chandlerc.com/D148
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_32@169290 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/SROA.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SROA.cpp b/lib/Transforms/Scalar/SROA.cpp index ccc2f7a77b..062ec05342 100644 --- a/lib/Transforms/Scalar/SROA.cpp +++ b/lib/Transforms/Scalar/SROA.cpp @@ -2160,6 +2160,9 @@ static bool isIntegerWideningViable(const DataLayout &TD, AllocaPartitioning::const_use_iterator I, AllocaPartitioning::const_use_iterator E) { uint64_t SizeInBits = TD.getTypeSizeInBits(AllocaTy); + // Don't create integer types larger than the maximum bitwidth. + if (SizeInBits > IntegerType::MAX_INT_BITS) + return false; // Don't try to handle allocas with bit-padding. if (SizeInBits != TD.getTypeStoreSizeInBits(AllocaTy)) |