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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-12-01 11:53:32 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-12-01 11:53:32 +0000 |
| commit | 5bded7525b4eb1ae4ce3f7d05159de95d0f595f2 (patch) | |
| tree | 078f4a4ae123deda687c3a64795a7cfef2c59938 /lib/Transforms/Scalar/SROA.cpp | |
| parent | efcdb2944bb81519c839feef3a83feed35552393 (diff) | |
| download | llvm-5bded7525b4eb1ae4ce3f7d05159de95d0f595f2.tar.gz llvm-5bded7525b4eb1ae4ce3f7d05159de95d0f595f2.tar.bz2 llvm-5bded7525b4eb1ae4ce3f7d05159de95d0f595f2.tar.xz | |
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/trunk@169084 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/SROA.cpp')
| -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 e850e61819..68d5d3f01a 100644 --- a/lib/Transforms/Scalar/SROA.cpp +++ b/lib/Transforms/Scalar/SROA.cpp @@ -2164,6 +2164,9 @@ 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)) |