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| author | Bob Wilson <bob.wilson@apple.com> | 2011-01-13 18:26:59 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2011-01-13 18:26:59 +0000 |
| commit | f0908aeade2f41d2fed82de8d85448358b379328 (patch) | |
| tree | ac540e50391411d5620a0923acfa26b1f6d443b8 /lib | |
| parent | 704d1347c5009f674408fae6f78343b415891274 (diff) | |
| download | external_llvm-f0908aeade2f41d2fed82de8d85448358b379328.tar.gz external_llvm-f0908aeade2f41d2fed82de8d85448358b379328.tar.bz2 external_llvm-f0908aeade2f41d2fed82de8d85448358b379328.zip | |
Check for empty structs, and for consistency, zero-element arrays.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123383 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/ScalarReplAggregates.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/ScalarReplAggregates.cpp b/lib/Transforms/Scalar/ScalarReplAggregates.cpp index 0ec095749f..e248413f43 100644 --- a/lib/Transforms/Scalar/ScalarReplAggregates.cpp +++ b/lib/Transforms/Scalar/ScalarReplAggregates.cpp @@ -1084,12 +1084,12 @@ static bool isHomogeneousAggregate(const Type *T, unsigned &NumElts, const Type *&EltTy) { if (const ArrayType *AT = dyn_cast<ArrayType>(T)) { NumElts = AT->getNumElements(); - EltTy = AT->getElementType(); + EltTy = (NumElts == 0 ? 0 : AT->getElementType()); return true; } if (const StructType *ST = dyn_cast<StructType>(T)) { NumElts = ST->getNumContainedTypes(); - EltTy = ST->getContainedType(0); + EltTy = (NumElts == 0 ? 0 : ST->getContainedType(0)); for (unsigned n = 1; n < NumElts; ++n) { if (ST->getContainedType(n) != EltTy) return false; |