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| author | Dan Gohman <gohman@apple.com> | 2010-04-21 23:32:43 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-04-21 23:32:43 +0000 |
| commit | 8eefcd353c1d06a10104f69e5079ebab3183f9a3 (patch) | |
| tree | dc7ae1332559a5817d45c2ce0d978cc4487425d4 /lib/AST/ASTContext.cpp | |
| parent | 688fc9b9b4323a294f5bf4f8a83f7c365edec573 (diff) | |
When computing the alignof value for a vector type, ensure that
the alignment is a power of 2, even in the esoteric case of a
vector element which does not have a power-of-2 sizeof value.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102036 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AST/ASTContext.cpp')
| -rw-r--r-- | lib/AST/ASTContext.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp index 96e2e75eaa..7431a23cdd 100644 --- a/lib/AST/ASTContext.cpp +++ b/lib/AST/ASTContext.cpp @@ -515,7 +515,7 @@ ASTContext::getTypeInfo(const Type *T) { Align = Width; // If the alignment is not a power of 2, round up to the next power of 2. // This happens for non-power-of-2 length vectors. - if (VT->getNumElements() & (VT->getNumElements()-1)) { + if (Align & (Align-1)) { Align = llvm::NextPowerOf2(Align); Width = llvm::RoundUpToAlignment(Width, Align); } |