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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 | ef78c8ebd71a49a074eeb2ef7f5e7397602c9a58 (patch) | |
| tree | 06e71c658ac4252f93147280f799b71335261aa6 /clang/lib/AST/ASTContext.cpp | |
| parent | 6b7f12c0396e18f51540c4901bb8ccbc35db1151 (diff) | |
| download | bcm5719-llvm-ef78c8ebd71a49a074eeb2ef7f5e7397602c9a58.tar.gz bcm5719-llvm-ef78c8ebd71a49a074eeb2ef7f5e7397602c9a58.zip | |
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.
llvm-svn: 102036
Diffstat (limited to 'clang/lib/AST/ASTContext.cpp')
| -rw-r--r-- | clang/lib/AST/ASTContext.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp index 96e2e75eaaa..7431a23cdd5 100644 --- a/clang/lib/AST/ASTContext.cpp +++ b/clang/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); } |
