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| author | Daniel Dunbar <daniel@zuster.org> | 2009-12-08 21:12:32 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2009-12-08 21:12:32 +0000 |
| commit | 88b172cd206aa94f8eab071787f4a7ec2442c407 (patch) | |
| tree | 1e6ca1d41afe36743ec0de07779b37f4bcdf11ec /lib/CodeGen/CGExprConstant.cpp | |
| parent | 2b48ed7e172e2a2a6535a0bc89cf40f6de9ec2ef (diff) | |
Update CGExprConstant for change to emit padding values as undef.
- This fixes 2003-05-21-BitfieldHandling.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90876 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprConstant.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprConstant.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp index 9289f78d55..d428983f01 100644 --- a/lib/CodeGen/CGExprConstant.cpp +++ b/lib/CodeGen/CGExprConstant.cpp @@ -167,7 +167,11 @@ class ConstStructBuilder { } // Or in the bits that go into the previous byte. - Tmp |= cast<llvm::ConstantInt>(Elements.back())->getValue(); + if (llvm::ConstantInt *Val = dyn_cast<llvm::ConstantInt>(Elements.back())) + Tmp |= Val->getValue(); + else + assert(isa<llvm::UndefValue>(Elements.back())); + Elements.back() = llvm::ConstantInt::get(CGM.getLLVMContext(), Tmp); if (FitsCompletelyInPreviousByte) |