diff options
| -rw-r--r-- | include/llvm/CodeGen/ValueTypes.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h index 05f10e8b04..780482b079 100644 --- a/include/llvm/CodeGen/ValueTypes.h +++ b/include/llvm/CodeGen/ValueTypes.h @@ -107,7 +107,9 @@ namespace MVT { // MVT = Machine Value Types /// /// 31--------------16-----------8-------------0 /// | Vector length | Precision | Simple type | - /// | Vector element | + /// | | Vector element | + /// + /// Note that the verifier currently requires the top bit to be zero. typedef uint32_t ValueType; @@ -313,7 +315,8 @@ namespace MVT { // MVT = Machine Value Types if (NumElements == 2) return MVT::v2f64; break; } - ValueType Result = VT | ((NumElements + 1) << (32 - VectorBits)); + // Set the length with the top bit forced to zero (needed by the verifier). + ValueType Result = VT | (((NumElements + 1) << (33 - VectorBits)) >> 1); assert(getVectorElementType(Result) == VT && "Bad vector element type!"); assert(getVectorNumElements(Result) == NumElements && |