diff options
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/ValueTypes.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h index 783c0f8acf..5a36a3eeec 100644 --- a/include/llvm/CodeGen/ValueTypes.h +++ b/include/llvm/CodeGen/ValueTypes.h @@ -45,10 +45,8 @@ namespace MVT { // MVT = Machine Value Types isVoid = 12, // This has no value Vector = 13, // This is an abstract vector type, which will - // be refined into a target vector type, or - // scalarized. - - // These are 128 bit vectors of varying packed types + // be expanded into a target vector type, or scalars + // if no matching vector type is available. v16i8 = 14, // 16 x i8 v8i16 = 15, // 8 x i16 v4i32 = 16, // 4 x i32 @@ -70,6 +68,21 @@ namespace MVT { // MVT = Machine Value Types return (VT >= v16i8 && VT <= v2f64); } + /// getVectorType - Returns the ValueType that represents a vector NumElements + /// in length, where each element is of type VT. If there is no ValueType + /// that represents this vector, a ValueType of Other is returned. + /// + static inline ValueType getVectorType(ValueType VT, unsigned NumElements) { + switch (VT) { + default: + break; + case MVT::f32: + if (NumElements == 4) return MVT::v4f32; + break; + } + return MVT::Other; + } + static inline unsigned getSizeInBits(ValueType VT) { switch (VT) { default: assert(0 && "ValueType has no known size!"); |