diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGNodes.h')
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 648e9dd..e52ac2c 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -166,7 +166,12 @@ namespace ISD { /// their last two operands. VADD, VSUB, VMUL, VSDIV, VUDIV, VAND, VOR, VXOR, - + + /// SCALAR_TO_VECTOR(VAL) - This represents the operation of loading a + /// scalar value into the low element of the resultant vector type. The top + /// elements of the vector are undefined. + SCALAR_TO_VECTOR, + // MULHU/MULHS - Multiply high - Multiply two integers of type iN, producing // an unsigned/signed value of type i[2*n], then return the top part. MULHU, MULHS, @@ -281,10 +286,9 @@ namespace ISD { // integer result type. // ZEXTLOAD loads the integer operand and zero extends it to a larger // integer result type. - // EXTLOAD is used for two things: floating point extending loads, and - // integer extending loads where it doesn't matter what the high - // bits are set to. The code generator is allowed to codegen this - // into whichever operation is more efficient. + // EXTLOAD is used for three things: floating point extending loads, + // integer extending loads [the top bits are undefined], and vector + // extending loads [load into low elt]. EXTLOAD, SEXTLOAD, ZEXTLOAD, // TRUNCSTORE - This operators truncates (for integer) or rounds (for FP) a |