diff options
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 7f66e5ad14..ba53a18b70 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -220,7 +220,9 @@ namespace ISD { // DYNAMIC_STACKALLOC - Allocate some number of bytes on the stack aligned // to a specified boundary. The first operand is the token chain, the // second is the number of bytes to allocate, and the third is the alignment - // boundary. + // boundary. The size is guaranteed to be a multiple of the stack + // alignment, and the alignment is guaranteed to be bigger than the stack + // alignment (if required) or 0 to get standard stack alignment. DYNAMIC_STACKALLOC, // Control flow instructions. These all have token chains. |