From 74fe063e90045931eefaba561730e6a9175ced78 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 29 Aug 2005 22:48:32 +0000 Subject: [PATCH] improve comment git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23134 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/SelectionDAGNodes.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 7f66e5ad146..ba53a18b70c 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.