From 0ea0356dff38dfd0420b8c0a2fdf2fae7898c024 Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Wed, 5 Mar 2008 19:14:03 +0000 Subject: Clarify that CALLSEQ_START..END may not be nested, and add some protection against creating such. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47957 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/SelectionDAGNodes.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/llvm') diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index afd1e78d20..025e9ecea7 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -529,6 +529,7 @@ namespace ISD { // a call sequence, and carry arbitrary information that target might want // to know. The first operand is a chain, the rest are specified by the // target and not touched by the DAG optimizers. + // CALLSEQ_START..CALLSEQ_END pairs may not be nested. CALLSEQ_START, // Beginning of a call sequence CALLSEQ_END, // End of a call sequence -- cgit v1.2.3-70-g09d2