diff options
| author | Chris Lattner <sabre@nondot.org> | 2008-01-10 04:44:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-01-10 04:44:32 +0000 |
| commit | 8947dd539edeff266b3e3de824ccd2baea936bd8 (patch) | |
| tree | 04e8a55dd78bd72d5dce55fe617deeef6ca2591d | |
| parent | 710e995889c71812743f3f33861c24273f4569a7 (diff) | |
add SDNPMayLoad to the 'load' sdnode definition. This is enough to get all the x86
instructions (with patterns) that load memory marked, for example.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45818 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/TargetSelectionDAG.td | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/TargetSelectionDAG.td b/lib/Target/TargetSelectionDAG.td index 6a7da0c691..d80909c7fd 100644 --- a/lib/Target/TargetSelectionDAG.td +++ b/lib/Target/TargetSelectionDAG.td @@ -190,6 +190,7 @@ def SDNPOutFlag : SDNodeProperty; // Write a flag result def SDNPInFlag : SDNodeProperty; // Read a flag operand def SDNPOptInFlag : SDNodeProperty; // Optionally read a flag operand def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'. +def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'. //===----------------------------------------------------------------------===// // Selection DAG Node definitions. @@ -313,7 +314,8 @@ def ret : SDNode<"ISD::RET" , SDTRet, [SDNPHasChain]>; // Do not use ld, st directly. Use load, extload, sextload, zextload, store, // and truncst (see below). -def ld : SDNode<"ISD::LOAD" , SDTLoad, [SDNPHasChain]>; +def ld : SDNode<"ISD::LOAD" , SDTLoad, + [SDNPHasChain, SDNPMayLoad]>; def st : SDNode<"ISD::STORE" , SDTStore, [SDNPHasChain, SDNPMayStore]>; def ist : SDNode<"ISD::STORE" , SDTIStore, |