[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Chris Lattner]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

SelectionDAGISel.cpp updated: 1.376 -> 1.377
---
Log message:

track signedness of formal argument, though we have a fixme here.



---
Diffs of the changes:  (+8 -0)

 SelectionDAGISel.cpp |    8 ++++++++
 1 files changed, 8 insertions(+)


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.376 llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.377
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1.376	Sun Feb 25 15:43:59 2007
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp	Sun Feb 25 20:56:58 2007
@@ -3111,8 +3111,16 @@
     // Flags[31:27] -> OriginalAlignment
     // Flags[2] -> isSRet
     // Flags[1] -> isInReg
+    // Flags[0] -> isSigned
     unsigned Flags = (isInReg << 1) | (isSRet << 2) | (OriginalAlignment << 27);
 
+    // FIXME: Distinguish between a formal with no [sz]ext attribute from one
+    // that is zero extended!
+    if (FTy->paramHasAttr(j, FunctionType::ZExtAttribute))
+      Flags |= 0;
+    if (FTy->paramHasAttr(j, FunctionType::SExtAttribute))
+      Flags |= 1;
+    
     switch (getTypeAction(VT)) {
     default: assert(0 && "Unknown type action!");
     case Legal: