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

[Chris Lattner]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

SelectionDAG.cpp updated: 1.299 -> 1.300
---
Log message:

Make these predicates return true for bit_convert(buildvector)'s as well as
buildvectors.


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

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


Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.299 llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.300
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.299	Wed Apr 12 11:20:43 2006
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp	Sat Apr 15 18:38:00 2006
@@ -73,6 +73,10 @@
 /// isBuildVectorAllOnes - Return true if the specified node is a
 /// BUILD_VECTOR where all of the elements are ~0 or undef.
 bool ISD::isBuildVectorAllOnes(const SDNode *N) {
+  // Look through a bit convert.
+  if (N->getOpcode() == ISD::BIT_CONVERT)
+    N = N->getOperand(0).Val;
+  
   if (N->getOpcode() != ISD::BUILD_VECTOR) return false;
   
   unsigned i = 0, e = N->getNumOperands();
@@ -117,6 +121,10 @@
 /// isBuildVectorAllZeros - Return true if the specified node is a
 /// BUILD_VECTOR where all of the elements are 0 or undef.
 bool ISD::isBuildVectorAllZeros(const SDNode *N) {
+  // Look through a bit convert.
+  if (N->getOpcode() == ISD::BIT_CONVERT)
+    N = N->getOperand(0).Val;
+  
   if (N->getOpcode() != ISD::BUILD_VECTOR) return false;
   
   unsigned i = 0, e = N->getNumOperands();