[llvm-commits] CVS: llvm/lib/VMCore/Constants.cpp

[Chris Lattner]

Changes in directory llvm/lib/VMCore:

Constants.cpp updated: 1.149 -> 1.150
---
Log message:

Add constant replacement for insertelement/vectorshuffle constant exprs


---
Diffs of the changes:  (+16 -0)

 Constants.cpp |   16 ++++++++++++++++
 1 files changed, 16 insertions(+)


Index: llvm/lib/VMCore/Constants.cpp
diff -u llvm/lib/VMCore/Constants.cpp:1.149 llvm/lib/VMCore/Constants.cpp:1.150
--- llvm/lib/VMCore/Constants.cpp:1.149	Fri Apr  7 20:18:18 2006
+++ llvm/lib/VMCore/Constants.cpp	Sat Apr  8 00:09:48 2006
@@ -1702,6 +1702,22 @@
     if (C1 == From) C1 = To;
     if (C2 == From) C2 = To;
     Replacement = ConstantExpr::getExtractElement(C1, C2);
+  } else if (getOpcode() == Instruction::InsertElement) {
+    Constant *C1 = getOperand(0);
+    Constant *C2 = getOperand(1);
+    Constant *C3 = getOperand(1);
+    if (C1 == From) C1 = To;
+    if (C2 == From) C2 = To;
+    if (C3 == From) C3 = To;
+    Replacement = ConstantExpr::getInsertElement(C1, C2, C3);
+  } else if (getOpcode() == Instruction::ShuffleVector) {
+    Constant *C1 = getOperand(0);
+    Constant *C2 = getOperand(1);
+    Constant *C3 = getOperand(2);
+    if (C1 == From) C1 = To;
+    if (C2 == From) C2 = To;
+    if (C3 == From) C3 = To;
+    Replacement = ConstantExpr::getShuffleVector(C1, C2, C3);
   } else if (getNumOperands() == 2) {
     Constant *C1 = getOperand(0);
     Constant *C2 = getOperand(1);