Fix an obvious bug, noticed by inspection. No current targets trigger this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29648 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp
index ffbae2a7ff726c19147aa54a3ce5483202e90671..fef833cc19fa87acbd9dc1f7a0cc972e49df9d59 100644 (file)
--- a/lib/CodeGen/PHIElimination.cpp
+++ b/lib/CodeGen/PHIElimination.cpp
@@ -103,9 +103,9 @@ bool PNE::EliminatePHINodes(MachineFunction &MF, MachineBasicBlock &MBB) {
 /// use of the specified register.
 static bool InstructionUsesRegister(MachineInstr *MI, unsigned SrcReg) {
   for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i)
-    if (MI->getOperand(0).isRegister() &&
-        MI->getOperand(0).getReg() == SrcReg &&
-        MI->getOperand(0).isUse())
+    if (MI->getOperand(i).isRegister() &&
+        MI->getOperand(i).getReg() == SrcReg &&
+        MI->getOperand(i).isUse())
       return true;
   return false;
 }