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

[Evan Cheng]

Changes in directory llvm/lib/CodeGen:

RegisterScavenging.cpp updated: 1.2 -> 1.3
---
Log message:

Add an assertion.

---
Diffs of the changes:  (+4 -2)

 RegisterScavenging.cpp |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)


Index: llvm/lib/CodeGen/RegisterScavenging.cpp
diff -u llvm/lib/CodeGen/RegisterScavenging.cpp:1.2 llvm/lib/CodeGen/RegisterScavenging.cpp:1.3
--- llvm/lib/CodeGen/RegisterScavenging.cpp:1.2	Fri Feb 23 02:41:19 2007
+++ llvm/lib/CodeGen/RegisterScavenging.cpp	Sun Feb 25 03:47:31 2007
@@ -76,10 +76,12 @@
     const MachineOperand &MO = MI->getOperand(i);
     if (!MO.isReg() || !MO.isDef())
       continue;
+    unsigned Reg = MO.getReg();
     // Skip two-address destination operand.
-    if (TID->findTiedToSrcOperand(i) != -1)
+    if (TID->findTiedToSrcOperand(i) != -1) {
+      assert(isUsed(Reg));
       continue;
-    unsigned Reg = MO.getReg();
+    }
     assert(isUnused(Reg) || isReserved(Reg));
     if (!MO.isDead())
       setUsed(Reg);