[llvm-commits] CVS: llvm-poolalloc/lib/PoolAllocate/PointerCompress.cpp

[Chris Lattner]

Changes in directory llvm-poolalloc/lib/PoolAllocate:

PointerCompress.cpp updated: 1.24 -> 1.25
---
Log message:

Fix crash handling 'store P, null'


---
Diffs of the changes:  (+5 -2)

 PointerCompress.cpp |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)


Index: llvm-poolalloc/lib/PoolAllocate/PointerCompress.cpp
diff -u llvm-poolalloc/lib/PoolAllocate/PointerCompress.cpp:1.24 llvm-poolalloc/lib/PoolAllocate/PointerCompress.cpp:1.25
--- llvm-poolalloc/lib/PoolAllocate/PointerCompress.cpp:1.24	Thu Feb 24 13:35:56 2005
+++ llvm-poolalloc/lib/PoolAllocate/PointerCompress.cpp	Thu Feb 24 14:45:16 2005
@@ -641,8 +641,11 @@
 void InstructionRewriter::visitStoreInst(StoreInst &SI) {
   const CompressedPoolInfo *DestPI = getPoolInfo(SI.getOperand(1));
   if (DestPI == 0) {
-    assert(getPoolInfo(SI.getOperand(0)) == 0 &&
-           "Cannot store a compressed pointer into non-compressed memory!");
+    if (isa<ConstantPointerNull>(SI.getOperand(1)))
+      SI.eraseFromParent();
+    else
+      assert(getPoolInfo(SI.getOperand(0)) == 0 &&
+             "Cannot store a compressed pointer into non-compressed memory!");
     return;
   }