[llvm-commits] CVS: llvm/test/Regression/Transforms/DeadStoreElimination/PartialStore.ll 2004-12-28-PartialStore.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Transforms/DeadStoreElimination:

PartialStore.ll added (r1.1)
2004-12-28-PartialStore.ll updated: 1.1 -> 1.2
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Log message:

Add a comment, add a new testcase


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Diffs of the changes:  (+13 -0)

Index: llvm/test/Regression/Transforms/DeadStoreElimination/PartialStore.ll
diff -c /dev/null llvm/test/Regression/Transforms/DeadStoreElimination/PartialStore.ll:1.1
*** /dev/null	Tue Dec 28 22:35:40 2004
--- llvm/test/Regression/Transforms/DeadStoreElimination/PartialStore.ll	Tue Dec 28 22:35:30 2004
***************
*** 0 ****
--- 1,11 ----
+ ; RUN: llvm-as < %s | opt -dse | llvm-dis | not grep 'store sbyte'
+ ; Ensure that the dead store is deleted in this case.  It is wholely
+ ; overwritten by the second store.
+ int %test() {
+ 	%V = alloca int
+ 	%V2 = cast int* %V to sbyte*
+ 	store sbyte 0, sbyte* %V2
+ 	store int 1234567, int* %V
+ 	%X = load int* %V
+ 	ret int %X
+ }


Index: llvm/test/Regression/Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll
diff -u llvm/test/Regression/Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll:1.1 llvm/test/Regression/Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll:1.2
--- llvm/test/Regression/Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll:1.1	Tue Dec 28 22:27:26 2004
+++ llvm/test/Regression/Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll	Tue Dec 28 22:35:30 2004
@@ -1,5 +1,7 @@
 ; RUN: llvm-as < %s | opt -dse | llvm-dis | grep 'store int 1234567'
 
+; Do not delete stores that are only partially killed.
+
 int %test() {
 	%V = alloca int
 	store int 1234567, int* %V