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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19179 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-12-29 04:35:30 +00:00
parent 1d078167a9
commit d0137cd0f4
2 changed files with 13 additions and 0 deletions
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2
test/Transforms/DeadStoreElimination/2004-12-28-PartialStore.ll
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@ -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

11
test/Transforms/DeadStoreElimination/PartialStore.ll Normal file
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@ -0,0 +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
}