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New testcase. DSE should delete all of the DEAD instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15253 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-07-27 02:19:27 +00:00
parent db5b80a7f2
commit cbb4b574c0
1 changed files with 15 additions and 0 deletions
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15
test/Transforms/DeadStoreElimination/context-sensitive.llx Normal file
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; RUN: llvm-as < %s | opt -dse | llvm-dis | not grep DEAD
declare void %ext()
int* %caller() {
%P = malloc int
%DEAD = load int* %P
%DEAD2 = add int %DEAD, 1
store int %DEAD2, int* %P ;; dead store
call void %ext() ; Can not clobber *P
store int 0, int* %P
ret int* %P
}