llvm-6502/test/Transforms/DeadStoreElimination/context-sensitive.llx
2004-07-27 02:19:27 +00:00

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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
}