; 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 | |
} |