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1028096
2013 Mar 11
2
[LLVMdev] How to detect all free() calls
Thanks. isFreeCall() works well but for
%call2 = call i32 bitcast (i32 (...)* @free to i32 (i8*)*)(i8* %call1) nounwind, !dbg !16
So I tried to figure out when the above instruction occurred.
When <stdlib.h> is included, free(buf2R1); turn into call void @free(i8* %call1) nounwind, !dbg !16
when I forget to include <stdlib.h>, free(buf2R1); turn into %call2 = call i32 bitcast (i32