hanchenye-llvm-project/llvm/test/Transforms/InstCombine/malloc-free-delete.ll

12 lines
431 B
LLVM

; RUN: opt < %s -instcombine -S | grep {ret i32 0}
; RUN: opt < %s -instcombine -S | not grep malloc
; PR1201
define i32 @main(i32 %argc, i8** %argv) {
%c_19 = alloca i8* ; <i8**> [#uses=2]
%malloc_206 = malloc i8, i32 10 ; <i8*> [#uses=1]
store i8* %malloc_206, i8** %c_19
%tmp_207 = load i8** %c_19 ; <i8*> [#uses=1]
free i8* %tmp_207
ret i32 0
}