1 ; RUN: llvm-upgrade < %s | llvm-as | opt -mem2reg -instcombine | llvm-dis | grep store
4 void %zero(sbyte* %p, int %n) {
6 %p_addr = alloca sbyte* ; <sbyte**> [#uses=2]
7 %n_addr = alloca int ; <int*> [#uses=2]
8 %i = alloca int ; <int*> [#uses=6]
9 %out = alloca int ; <int*> [#uses=2]
10 %undef = alloca int ; <int*> [#uses=2]
11 store sbyte* %p, sbyte** %p_addr
12 store int %n, int* %n_addr
16 loopentry: ; preds = %endif, %entry
17 %tmp.0 = load int* %n_addr ; <int> [#uses=1]
18 %tmp.1 = add int %tmp.0, 1 ; <int> [#uses=1]
19 %tmp.2 = load int* %i ; <int> [#uses=1]
20 %tmp.3 = setgt int %tmp.1, %tmp.2 ; <bool> [#uses=2]
21 %tmp.4 = cast bool %tmp.3 to int ; <int> [#uses=0]
22 br bool %tmp.3, label %no_exit, label %return
24 no_exit: ; preds = %loopentry
25 %tmp.5 = load int* %undef ; <int> [#uses=1]
26 store int %tmp.5, int* %out
27 store int 0, int* %undef
28 %tmp.6 = load int* %i ; <int> [#uses=1]
29 %tmp.7 = setgt int %tmp.6, 0 ; <bool> [#uses=2]
30 %tmp.8 = cast bool %tmp.7 to int ; <int> [#uses=0]
31 br bool %tmp.7, label %then, label %endif
33 then: ; preds = %no_exit
34 %tmp.9 = load sbyte** %p_addr ; <sbyte*> [#uses=1]
35 %tmp.10 = load int* %i ; <int> [#uses=1]
36 %tmp.11 = sub int %tmp.10, 1 ; <int> [#uses=1]
37 %tmp.12 = getelementptr sbyte* %tmp.9, int %tmp.11 ; <sbyte*> [#uses=1]
38 %tmp.13 = load int* %out ; <int> [#uses=1]
39 %tmp.14 = cast int %tmp.13 to sbyte ; <sbyte> [#uses=1]
40 store sbyte %tmp.14, sbyte* %tmp.12
43 endif: ; preds = %then, %no_exit
44 %tmp.15 = load int* %i ; <int> [#uses=1]
45 %inc = add int %tmp.15, 1 ; <int> [#uses=1]
46 store int %inc, int* %i
49 return: ; preds = %loopentry