1 ; Test that the StrNCmpOptimizer works correctly
2 ; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | \
3 ; RUN: not grep {call.*strncmp}
5 declare int %strncmp(sbyte*,sbyte*,int)
6 declare int %puts(sbyte*)
7 %hello = constant [6 x sbyte] c"hello\00"
8 %hell = constant [5 x sbyte] c"hell\00"
9 %null = constant [1 x sbyte] c"\00"
11 implementation ; Functions:
14 %hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0
15 %hell_p = getelementptr [5 x sbyte]* %hell, int 0, int 0
16 %null_p = getelementptr [1 x sbyte]* %null, int 0, int 0
17 %temp1 = call int %strncmp(sbyte* %hello_p, sbyte* %hello_p,int 5)
18 %temp2 = call int %strncmp(sbyte* %null_p, sbyte* %null_p,int 0)
19 %temp3 = call int %strncmp(sbyte* %hello_p, sbyte* %null_p,int 0)
20 %temp4 = call int %strncmp(sbyte* %null_p, sbyte* %hello_p,int 0)
21 %temp5 = call int %strncmp(sbyte* %hell_p, sbyte* %hello_p,int 4)
22 %rslt1 = add int %temp1, %temp2
23 %rslt2 = add int %rslt1, %temp3
24 %rslt3 = add int %rslt2, %temp4
25 %rslt4 = add int %rslt3, %temp5