| ; Test that the StrCmpOptimizer works correctly |
| ; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strcmp' |
| |
| declare int %strcmp(sbyte*,sbyte*) |
| declare int %puts(sbyte*) |
| %hello = constant [6 x sbyte] c"hello\00" |
| %hell = constant [5 x sbyte] c"hell\00" |
| %null = constant [1 x sbyte] c"\00" |
| |
| implementation ; Functions: |
| |
| int %main () { |
| %hello_p = getelementptr [6 x sbyte]* %hello, int 0, int 0 |
| %hell_p = getelementptr [5 x sbyte]* %hell, int 0, int 0 |
| %null_p = getelementptr [1 x sbyte]* %null, int 0, int 0 |
| %temp1 = call int %strcmp(sbyte* %hello_p, sbyte* %hello_p) |
| %temp2 = call int %strcmp(sbyte* %null_p, sbyte* %null_p) |
| %temp3 = call int %strcmp(sbyte* %hello_p, sbyte* %null_p) |
| %temp4 = call int %strcmp(sbyte* %null_p, sbyte* %hello_p) |
| %temp5 = call int %strcmp(sbyte* %hell_p, sbyte* %hello_p) |
| %rslt1 = add int %temp1, %temp2 |
| %rslt2 = add int %rslt1, %temp3 |
| %rslt3 = add int %rslt2, %temp4 |
| %rslt4 = add int %rslt3, %temp5 |
| ret int %rslt4 |
| } |