| ; Test that the StrCpyOptimizer works correctly |
| ; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*strcpy' |
| |
| declare sbyte* %strcpy(sbyte*,sbyte*) |
| declare int %puts(sbyte*) |
| %hello = constant [6 x sbyte] c"hello\00" |
| %null = constant [1 x sbyte] c"\00" |
| %null_hello = constant [7 x sbyte] c"\00hello\00" |
| |
| implementation ; Functions: |
| |
| int %main () { |
| %target = alloca [1024 x sbyte] |
| %arg1 = getelementptr [1024 x sbyte]* %target, int 0, int 0 |
| store sbyte 0, sbyte* %arg1 |
| %arg2 = getelementptr [6 x sbyte]* %hello, int 0, int 0 |
| %rslt1 = call sbyte* %strcpy(sbyte* %arg1, sbyte* %arg2) |
| %arg3 = getelementptr [1 x sbyte]* %null, int 0, int 0 |
| %rslt2 = call sbyte* %strcpy(sbyte* %rslt1, sbyte* %arg3) |
| %arg4 = getelementptr [7 x sbyte]* %null_hello, int 0, int 0 |
| %rslt3 = call sbyte* %strcpy(sbyte* %rslt2, sbyte* %arg4) |
| call int %puts(sbyte* %rslt3) |
| ret int 0 |
| } |