| ; Test that the StrCatOptimizer works correctly |
| ; RUN: llvm-as < %s | opt -simplify-libcalls | llvm-dis | not grep 'call.*llvm.memcpy' |
| |
| declare sbyte* %llvm.memcpy(sbyte*,sbyte*,int,int) |
| %h = constant [2 x sbyte] c"h\00" |
| %hel = constant [4 x sbyte] c"hel\00" |
| %hello_u = constant [8 x sbyte] c"hello_u\00" |
| |
| implementation ; Functions: |
| |
| int %main () { |
| %h_p = getelementptr [2 x sbyte]* %h, int 0, int 0 |
| %hel_p = getelementptr [4 x sbyte]* %hel, int 0, int 0 |
| %hello_u_p = getelementptr [8 x sbyte]* %hello_u, int 0, int 0 |
| %target = alloca [1024 x sbyte] |
| %target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0 |
| call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %h_p, int 2, int 2) |
| call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hel_p, int 4, int 4) |
| call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hello_u_p, int 8, int 8) |
| ret int 0 |
| } |