| Reid Spencer | 89011b6 | 2005-04-26 07:40:40 +0000 | [diff] [blame] | 1 | ; Test that the StrCatOptimizer works correctly |
| Chris Lattner | f133c26 | 2006-03-09 18:43:07 +0000 | [diff] [blame^] | 2 | ; RUN: llvm-as < %s | opt -constprop -simplify-libcalls -disable-output && |
| 3 | ; RUN: llvm-as < %s | opt -constprop -simplify-libcalls | llvm-dis | not grep 'call.*llvm.memcpy' |
| Reid Spencer | 89011b6 | 2005-04-26 07:40:40 +0000 | [diff] [blame] | 4 | |
| 5 | declare sbyte* %llvm.memcpy(sbyte*,sbyte*,int,int) |
| 6 | %h = constant [2 x sbyte] c"h\00" |
| 7 | %hel = constant [4 x sbyte] c"hel\00" |
| 8 | %hello_u = constant [8 x sbyte] c"hello_u\00" |
| 9 | |
| 10 | implementation ; Functions: |
| 11 | |
| 12 | int %main () { |
| 13 | %h_p = getelementptr [2 x sbyte]* %h, int 0, int 0 |
| 14 | %hel_p = getelementptr [4 x sbyte]* %hel, int 0, int 0 |
| 15 | %hello_u_p = getelementptr [8 x sbyte]* %hello_u, int 0, int 0 |
| 16 | %target = alloca [1024 x sbyte] |
| 17 | %target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0 |
| 18 | call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %h_p, int 2, int 2) |
| 19 | call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hel_p, int 4, int 4) |
| 20 | call sbyte* %llvm.memcpy(sbyte* %target_p, sbyte* %hello_u_p, int 8, int 8) |
| 21 | ret int 0 |
| 22 | } |