| ; This entire chain of computation should be optimized away, but |
| ; wasn't because the two multiplies were not detected as being identical. |
| ; |
| ; RUN: llvm-as < %s | opt -gcse -instcombine -dce | llvm-dis | not grep sub |
| |
| implementation ; Functions: |
| |
| uint "vnum_test4"(uint* %data) { |
| %idx1 = getelementptr uint* %data, uint 1 |
| %idx2 = getelementptr uint* %data, uint 3 |
| %reg1101 = load uint* %idx1 |
| %reg1111 = load uint* %idx2 |
| %reg109 = mul uint %reg1101, %reg1111 |
| %reg108 = mul uint %reg1111, %reg1101 |
| %reg121 = sub uint %reg108, %reg109 |
| ret uint %reg121 |
| } |
