| ; RUN: llvm-as < %s | llc -march=arm -stats |& \ |
| ; RUN: grep {3 .*Number of machine instrs printed} |
| ; RUN: llvm-as < %s | llc -march=thumb -stats |& \ |
| ; RUN: grep {4 .*Number of machine instrs printed} |
| |
| ;; Integer absolute value, should produce something as good as: ARM: |
| ;; add r3, r0, r0, asr #31 |
| ;; eor r0, r3, r0, asr #31 |
| ;; bx lr |
| ;; Thumb: |
| ;; asr r2, r0, #31 |
| ;; add r0, r0, r2 |
| ;; eor r0, r2 |
| ;; bx lr |
| |
| define i32 @test(i32 %a) { |
| %tmp1neg = sub i32 0, %a |
| %b = icmp sgt i32 %a, -1 |
| %abs = select i1 %b, i32 %a, i32 %tmp1neg |
| ret i32 %abs |
| } |
| |