| Dan Gohman | 0a06310 | 2009-09-08 23:54:48 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 | grep {orl \$1, %eax} |
| 2 | ; RUN: llc < %s -march=x86 | grep {leal 3(,%eax,8)} |
| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 3 | |
| 4 | ;; This example can't fold the or into an LEA. |
| 5 | define i32 @test(float ** %tmp2, i32 %tmp12) { |
| 6 | %tmp3 = load float** %tmp2 |
| 7 | %tmp132 = shl i32 %tmp12, 2 ; <i32> [#uses=1] |
| 8 | %tmp4 = bitcast float* %tmp3 to i8* ; <i8*> [#uses=1] |
| 9 | %ctg2 = getelementptr i8* %tmp4, i32 %tmp132 ; <i8*> [#uses=1] |
| 10 | %tmp6 = ptrtoint i8* %ctg2 to i32 ; <i32> [#uses=1] |
| 11 | %tmp14 = or i32 %tmp6, 1 ; <i32> [#uses=1] |
| 12 | ret i32 %tmp14 |
| 13 | } |
| 14 | |
| 15 | |
| 16 | ;; This can! |
| 17 | define i32 @test2(i32 %a, i32 %b) { |
| 18 | %c = shl i32 %a, 3 |
| 19 | %d = or i32 %c, 3 |
| 20 | ret i32 %d |
| 21 | } |