| James Y Knight | d966fb6 | 2015-08-19 14:47:04 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=sparc < %s |
| 2 | |
| 3 | ;; getBooleanContents on Sparc used to claim that no bits mattered |
| 4 | ;; other than the first for SELECT. Thus, the 'trunc' got eliminated |
| 5 | ;; as redundant. But, cmp does NOT ignore the other bits! |
| 6 | |
| Hans Wennborg | 4a61370 | 2015-08-31 21:10:35 +0000 | [diff] [blame] | 7 | ; CHECK-LABEL: select_mask: |
| James Y Knight | d966fb6 | 2015-08-19 14:47:04 +0000 | [diff] [blame] | 8 | ; CHECK: ldub [%o0], [[R:%[goli][0-7]]] |
| 9 | ; CHECK: and [[R]], 1, [[V:%[goli][0-7]]] |
| 10 | ; CHECK: cmp [[V]], 0 |
| 11 | define i32 @select_mask(i8* %this) { |
| 12 | entry: |
| 13 | %bf.load2 = load i8, i8* %this, align 4 |
| 14 | %bf.cast5 = trunc i8 %bf.load2 to i1 |
| 15 | %cond = select i1 %bf.cast5, i32 2, i32 0 |
| 16 | ret i32 %cond |
| 17 | } |