| Reid Spencer | 6e87ec4 | 2007-04-16 17:36:08 +0000 | [diff] [blame] | 1 | ; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -mcpu=g5 -o %t -f |
| 2 | ; RUN: grep vcmpeqfp. %t |
| 3 | ; RUN: not grep mfcr %t |
| Chris Lattner | 11a9ac5 | 2006-04-18 17:56:30 +0000 | [diff] [blame] | 4 | |
| 5 | ; A predicate compare used immediately by a branch should not generate an mfcr. |
| 6 | |
| 7 | void %test(<4 x float>* %A, <4 x float>* %B) { |
| 8 | %tmp = load <4 x float>* %A |
| 9 | %tmp3 = load <4 x float>* %B |
| 10 | %tmp = tail call int %llvm.ppc.altivec.vcmpeqfp.p( int 1, <4 x float> %tmp, <4 x float> %tmp3 ) |
| 11 | %tmp = seteq int %tmp, 0 |
| 12 | br bool %tmp, label %cond_true, label %UnifiedReturnBlock |
| 13 | |
| 14 | cond_true: |
| 15 | store <4 x float> zeroinitializer, <4 x float>* %B |
| 16 | ret void |
| 17 | |
| 18 | UnifiedReturnBlock: |
| 19 | ret void |
| 20 | } |
| 21 | |
| 22 | declare int %llvm.ppc.altivec.vcmpeqfp.p(int, <4 x float>, <4 x float>) |
| 23 | |