2007-04-16 17:36:08 +00:00
|
|
|
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -mcpu=g5 -o %t -f
|
|
|
|
|
; RUN: grep vcmpeqfp. %t
|
|
|
|
|
; RUN: not grep mfcr %t
|
2006-04-18 17:56:30 +00:00
|
|
|
|
|
|
|
|
; A predicate compare used immediately by a branch should not generate an mfcr.
|
|
|
|
|
|
|
|
|
|
void %test(<4 x float>* %A, <4 x float>* %B) {
|
|
|
|
|
%tmp = load <4 x float>* %A
|
|
|
|
|
%tmp3 = load <4 x float>* %B
|
|
|
|
|
%tmp = tail call int %llvm.ppc.altivec.vcmpeqfp.p( int 1, <4 x float> %tmp, <4 x float> %tmp3 )
|
|
|
|
|
%tmp = seteq int %tmp, 0
|
|
|
|
|
br bool %tmp, label %cond_true, label %UnifiedReturnBlock
|
|
|
|
|
|
|
|
|
|
cond_true:
|
|
|
|
|
store <4 x float> zeroinitializer, <4 x float>* %B
|
|
|
|
|
ret void
|
|
|
|
|
|
|
|
|
|
UnifiedReturnBlock:
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
declare int %llvm.ppc.altivec.vcmpeqfp.p(int, <4 x float>, <4 x float>)
|
|
|
|
|
|
