blob: 76ad456daa1112abb86c084fb28c579c370ae8da [file] [log] [blame]
; RUN: llc < %s -mtriple=arm-apple-ios -arm-atomic-cfg-tidy=0 -mcpu=cortex-a9 | FileCheck %s
; rdar://8402126
; Make sure if-converter is not predicating vldmia and ldmia. These are
; micro-coded and would have long issue latency even if predicated on
; false predicate.
define void @t(double %a, double %b, double %c, double %d, ptr nocapture %solutions, ptr nocapture %x) nounwind "frame-pointer"="all" {
; CHECK: vpop {d8}
; CHECK-NOT: vpopne
; CHECK: pop {r7, pc}
br i1 undef, label %if.else, label %if.then
if.then: ; preds = %entry
%mul73 = fmul double %a, 0.000000e+00
%sub76 = fsub double %mul73, %mul73
store double %sub76, ptr undef, align 4
%call88 = tail call double @cos(double 0.000000e+00) nounwind
%mul89 = fmul double %call88, %call88
%sub92 = fsub double %mul89, %mul89
store double %sub92, ptr undef, align 4
ret void
if.else: ; preds = %entry
%tmp101 = tail call double @llvm.pow.f64(double undef, double 0x3FD5555555555555)
%add112 = fadd double %tmp101, %tmp101
%mul118 = fmul double %add112, %add112
store double 0.000000e+00, ptr %x, align 4
ret void
declare double @cos(double) readnone
declare double @llvm.pow.f64(double, double) nounwind readonly