1 ; RUN: llc < %s -mtriple=arm-apple-ios -arm-atomic-cfg-tidy=0 -mcpu=cortex-a9 | FileCheck %s 2 ; rdar://8402126 3 ; Make sure if-converter is not predicating vldmia and ldmia. These are 4 ; micro-coded and would have long issue latency even if predicated on 5 ; false predicate. 6 7 define void @t(double %a, double %b, double %c, double %d, i32* nocapture %solutions, double* nocapture %x) nounwind { 8 entry: 9 ; CHECK-LABEL: t: 10 ; CHECK: vpop {d8} 11 ; CHECK-NOT: vpopne 12 ; CHECK: pop {r7, pc} 13 ; CHECK: vpop {d8} 14 ; CHECK: pop {r7, pc} 15 br i1 undef, label %if.else, label %if.then 16 17 if.then: ; preds = %entry 18 %mul73 = fmul double undef, 0.000000e+00 19 %sub76 = fsub double %mul73, undef 20 store double %sub76, double* undef, align 4 21 %call88 = tail call double @cos(double 0.000000e+00) nounwind 22 %mul89 = fmul double undef, %call88 23 %sub92 = fsub double %mul89, undef 24 store double %sub92, double* undef, align 4 25 ret void 26 27 if.else: ; preds = %entry 28 %tmp101 = tail call double @llvm.pow.f64(double undef, double 0x3FD5555555555555) 29 %add112 = fadd double %tmp101, undef 30 %mul118 = fmul double %add112, undef 31 store double 0.000000e+00, double* %x, align 4 32 ret void 33 } 34 35 declare double @acos(double) 36 37 declare double @sqrt(double) readnone 38 39 declare double @cos(double) readnone 40 41 declare double @fabs(double) 42 43 declare double @llvm.pow.f64(double, double) nounwind readonly 44
