| ; RUN: llc < %s -mtriple=arm-apple-ios -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, i32* nocapture %solutions, double* nocapture %x) nounwind { |
| entry: |
| ; CHECK: t: |
| ; CHECK: vpop {d8} |
| ; CHECK-NOT: vpopne |
| ; CHECK: pop {r7, pc} |
| ; CHECK: vpop {d8} |
| ; CHECK: pop {r7, pc} |
| br i1 undef, label %if.else, label %if.then |
| |
| if.then: ; preds = %entry |
| %mul73 = fmul double undef, 0.000000e+00 |
| %sub76 = fsub double %mul73, undef |
| store double %sub76, double* undef, align 4 |
| %call88 = tail call double @cos(double 0.000000e+00) nounwind |
| %mul89 = fmul double undef, %call88 |
| %sub92 = fsub double %mul89, undef |
| store double %sub92, double* undef, align 4 |
| ret void |
| |
| if.else: ; preds = %entry |
| %tmp101 = tail call double @llvm.pow.f64(double undef, double 0x3FD5555555555555) |
| %add112 = fadd double %tmp101, undef |
| %mul118 = fmul double %add112, undef |
| store double 0.000000e+00, double* %x, align 4 |
| ret void |
| } |
| |
| declare double @acos(double) |
| |
| declare double @sqrt(double) readnone |
| |
| declare double @cos(double) readnone |
| |
| declare double @fabs(double) |
| |
| declare double @llvm.pow.f64(double, double) nounwind readonly |
