; RUN: llc < %s -mtriple=arm-apple-darwin -mcpu=cortex-a8 | FileCheck %s ; rdar://8598427 ; Adjust if-converter heuristics to avoid predicating vmrs which can cause ; significant regression. %struct.xyz_t = type { double, double, double } define i32 @effie(i32 %tsets, %struct.xyz_t* nocapture %p, i32 %a, i32 %b, i32 %c) nounwind readonly noinline { ; CHECK-LABEL: effie: entry: %0 = icmp sgt i32 %tsets, 0 br i1 %0, label %bb.nph, label %bb6 bb.nph: ; preds = %entry %1 = add nsw i32 %b, %a %2 = add nsw i32 %1, %c br label %bb bb: ; preds = %bb4, %bb.nph ; CHECK: vcmp.f64 ; CHECK: vmrs APSR_nzcv, fpscr %r.19 = phi i32 [ 0, %bb.nph ], [ %r.0, %bb4 ] %n.08 = phi i32 [ 0, %bb.nph ], [ %10, %bb4 ] %scevgep10 = getelementptr inbounds %struct.xyz_t, %struct.xyz_t* %p, i32 %n.08, i32 0 %scevgep11 = getelementptr %struct.xyz_t, %struct.xyz_t* %p, i32 %n.08, i32 1 %3 = load double, double* %scevgep10, align 4 %4 = load double, double* %scevgep11, align 4 %5 = fcmp uge double %3, %4 br i1 %5, label %bb3, label %bb1 bb1: ; preds = %bb ; CHECK-NOT: it ; CHECK-NOT: vcmpmi ; CHECK-NOT: vmrsmi ; CHECK: vcmp.f64 ; CHECK: vmrs APSR_nzcv, fpscr %scevgep12 = getelementptr %struct.xyz_t, %struct.xyz_t* %p, i32 %n.08, i32 2 %6 = load double, double* %scevgep12, align 4 %7 = fcmp uge double %3, %6 br i1 %7, label %bb3, label %bb2 bb2: ; preds = %bb1 %8 = add nsw i32 %2, %r.19 br label %bb4 bb3: ; preds = %bb1, %bb %9 = add nsw i32 %r.19, 1 br label %bb4 bb4: ; preds = %bb3, %bb2 %r.0 = phi i32 [ %9, %bb3 ], [ %8, %bb2 ] %10 = add nsw i32 %n.08, 1 %exitcond = icmp eq i32 %10, %tsets br i1 %exitcond, label %bb6, label %bb bb6: ; preds = %bb4, %entry %r.1.lcssa = phi i32 [ 0, %entry ], [ %r.0, %bb4 ] ret i32 %r.1.lcssa }