1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=arm-apple-darwin -mcpu=cortex-a8 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; rdar://8598427 3*9880d681SAndroid Build Coastguard Worker; Adjust if-converter heuristics to avoid predicating vmrs which can cause 4*9880d681SAndroid Build Coastguard Worker; significant regression. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker%struct.xyz_t = type { double, double, double } 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine i32 @effie(i32 %tsets, %struct.xyz_t* nocapture %p, i32 %a, i32 %b, i32 %c) nounwind readonly noinline { 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: effie: 10*9880d681SAndroid Build Coastguard Workerentry: 11*9880d681SAndroid Build Coastguard Worker %0 = icmp sgt i32 %tsets, 0 12*9880d681SAndroid Build Coastguard Worker br i1 %0, label %bb.nph, label %bb6 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerbb.nph: ; preds = %entry 15*9880d681SAndroid Build Coastguard Worker %1 = add nsw i32 %b, %a 16*9880d681SAndroid Build Coastguard Worker %2 = add nsw i32 %1, %c 17*9880d681SAndroid Build Coastguard Worker br label %bb 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerbb: ; preds = %bb4, %bb.nph 20*9880d681SAndroid Build Coastguard Worker; CHECK: vcmpe.f64 21*9880d681SAndroid Build Coastguard Worker; CHECK: vmrs APSR_nzcv, fpscr 22*9880d681SAndroid Build Coastguard Worker %r.19 = phi i32 [ 0, %bb.nph ], [ %r.0, %bb4 ] 23*9880d681SAndroid Build Coastguard Worker %n.08 = phi i32 [ 0, %bb.nph ], [ %10, %bb4 ] 24*9880d681SAndroid Build Coastguard Worker %scevgep10 = getelementptr inbounds %struct.xyz_t, %struct.xyz_t* %p, i32 %n.08, i32 0 25*9880d681SAndroid Build Coastguard Worker %scevgep11 = getelementptr %struct.xyz_t, %struct.xyz_t* %p, i32 %n.08, i32 1 26*9880d681SAndroid Build Coastguard Worker %3 = load double, double* %scevgep10, align 4 27*9880d681SAndroid Build Coastguard Worker %4 = load double, double* %scevgep11, align 4 28*9880d681SAndroid Build Coastguard Worker %5 = fcmp uge double %3, %4 29*9880d681SAndroid Build Coastguard Worker br i1 %5, label %bb3, label %bb1 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Workerbb1: ; preds = %bb 32*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: it 33*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: vcmpemi 34*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: vmrsmi 35*9880d681SAndroid Build Coastguard Worker; CHECK: vcmpe.f64 36*9880d681SAndroid Build Coastguard Worker; CHECK: vmrs APSR_nzcv, fpscr 37*9880d681SAndroid Build Coastguard Worker %scevgep12 = getelementptr %struct.xyz_t, %struct.xyz_t* %p, i32 %n.08, i32 2 38*9880d681SAndroid Build Coastguard Worker %6 = load double, double* %scevgep12, align 4 39*9880d681SAndroid Build Coastguard Worker %7 = fcmp uge double %3, %6 40*9880d681SAndroid Build Coastguard Worker br i1 %7, label %bb3, label %bb2 41*9880d681SAndroid Build Coastguard Worker 42*9880d681SAndroid Build Coastguard Workerbb2: ; preds = %bb1 43*9880d681SAndroid Build Coastguard Worker %8 = add nsw i32 %2, %r.19 44*9880d681SAndroid Build Coastguard Worker br label %bb4 45*9880d681SAndroid Build Coastguard Worker 46*9880d681SAndroid Build Coastguard Workerbb3: ; preds = %bb1, %bb 47*9880d681SAndroid Build Coastguard Worker %9 = add nsw i32 %r.19, 1 48*9880d681SAndroid Build Coastguard Worker br label %bb4 49*9880d681SAndroid Build Coastguard Worker 50*9880d681SAndroid Build Coastguard Workerbb4: ; preds = %bb3, %bb2 51*9880d681SAndroid Build Coastguard Worker %r.0 = phi i32 [ %9, %bb3 ], [ %8, %bb2 ] 52*9880d681SAndroid Build Coastguard Worker %10 = add nsw i32 %n.08, 1 53*9880d681SAndroid Build Coastguard Worker %exitcond = icmp eq i32 %10, %tsets 54*9880d681SAndroid Build Coastguard Worker br i1 %exitcond, label %bb6, label %bb 55*9880d681SAndroid Build Coastguard Worker 56*9880d681SAndroid Build Coastguard Workerbb6: ; preds = %bb4, %entry 57*9880d681SAndroid Build Coastguard Worker %r.1.lcssa = phi i32 [ 0, %entry ], [ %r.0, %bb4 ] 58*9880d681SAndroid Build Coastguard Worker ret i32 %r.1.lcssa 59*9880d681SAndroid Build Coastguard Worker} 60