1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; CHECK: no_crash 4*9880d681SAndroid Build Coastguard Workerdefine float @no_crash(float %a) nounwind { 5*9880d681SAndroid Build Coastguard Workerentry: 6*9880d681SAndroid Build Coastguard Worker br label %for.body 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerfor.body: 9*9880d681SAndroid Build Coastguard Worker %sum.057 = phi float [ 0.000000e+00, %entry ], [ %add5, %bb0 ] 10*9880d681SAndroid Build Coastguard Worker %add5 = fadd float %sum.057, %a ; PR14592 11*9880d681SAndroid Build Coastguard Worker br i1 undef, label %bb0, label %end 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerbb0: 14*9880d681SAndroid Build Coastguard Worker br label %for.body 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerend: 17*9880d681SAndroid Build Coastguard Worker ret float %add5 18*9880d681SAndroid Build Coastguard Worker} 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @pr21377( 21*9880d681SAndroid Build Coastguard Workerdefine void @pr21377(i32) { 22*9880d681SAndroid Build Coastguard Workerentry: 23*9880d681SAndroid Build Coastguard Worker br label %while.body 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerwhile.body: ; preds = %if.end, %entry 26*9880d681SAndroid Build Coastguard Worker %phi1 = phi i64 [ undef, %entry ], [ %or2, %if.end ] 27*9880d681SAndroid Build Coastguard Worker %zext = zext i32 %0 to i64 28*9880d681SAndroid Build Coastguard Worker br i1 undef, label %if.end, label %if.else 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerif.else: ; preds = %while.body 31*9880d681SAndroid Build Coastguard Worker %or1 = or i64 %phi1, %zext 32*9880d681SAndroid Build Coastguard Worker %and = and i64 %or1, 4294967295 33*9880d681SAndroid Build Coastguard Worker br label %if.end 34*9880d681SAndroid Build Coastguard Worker 35*9880d681SAndroid Build Coastguard Workerif.end: ; preds = %if.else, %while.body 36*9880d681SAndroid Build Coastguard Worker %phi2 = phi i64 [ %and, %if.else ], [ undef, %while.body ] 37*9880d681SAndroid Build Coastguard Worker %or2 = or i64 %phi2, %zext 38*9880d681SAndroid Build Coastguard Worker br label %while.body 39*9880d681SAndroid Build Coastguard Worker} 40