; RUN: llc -O2 -march=hexagon -mcpu=hexagonv5 < %s | FileCheck %s ; we do not want to see a segv. ; CHECK-NOT: segmentation ; CHECK: call target datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32" target triple = "hexagon" %"class.std::__1::basic_string" = type { %"class.std::__1::__compressed_pair" } %"class.std::__1::__compressed_pair" = type { %"class.std::__1::__libcpp_compressed_pair_imp" } %"class.std::__1::__libcpp_compressed_pair_imp" = type { %"struct.std::__1::basic_string, std::__1::allocator >::__rep" } %"struct.std::__1::basic_string, std::__1::allocator >::__rep" = type { %union.anon } %union.anon = type { %"struct.std::__1::basic_string, std::__1::allocator >::__long" } %"struct.std::__1::basic_string, std::__1::allocator >::__long" = type { i32, i32, ptr } %"class.std::__1::ios_base" = type { ptr, i32, i32, i32, i32, i32, ptr, ptr, ptr, ptr, i32, i32, ptr, i32, i32, ptr, i32, i32 } %"class.std::__1::basic_streambuf" = type { ptr, %"class.std::__1::locale", ptr, ptr, ptr, ptr, ptr, ptr } %"class.std::__1::locale" = type { ptr } %"class.std::__1::locale::__imp" = type opaque %"class.std::__1::allocator" = type { i8 } %"class.std::__1::ostreambuf_iterator" = type { ptr } %"class.std::__1::__basic_string_common" = type { i8 } %"struct.std::__1::basic_string, std::__1::allocator >::__short" = type { %union.anon.0, [11 x i8] } %union.anon.0 = type { i8 } ; Function Attrs: nounwind declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #0 declare i32 @__gxx_personality_v0(...) ; Function Attrs: nounwind declare void @_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED1Ev(ptr) #1 define weak_odr hidden i32 @_ZNSt3__116__pad_and_outputIcNS_11char_traitsIcEEEENS_19ostreambuf_iteratorIT_T0_EES6_PKS4_S8_S8_RNS_8ios_baseES4_(i32 %__s.coerce, ptr %__ob, ptr %__op, ptr %__oe, ptr nonnull %__iob, i8 zeroext %__fl) #2 personality ptr @__gxx_personality_v0 { entry: %this.addr.i66 = alloca ptr, align 4 %__s.addr.i67 = alloca ptr, align 4 %__n.addr.i68 = alloca i32, align 4 %__p.addr.i.i = alloca ptr, align 4 %this.addr.i.i.i13.i.i = alloca ptr, align 4 %this.addr.i.i14.i.i = alloca ptr, align 4 %this.addr.i15.i.i = alloca ptr, align 4 %__x.addr.i.i.i.i.i = alloca ptr, align 4 %__r.addr.i.i.i.i = alloca ptr, align 4 %this.addr.i.i.i4.i.i = alloca ptr, align 4 %this.addr.i.i5.i.i = alloca ptr, align 4 %this.addr.i6.i.i = alloca ptr, align 4 %this.addr.i.i.i.i.i56 = alloca ptr, align 4 %this.addr.i.i.i.i57 = alloca ptr, align 4 %this.addr.i.i.i58 = alloca ptr, align 4 %this.addr.i.i59 = alloca ptr, align 4 %this.addr.i60 = alloca ptr, align 4 %this.addr.i.i.i.i.i = alloca ptr, align 4 %this.addr.i.i.i.i = alloca ptr, align 4 %this.addr.i.i.i = alloca ptr, align 4 %this.addr.i.i = alloca ptr, align 4 %__n.addr.i.i = alloca i32, align 4 %__c.addr.i.i = alloca i8, align 1 %this.addr.i53 = alloca ptr, align 4 %__n.addr.i54 = alloca i32, align 4 %__c.addr.i = alloca i8, align 1 %this.addr.i46 = alloca ptr, align 4 %__s.addr.i47 = alloca ptr, align 4 %__n.addr.i48 = alloca i32, align 4 %this.addr.i44 = alloca ptr, align 4 %__s.addr.i = alloca ptr, align 4 %__n.addr.i = alloca i32, align 4 %this.addr.i41 = alloca ptr, align 4 %__wide.addr.i = alloca i32, align 4 %__r.i = alloca i32, align 4 %this.addr.i = alloca ptr, align 4 %retval = alloca %"class.std::__1::ostreambuf_iterator", align 4 %__s = alloca %"class.std::__1::ostreambuf_iterator", align 4 %__ob.addr = alloca ptr, align 4 %__op.addr = alloca ptr, align 4 %__oe.addr = alloca ptr, align 4 %__iob.addr = alloca ptr, align 4 %__fl.addr = alloca i8, align 1 %__sz = alloca i32, align 4 %__ns = alloca i32, align 4 %__np = alloca i32, align 4 %__sp = alloca %"class.std::__1::basic_string", align 4 %exn.slot = alloca ptr %ehselector.slot = alloca i32 %cleanup.dest.slot = alloca i32 %coerce.val.ip = inttoptr i32 %__s.coerce to ptr store ptr %coerce.val.ip, ptr %__s store ptr %__ob, ptr %__ob.addr, align 4 store ptr %__op, ptr %__op.addr, align 4 store ptr %__oe, ptr %__oe.addr, align 4 store ptr %__iob, ptr %__iob.addr, align 4 store i8 %__fl, ptr %__fl.addr, align 1 %0 = load ptr, ptr %__s, align 4 %cmp = icmp eq ptr %0, null br i1 %cmp, label %if.then, label %if.end if.then: ; preds = %entry call void @llvm.memcpy.p0.p0.i32(ptr align 4 %retval, ptr align 4 %__s, i32 4, i1 false) br label %return if.end: ; preds = %entry %1 = load ptr, ptr %__oe.addr, align 4 %2 = load ptr, ptr %__ob.addr, align 4 %sub.ptr.lhs.cast = ptrtoint ptr %1 to i32 %sub.ptr.rhs.cast = ptrtoint ptr %2 to i32 %sub.ptr.sub = sub i32 %sub.ptr.lhs.cast, %sub.ptr.rhs.cast store i32 %sub.ptr.sub, ptr %__sz, align 4 %3 = load ptr, ptr %__iob.addr, align 4 store ptr %3, ptr %this.addr.i, align 4 %this1.i = load ptr, ptr %this.addr.i %__width_.i = getelementptr inbounds %"class.std::__1::ios_base", ptr %this1.i, i32 0, i32 3 %4 = load i32, ptr %__width_.i, align 4 store i32 %4, ptr %__ns, align 4 %5 = load i32, ptr %__ns, align 4 %6 = load i32, ptr %__sz, align 4 %cmp1 = icmp sgt i32 %5, %6 br i1 %cmp1, label %if.then2, label %if.else if.then2: ; preds = %if.end %7 = load i32, ptr %__sz, align 4 %8 = load i32, ptr %__ns, align 4 %sub = sub nsw i32 %8, %7 store i32 %sub, ptr %__ns, align 4 br label %if.end3 if.else: ; preds = %if.end store i32 0, ptr %__ns, align 4 br label %if.end3 if.end3: ; preds = %if.else, %if.then2 %9 = load ptr, ptr %__op.addr, align 4 %10 = load ptr, ptr %__ob.addr, align 4 %sub.ptr.lhs.cast4 = ptrtoint ptr %9 to i32 %sub.ptr.rhs.cast5 = ptrtoint ptr %10 to i32 %sub.ptr.sub6 = sub i32 %sub.ptr.lhs.cast4, %sub.ptr.rhs.cast5 store i32 %sub.ptr.sub6, ptr %__np, align 4 %11 = load i32, ptr %__np, align 4 %cmp7 = icmp sgt i32 %11, 0 br i1 %cmp7, label %if.then8, label %if.end15 if.then8: ; preds = %if.end3 %12 = load ptr, ptr %__s, align 4 %13 = load ptr, ptr %__ob.addr, align 4 %14 = load i32, ptr %__np, align 4 store ptr %12, ptr %this.addr.i46, align 4 store ptr %13, ptr %__s.addr.i47, align 4 store i32 %14, ptr %__n.addr.i48, align 4 %this1.i49 = load ptr, ptr %this.addr.i46 %vtable.i50 = load ptr, ptr %this1.i49 %vfn.i51 = getelementptr inbounds ptr, ptr %vtable.i50, i64 12 %15 = load ptr, ptr %vfn.i51 %16 = load ptr, ptr %__s.addr.i47, align 4 %17 = load i32, ptr %__n.addr.i48, align 4 %call.i52 = call i32 %15(ptr %this1.i49, ptr %16, i32 %17) %18 = load i32, ptr %__np, align 4 %cmp11 = icmp ne i32 %call.i52, %18 br i1 %cmp11, label %if.then12, label %if.end14 if.then12: ; preds = %if.then8 store ptr null, ptr %__s, align 4 call void @llvm.memcpy.p0.p0.i32(ptr align 4 %retval, ptr align 4 %__s, i32 4, i1 false) br label %return if.end14: ; preds = %if.then8 br label %if.end15 if.end15: ; preds = %if.end14, %if.end3 %19 = load i32, ptr %__ns, align 4 %cmp16 = icmp sgt i32 %19, 0 br i1 %cmp16, label %if.then17, label %if.end25 if.then17: ; preds = %if.end15 %20 = load i32, ptr %__ns, align 4 %21 = load i8, ptr %__fl.addr, align 1 store ptr %__sp, ptr %this.addr.i53, align 4 store i32 %20, ptr %__n.addr.i54, align 4 store i8 %21, ptr %__c.addr.i, align 1 %this1.i55 = load ptr, ptr %this.addr.i53 %22 = load i32, ptr %__n.addr.i54, align 4 %23 = load i8, ptr %__c.addr.i, align 1 store ptr %this1.i55, ptr %this.addr.i.i, align 4 store i32 %22, ptr %__n.addr.i.i, align 4 store i8 %23, ptr %__c.addr.i.i, align 1 %this1.i.i = load ptr, ptr %this.addr.i.i store ptr %this1.i.i, ptr %this.addr.i.i.i, align 4 %this1.i.i.i = load ptr, ptr %this.addr.i.i.i store ptr %this1.i.i.i, ptr %this.addr.i.i.i.i, align 4 %this1.i.i.i.i = load ptr, ptr %this.addr.i.i.i.i store ptr %this1.i.i.i.i, ptr %this.addr.i.i.i.i.i, align 4 %this1.i.i.i.i.i = load ptr, ptr %this.addr.i.i.i.i.i %24 = load i32, ptr %__n.addr.i.i, align 4 %25 = load i8, ptr %__c.addr.i.i, align 1 call void @_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE6__initEjc(ptr %this1.i.i, i32 %24, i8 zeroext %25) %26 = load ptr, ptr %__s, align 4 store ptr %__sp, ptr %this.addr.i60, align 4 %this1.i61 = load ptr, ptr %this.addr.i60 store ptr %this1.i61, ptr %this.addr.i.i59, align 4 %this1.i.i62 = load ptr, ptr %this.addr.i.i59 store ptr %this1.i.i62, ptr %this.addr.i.i.i58, align 4 %this1.i.i.i63 = load ptr, ptr %this.addr.i.i.i58 store ptr %this1.i.i.i63, ptr %this.addr.i.i.i.i57, align 4 %this1.i.i.i.i64 = load ptr, ptr %this.addr.i.i.i.i57 store ptr %this1.i.i.i.i64, ptr %this.addr.i.i.i.i.i56, align 4 %this1.i.i.i.i.i65 = load ptr, ptr %this.addr.i.i.i.i.i56 %27 = getelementptr inbounds %"struct.std::__1::basic_string, std::__1::allocator >::__rep", ptr %this1.i.i.i.i.i65, i32 0, i32 0 %28 = getelementptr inbounds %"struct.std::__1::basic_string, std::__1::allocator >::__short", ptr %27, i32 0, i32 0 %29 = load i8, ptr %28, align 1 %conv.i.i.i = zext i8 %29 to i32 %and.i.i.i = and i32 %conv.i.i.i, 1 %tobool.i.i.i = icmp ne i32 %and.i.i.i, 0 br i1 %tobool.i.i.i, label %cond.true.i.i, label %cond.false.i.i cond.true.i.i: ; preds = %if.then17 store ptr %this1.i.i62, ptr %this.addr.i15.i.i, align 4 %this1.i16.i.i = load ptr, ptr %this.addr.i15.i.i store ptr %this1.i16.i.i, ptr %this.addr.i.i14.i.i, align 4 %this1.i.i18.i.i = load ptr, ptr %this.addr.i.i14.i.i store ptr %this1.i.i18.i.i, ptr %this.addr.i.i.i13.i.i, align 4 %this1.i.i.i19.i.i = load ptr, ptr %this.addr.i.i.i13.i.i %30 = getelementptr inbounds %"struct.std::__1::basic_string, std::__1::allocator >::__rep", ptr %this1.i.i.i19.i.i, i32 0, i32 0 %__data_.i21.i.i = getelementptr inbounds %"struct.std::__1::basic_string, std::__1::allocator >::__long", ptr %30, i32 0, i32 2 %31 = load ptr, ptr %__data_.i21.i.i, align 4 br label %_ZNKSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4dataEv.exit cond.false.i.i: ; preds = %if.then17 store ptr %this1.i.i62, ptr %this.addr.i6.i.i, align 4 %this1.i7.i.i = load ptr, ptr %this.addr.i6.i.i store ptr %this1.i7.i.i, ptr %this.addr.i.i5.i.i, align 4 %this1.i.i9.i.i = load ptr, ptr %this.addr.i.i5.i.i store ptr %this1.i.i9.i.i, ptr %this.addr.i.i.i4.i.i, align 4 %this1.i.i.i10.i.i = load ptr, ptr %this.addr.i.i.i4.i.i %32 = getelementptr inbounds %"struct.std::__1::basic_string, std::__1::allocator >::__rep", ptr %this1.i.i.i10.i.i, i32 0, i32 0 %__data_.i.i.i = getelementptr inbounds %"struct.std::__1::basic_string, std::__1::allocator >::__short", ptr %32, i32 0, i32 1 store ptr %__data_.i.i.i, ptr %__r.addr.i.i.i.i, align 4 %33 = load ptr, ptr %__r.addr.i.i.i.i, align 4 store ptr %33, ptr %__x.addr.i.i.i.i.i, align 4 %34 = load ptr, ptr %__x.addr.i.i.i.i.i, align 4 br label %_ZNKSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4dataEv.exit _ZNKSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4dataEv.exit: ; preds = %cond.false.i.i, %cond.true.i.i %cond.i.i = phi ptr [ %31, %cond.true.i.i ], [ %34, %cond.false.i.i ] store ptr %cond.i.i, ptr %__p.addr.i.i, align 4 %35 = load ptr, ptr %__p.addr.i.i, align 4 %36 = load i32, ptr %__ns, align 4 store ptr %26, ptr %this.addr.i66, align 4 store ptr %35, ptr %__s.addr.i67, align 4 store i32 %36, ptr %__n.addr.i68, align 4 %this1.i69 = load ptr, ptr %this.addr.i66 %vtable.i70 = load ptr, ptr %this1.i69 %vfn.i71 = getelementptr inbounds ptr, ptr %vtable.i70, i64 12 %37 = load ptr, ptr %vfn.i71 %38 = load ptr, ptr %__s.addr.i67, align 4 %39 = load i32, ptr %__n.addr.i68, align 4 %call.i7273 = invoke i32 %37(ptr %this1.i69, ptr %38, i32 %39) to label %_ZNSt3__115basic_streambufIcNS_11char_traitsIcEEE5sputnEPKci.exit unwind label %lpad _ZNSt3__115basic_streambufIcNS_11char_traitsIcEEE5sputnEPKci.exit: ; preds = %_ZNKSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4dataEv.exit br label %invoke.cont invoke.cont: ; preds = %_ZNSt3__115basic_streambufIcNS_11char_traitsIcEEE5sputnEPKci.exit %40 = load i32, ptr %__ns, align 4 %cmp21 = icmp ne i32 %call.i7273, %40 br i1 %cmp21, label %if.then22, label %if.end24 if.then22: ; preds = %invoke.cont store ptr null, ptr %__s, align 4 call void @llvm.memcpy.p0.p0.i32(ptr align 4 %retval, ptr align 4 %__s, i32 4, i1 false) store i32 1, ptr %cleanup.dest.slot br label %cleanup lpad: ; preds = %_ZNKSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE4dataEv.exit %41 = landingpad { ptr, i32 } cleanup %42 = extractvalue { ptr, i32 } %41, 0 store ptr %42, ptr %exn.slot %43 = extractvalue { ptr, i32 } %41, 1 store i32 %43, ptr %ehselector.slot call void @_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED1Ev(ptr %__sp) #0 br label %eh.resume if.end24: ; preds = %invoke.cont store i32 0, ptr %cleanup.dest.slot br label %cleanup cleanup: ; preds = %if.end24, %if.then22 call void @_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEED1Ev(ptr %__sp) #0 %cleanup.dest = load i32, ptr %cleanup.dest.slot switch i32 %cleanup.dest, label %unreachable [ i32 0, label %cleanup.cont i32 1, label %return ] cleanup.cont: ; preds = %cleanup br label %if.end25 if.end25: ; preds = %cleanup.cont, %if.end15 %44 = load ptr, ptr %__oe.addr, align 4 %45 = load ptr, ptr %__op.addr, align 4 %sub.ptr.lhs.cast26 = ptrtoint ptr %44 to i32 %sub.ptr.rhs.cast27 = ptrtoint ptr %45 to i32 %sub.ptr.sub28 = sub i32 %sub.ptr.lhs.cast26, %sub.ptr.rhs.cast27 store i32 %sub.ptr.sub28, ptr %__np, align 4 %46 = load i32, ptr %__np, align 4 %cmp29 = icmp sgt i32 %46, 0 br i1 %cmp29, label %if.then30, label %if.end37 if.then30: ; preds = %if.end25 %47 = load ptr, ptr %__s, align 4 %48 = load ptr, ptr %__op.addr, align 4 %49 = load i32, ptr %__np, align 4 store ptr %47, ptr %this.addr.i44, align 4 store ptr %48, ptr %__s.addr.i, align 4 store i32 %49, ptr %__n.addr.i, align 4 %this1.i45 = load ptr, ptr %this.addr.i44 %vtable.i = load ptr, ptr %this1.i45 %vfn.i = getelementptr inbounds ptr, ptr %vtable.i, i64 12 %50 = load ptr, ptr %vfn.i %51 = load ptr, ptr %__s.addr.i, align 4 %52 = load i32, ptr %__n.addr.i, align 4 %call.i = call i32 %50(ptr %this1.i45, ptr %51, i32 %52) %53 = load i32, ptr %__np, align 4 %cmp33 = icmp ne i32 %call.i, %53 br i1 %cmp33, label %if.then34, label %if.end36 if.then34: ; preds = %if.then30 store ptr null, ptr %__s, align 4 call void @llvm.memcpy.p0.p0.i32(ptr align 4 %retval, ptr align 4 %__s, i32 4, i1 false) br label %return if.end36: ; preds = %if.then30 br label %if.end37 if.end37: ; preds = %if.end36, %if.end25 %54 = load ptr, ptr %__iob.addr, align 4 store ptr %54, ptr %this.addr.i41, align 4 store i32 0, ptr %__wide.addr.i, align 4 %this1.i42 = load ptr, ptr %this.addr.i41 %__width_.i43 = getelementptr inbounds %"class.std::__1::ios_base", ptr %this1.i42, i32 0, i32 3 %55 = load i32, ptr %__width_.i43, align 4 store i32 %55, ptr %__r.i, align 4 %56 = load i32, ptr %__wide.addr.i, align 4 %__width_2.i = getelementptr inbounds %"class.std::__1::ios_base", ptr %this1.i42, i32 0, i32 3 store i32 %56, ptr %__width_2.i, align 4 %57 = load i32, ptr %__r.i, align 4 call void @llvm.memcpy.p0.p0.i32(ptr align 4 %retval, ptr align 4 %__s, i32 4, i1 false) br label %return return: ; preds = %if.end37, %if.then34, %cleanup, %if.then12, %if.then %58 = load ptr, ptr %retval %coerce.val.pi = ptrtoint ptr %58 to i32 ret i32 %coerce.val.pi eh.resume: ; preds = %lpad %exn = load ptr, ptr %exn.slot %sel = load i32, ptr %ehselector.slot %lpad.val = insertvalue { ptr, i32 } undef, ptr %exn, 0 %lpad.val40 = insertvalue { ptr, i32 } %lpad.val, i32 %sel, 1 resume { ptr, i32 } %lpad.val40 unreachable: ; preds = %cleanup unreachable } declare void @_ZNSt3__112basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEE6__initEjc(ptr, i32, i8 zeroext) #2 attributes #0 = { nounwind } attributes #1 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #2 = { "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } !llvm.ident = !{!0} !0 = !{!"Clang 3.1"}