1; RUN: opt -mergefunc -stats -disable-output < %s |& grep {functions merged} 2 3; This test is checks whether we can merge 4; vector<intptr_t>::push_back(0) 5; and 6; vector<void *>::push_back(0) 7; . 8 9target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 10target triple = "x86_64-unknown-linux-gnu" 11 12%0 = type { i32, void ()* } 13%1 = type { i64, i1 } 14%"class.std::vector" = type { [24 x i8] } 15 16@vi = global %"class.std::vector" zeroinitializer, align 8 17@__dso_handle = external unnamed_addr global i8* 18@vp = global %"class.std::vector" zeroinitializer, align 8 19@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a }] 20 21define linkonce_odr void @_ZNSt6vectorIlSaIlEED1Ev(%"class.std::vector"* nocapture %this) unnamed_addr align 2 { 22entry: 23 %tmp2.i.i = bitcast %"class.std::vector"* %this to i64** 24 %tmp3.i.i = load i64** %tmp2.i.i, align 8, !tbaa !0 25 %tobool.i.i.i = icmp eq i64* %tmp3.i.i, null 26 br i1 %tobool.i.i.i, label %_ZNSt6vectorIlSaIlEED2Ev.exit, label %if.then.i.i.i 27 28if.then.i.i.i: ; preds = %entry 29 %0 = bitcast i64* %tmp3.i.i to i8* 30 tail call void @_ZdlPv(i8* %0) nounwind 31 ret void 32 33_ZNSt6vectorIlSaIlEED2Ev.exit: ; preds = %entry 34 ret void 35} 36 37declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) 38 39define linkonce_odr void @_ZNSt6vectorIPvSaIS0_EED1Ev(%"class.std::vector"* nocapture %this) unnamed_addr align 2 { 40entry: 41 %tmp2.i.i = bitcast %"class.std::vector"* %this to i8*** 42 %tmp3.i.i = load i8*** %tmp2.i.i, align 8, !tbaa !0 43 %tobool.i.i.i = icmp eq i8** %tmp3.i.i, null 44 br i1 %tobool.i.i.i, label %_ZNSt6vectorIPvSaIS0_EED2Ev.exit, label %if.then.i.i.i 45 46if.then.i.i.i: ; preds = %entry 47 %0 = bitcast i8** %tmp3.i.i to i8* 48 tail call void @_ZdlPv(i8* %0) nounwind 49 ret void 50 51_ZNSt6vectorIPvSaIS0_EED2Ev.exit: ; preds = %entry 52 ret void 53} 54 55declare void @_Z1fv() 56 57declare void @_ZNSt6vectorIPvSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_(%"class.std::vector"* nocapture %this, i8** %__position.coerce, i8** nocapture %__x) align 2 58 59declare void @_ZdlPv(i8*) nounwind 60 61declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind 62 63declare void @_ZSt17__throw_bad_allocv() noreturn 64 65declare noalias i8* @_Znwm(i64) 66 67declare void @_ZNSt6vectorIlSaIlEE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPlS1_EERKl(%"class.std::vector"* nocapture %this, i64* %__position.coerce, i64* nocapture %__x) align 2 68 69declare void @_GLOBAL__I_a() 70 71declare %1 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone 72 73!0 = metadata !{metadata !"any pointer", metadata !1} 74!1 = metadata !{metadata !"omnipotent char", metadata !2} 75!2 = metadata !{metadata !"Simple C/C++ TBAA", null} 76!3 = metadata !{metadata !"long", metadata !1} 77