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1; REQUIRES: asserts2; RUN: opt -passes=mergefunc -stats -disable-output < %s 2>&1 | grep "functions merged"3 4; This test is checks whether we can merge5; vector<intptr_t>::push_back(0)6; and7; vector<ptr>::push_back(0)8; .9 10target 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"11target triple = "x86_64-unknown-linux-gnu"12 13%0 = type { i32, ptr, ptr }14%1 = type { i64, i1 }15%"class.std::vector" = type { [24 x i8] }16 17@vi = global %"class.std::vector" zeroinitializer, align 818@__dso_handle = external unnamed_addr global ptr19@vp = global %"class.std::vector" zeroinitializer, align 820@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, ptr @_GLOBAL__I_a, ptr null }]21 22define linkonce_odr void @_ZNSt6vectorIlSaIlEED1Ev(ptr nocapture %this) unnamed_addr align 2 {23entry:24 %tmp3.i.i = load ptr, ptr %this, align 825 %tobool.i.i.i = icmp eq ptr %tmp3.i.i, null26 br i1 %tobool.i.i.i, label %_ZNSt6vectorIlSaIlEED2Ev.exit, label %if.then.i.i.i27 28if.then.i.i.i: ; preds = %entry29 tail call void @_ZdlPv(ptr %tmp3.i.i) nounwind30 ret void31 32_ZNSt6vectorIlSaIlEED2Ev.exit: ; preds = %entry33 ret void34}35 36declare i32 @__cxa_atexit(ptr, ptr, ptr)37 38define linkonce_odr void @_ZNSt6vectorIPvSaIS0_EED1Ev(ptr nocapture %this) unnamed_addr align 2 {39entry:40 %tmp3.i.i = load ptr, ptr %this, align 841 %tobool.i.i.i = icmp eq ptr %tmp3.i.i, null42 br i1 %tobool.i.i.i, label %_ZNSt6vectorIPvSaIS0_EED2Ev.exit, label %if.then.i.i.i43 44if.then.i.i.i: ; preds = %entry45 tail call void @_ZdlPv(ptr %tmp3.i.i) nounwind46 ret void47 48_ZNSt6vectorIPvSaIS0_EED2Ev.exit: ; preds = %entry49 ret void50}51 52declare void @_Z1fv()53 54declare void @_ZNSt6vectorIPvSaIS0_EE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPS0_S2_EERKS0_(ptr nocapture %this, ptr %__position.coerce, ptr nocapture %__x) align 255 56declare void @_ZdlPv(ptr) nounwind57 58declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind59 60declare void @_ZSt17__throw_bad_allocv() noreturn61 62declare noalias ptr @_Znwm(i64)63 64declare void @_ZNSt6vectorIlSaIlEE13_M_insert_auxEN9__gnu_cxx17__normal_iteratorIPlS1_EERKl(ptr nocapture %this, ptr %__position.coerce, ptr nocapture %__x) align 265 66declare void @_GLOBAL__I_a()67 68declare %0 @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone69