extern-const.ll

; ModuleID = 'extern_const.7rcbfp3g-cgu.0'
source_filename = "extern_const.7rcbfp3g-cgu.0"
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-darwin"

%"unwind::libunwind::_Unwind_Exception" = type { [0 x i64], i64, [0 x i64], void (i32, %"unwind::libunwind::_Unwind_Exception"*)*, [0 x i64], [6 x i64], [0 x i64] }
%"unwind::libunwind::_Unwind_Context" = type { [0 x i8] }

@vtable.0 = private unnamed_addr constant { void (i8**)*, i64, i64, i32 (i8**)*, i32 (i8**)*, i32 (i8*)* } { void (i8**)* @_ZN4core3ptr13drop_in_place17hc14534eece999a74E, i64 8, i64 8, i32 (i8**)* @"_ZN3std2rt10lang_start28_$u7b$$u7b$closure$u7d$$u7d$17h2ab5e0001d4cd98cE", i32 (i8**)* @"_ZN3std2rt10lang_start28_$u7b$$u7b$closure$u7d$$u7d$17h2ab5e0001d4cd98cE", i32 (i8*)* @_ZN4core3ops8function6FnOnce9call_once17hbbcec13b4120ec4fE }, align 8
@C = external global i8

; std::rt::lang_start
; Function Attrs: uwtable
define hidden i64 @_ZN3std2rt10lang_start17h68b725913dfb2382E(void ()* nonnull %main, i64 %argc, i8** %argv) unnamed_addr #0 {
start:
  %_7 = alloca i8*, align 8
  %0 = bitcast i8** %_7 to void ()**
  store void ()* %main, void ()** %0, align 8
  %1 = bitcast i8** %_7 to {}*
; call std::rt::lang_start_internal
  %2 = call i64 @_ZN3std2rt19lang_start_internal17h2a0359a3e80fe152E({}* nonnull %1, [3 x i64]* noalias readonly dereferenceable(24) bitcast ({ void (i8**)*, i64, i64, i32 (i8**)*, i32 (i8**)*, i32 (i8*)* }* @vtable.0 to [3 x i64]*), i64 %argc, i8** %argv)
  br label %bb1

bb1:                                              ; preds = %start
  ret i64 %2
}

; std::rt::lang_start::{{closure}}
; Function Attrs: uwtable
define internal i32 @"_ZN3std2rt10lang_start28_$u7b$$u7b$closure$u7d$$u7d$17h2ab5e0001d4cd98cE"(i8** noalias readonly dereferenceable(8) %arg0) unnamed_addr #0 {
start:
  %0 = bitcast i8** %arg0 to void ()**
  %1 = load void ()*, void ()** %0, align 8, !nonnull !1
  call void %1()
  br label %bb1

bb1:                                              ; preds = %start
; call <() as std::process::Termination>::report
  %2 = call i32 @"_ZN54_$LT$$LP$$RP$$u20$as$u20$std..process..Termination$GT$6report17hd975198253364f2aE"()
  br label %bb2

bb2:                                              ; preds = %bb1
  ret i32 %2
}

; std::sys::unix::process::process_common::ExitCode::as_i32
; Function Attrs: inlinehint uwtable
define internal i32 @_ZN3std3sys4unix7process14process_common8ExitCode6as_i3217h67cd608f12564695E(i8* noalias readonly dereferenceable(1) %self) unnamed_addr #1 {
start:
  %0 = load i8, i8* %self, align 1
  %1 = zext i8 %0 to i32
  ret i32 %1
}

; core::ops::function::FnOnce::call_once
; Function Attrs: uwtable
define internal i32 @_ZN4core3ops8function6FnOnce9call_once17hbbcec13b4120ec4fE(i8* nonnull) unnamed_addr #0 personality i32 (i32, i32, i64, %"unwind::libunwind::_Unwind_Exception"*, %"unwind::libunwind::_Unwind_Context"*)* @rust_eh_personality {
start:
  %personalityslot = alloca { i8*, i32 }, align 8
  %arg1 = alloca {}, align 1
  %arg0 = alloca i8*, align 8
  store i8* %0, i8** %arg0, align 8
; invoke std::rt::lang_start::{{closure}}
  %1 = invoke i32 @"_ZN3std2rt10lang_start28_$u7b$$u7b$closure$u7d$$u7d$17h2ab5e0001d4cd98cE"(i8** noalias dereferenceable(8) %arg0)
          to label %bb1 unwind label %cleanup

bb1:                                              ; preds = %start
  br label %bb2

bb2:                                              ; preds = %bb1
  ret i32 %1

bb3:                                              ; preds = %cleanup
  br label %bb4

bb4:                                              ; preds = %bb3
  %2 = bitcast { i8*, i32 }* %personalityslot to i8**
  %3 = load i8*, i8** %2, align 8
  %4 = getelementptr inbounds { i8*, i32 }, { i8*, i32 }* %personalityslot, i32 0, i32 1
  %5 = load i32, i32* %4, align 4
  %6 = insertvalue { i8*, i32 } undef, i8* %3, 0
  %7 = insertvalue { i8*, i32 } %6, i32 %5, 1
  resume { i8*, i32 } %7

cleanup:                                          ; preds = %start
  %8 = landingpad { i8*, i32 }
          cleanup
  %9 = extractvalue { i8*, i32 } %8, 0
  %10 = extractvalue { i8*, i32 } %8, 1
  %11 = getelementptr inbounds { i8*, i32 }, { i8*, i32 }* %personalityslot, i32 0, i32 0
  store i8* %9, i8** %11, align 8
  %12 = getelementptr inbounds { i8*, i32 }, { i8*, i32 }* %personalityslot, i32 0, i32 1
  store i32 %10, i32* %12, align 8
  br label %bb3
}

; core::ptr::drop_in_place
; Function Attrs: uwtable
define internal void @_ZN4core3ptr13drop_in_place17hc14534eece999a74E(i8** %arg0) unnamed_addr #0 {
start:
  ret void
}

; <() as std::process::Termination>::report
; Function Attrs: inlinehint uwtable
define internal i32 @"_ZN54_$LT$$LP$$RP$$u20$as$u20$std..process..Termination$GT$6report17hd975198253364f2aE"() unnamed_addr #1 {
start:
; call <std::process::ExitCode as std::process::Termination>::report
  %0 = call i32 @"_ZN68_$LT$std..process..ExitCode$u20$as$u20$std..process..Termination$GT$6report17h986be17942fd684dE"(i8 0)
  br label %bb1

bb1:                                              ; preds = %start
  ret i32 %0
}

; <std::process::ExitCode as std::process::Termination>::report
; Function Attrs: inlinehint uwtable
define internal i32 @"_ZN68_$LT$std..process..ExitCode$u20$as$u20$std..process..Termination$GT$6report17h986be17942fd684dE"(i8) unnamed_addr #1 {
start:
  %self = alloca i8, align 1
  store i8 %0, i8* %self, align 1
; call std::sys::unix::process::process_common::ExitCode::as_i32
  %1 = call i32 @_ZN3std3sys4unix7process14process_common8ExitCode6as_i3217h67cd608f12564695E(i8* noalias readonly dereferenceable(1) %self)
  br label %bb1

bb1:                                              ; preds = %start
  ret i32 %1
}

; extern_const::main
; Function Attrs: uwtable
define internal void @_ZN12extern_const4main17hbff16dcccc4c621dE() unnamed_addr #0 {
start:
  %_x = alloca i8, align 1
  %0 = load i8, i8* @C, align 1
  store i8 %0, i8* %_x, align 1
  ret void
}

; std::rt::lang_start_internal
; Function Attrs: uwtable
declare i64 @_ZN3std2rt19lang_start_internal17h2a0359a3e80fe152E({}* nonnull, [3 x i64]* noalias readonly dereferenceable(24), i64, i8**) unnamed_addr #0

; Function Attrs: uwtable
declare i32 @rust_eh_personality(i32, i32, i64, %"unwind::libunwind::_Unwind_Exception"*, %"unwind::libunwind::_Unwind_Context"*) unnamed_addr #2

define i32 @main(i32, i8**) unnamed_addr #3 {
top:
  %2 = sext i32 %0 to i64
; call std::rt::lang_start
  %3 = call i64 @_ZN3std2rt10lang_start17h68b725913dfb2382E(void ()* @_ZN12extern_const4main17hbff16dcccc4c621dE, i64 %2, i8** %1)
  %4 = trunc i64 %3 to i32
  ret i32 %4
}

attributes #0 = { uwtable "no-frame-pointer-elim"="true" "probe-stack"="__rust_probestack" }
attributes #1 = { inlinehint uwtable "no-frame-pointer-elim"="true" "probe-stack"="__rust_probestack" }
attributes #2 = { uwtable "no-frame-pointer-elim"="true" "probe-stack"="__rust_probestack" "target-cpu"="core2" }
attributes #3 = { "no-frame-pointer-elim"="true" "target-cpu"="core2" }

!llvm.module.flags = !{!0}

!0 = !{i32 7, !"PIE Level", i32 2}
!1 = !{}