Semicompiled

unsigned char produce(void);
void consume(unsigned char);
static unsigned char x = 3;
unsigned char y = 4;
void myEntry(void)
{
    x = produce();
    consume(y);
}

; ModuleID = '/tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c'
source_filename = "/tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

@y = dso_local global i8 4, align 1
@x = internal global i8 3, align 1

; Function Attrs: noinline nounwind optnone uwtable
define dso_local void @myEntry() #0 {
  %1 = call zeroext i8 @produce()
  store i8 %1, i8* @x, align 1
  %2 = load i8, i8* @y, align 1
  call void @consume(i8 zeroext %2)
  ret void
}

declare dso_local zeroext i8 @produce() #1

declare dso_local void @consume(i8 zeroext) #1

attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }

!llvm.module.flags = !{!0}
!llvm.ident = !{!1}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"Debian clang version 11.0.1-2"}

; ModuleID = '/tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c'
source_filename = "/tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

@y = dso_local global i8 4, align 1, !dbg !0
@x = internal global i8 3, align 1, !dbg !6

; Function Attrs: noinline nounwind optnone uwtable
define dso_local void @myEntry() #0 !dbg !14 {
  %1 = call zeroext i8 @produce(), !dbg !17
  store i8 %1, i8* @x, align 1, !dbg !18
  %2 = load i8, i8* @y, align 1, !dbg !19
  call void @consume(i8 zeroext %2), !dbg !20
  ret void, !dbg !21
}

declare dso_local zeroext i8 @produce() #1

declare dso_local void @consume(i8 zeroext) #1

attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }

!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!10, !11, !12}
!llvm.ident = !{!13}

!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "y", scope: !2, file: !8, line: 4, type: !9, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "Debian clang version 11.0.1-2", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
!3 = !DIFile(filename: "/tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c", directory: "/__w/semicompiled/semicompiled")
!4 = !{}
!5 = !{!0, !6}
!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
!7 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !8, line: 3, type: !9, isLocal: true, isDefinition: true)
!8 = !DIFile(filename: "/tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c", directory: "")
!9 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char)
!10 = !{i32 7, !"Dwarf Version", i32 4}
!11 = !{i32 2, !"Debug Info Version", i32 3}
!12 = !{i32 1, !"wchar_size", i32 4}
!13 = !{!"Debian clang version 11.0.1-2"}
!14 = distinct !DISubprogram(name: "myEntry", scope: !8, file: !8, line: 5, type: !15, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !4)
!15 = !DISubroutineType(types: !16)
!16 = !{null}
!17 = !DILocation(line: 7, column: 9, scope: !14)
!18 = !DILocation(line: 7, column: 7, scope: !14)
!19 = !DILocation(line: 8, column: 13, scope: !14)
!20 = !DILocation(line: 8, column: 5, scope: !14)
!21 = !DILocation(line: 9, column: 1, scope: !14)

(module
  (type (;0;) (func))
  (type (;1;) (func (param i32)))
  (type (;2;) (func (result i32)))
  (import "env" "produce" (func (;0;) (type 2)))
  (import "env" "consume" (func (;1;) (type 1)))
  (import "env" "__stack_pointer" (global (;0;) (mut i32)))
  (import "env" "__memory_base" (global (;1;) i32))
  (import "env" "__table_base" (global (;2;) i32))
  (import "GOT.mem" "y" (global (;3;) (mut i32)))
  (import "env" "memory" (memory (;0;) 0))
  (import "env" "__indirect_function_table" (table (;0;) 0 funcref))
  (func (;2;) (type 0)
    call 3)
  (func (;3;) (type 0))
  (func (;4;) (type 0)
    (local i32 i32 i32 i32 i32 i32 i32 i32)
    call 0
    local.set 0
    i32.const 1
    local.set 1
    global.get 1
    local.set 2
    local.get 2
    local.get 1
    i32.add
    local.set 3
    local.get 3
    local.get 0
    i32.store8
    global.get 3
    local.set 4
    local.get 4
    i32.load8_u
    local.set 5
    i32.const 255
    local.set 6
    local.get 5
    local.get 6
    i32.and
    local.set 7
    local.get 7
    call 1
    return)
  (global (;4;) i32 (i32.const 0))
  (global (;5;) i32 (i32.const 0))
  (export "__post_instantiate" (func 2))
  (export "__wasm_apply_relocs" (func 3))
  (export "myEntry" (func 4))
  (export "y" (global 4))
  (export "__dso_handle" (global 5))
  (data (;0;) (global.get 1) "\04\03"))

/tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.o:	file format elf64-bpf


Disassembly of section .text:

0000000000000000 <myEntry>:
; myEntry():
; /tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c:7
;     x = produce();
       0:	call -1
       1:	r1 = 1 ll
       3:	*(u8 *)(r1 + 0) = r0
; /tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c:8
;     consume(y);
       4:	r1 = 0 ll
       6:	r1 = *(u8 *)(r1 + 0)
       7:	call -1
; /tmp/semicompiled-XsnJGMYj2HtCueYu-10962529496185989789/source.c:9
; }
       8:	exit