test.ll

; ModuleID = 'test.c'
source_filename = "test.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"

@c = dso_local global i32 92, align 4

; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 0, i32* %1, align 4
  store i32 4, i32* %2, align 4
  %4 = load i32, i32* %2, align 4
  store i32 %4, i32* %3, align 4
  %5 = load i32, i32* %3, align 4
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %7, label %10

7:                                                ; preds = %0
  %8 = load i32, i32* %3, align 4
  %9 = add nsw i32 %8, 1
  store i32 %9, i32* %2, align 4
  br label %13

10:                                               ; preds = %0
  %11 = load i32, i32* %2, align 4
  %12 = add nsw i32 %11, 1
  store i32 %12, i32* %3, align 4
  br label %13

13:                                               ; preds = %10, %7
  %14 = load i32, i32* %2, align 4
  ret i32 %14
}

; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32 @foo() #0 {
  %1 = load i32, i32* @c, align 4
  %2 = add nsw i32 %1, 2
  store i32 %2, i32* @c, align 4
  ret i32 9
}

; Function Attrs: noinline nounwind optnone uwtable
define dso_local void @bar() #0 {
  ret void
}

attributes #0 = { noinline nounwind optnone uwtable "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" "tune-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"Ubuntu clang version 12.0.0-++20210309053043+15d1ee36720f-1~exp1~20210309043756.56"}