ir for swift

main.ll

; ModuleID = 'main2.c'
source_filename = "main2.c"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu"

; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4 // &x
  // %1_dup = %1
  %2 = alloca i32, align 4 // &y
  // %2_dup = %2
  %3 = alloca i32, align 4 // &z
  // %3_dup = %3
  
  // %1==%1_dup??
  store i32 1, i32* %1, align 4
  // %2==%2_dup??
  store i32 2, i32* %2, align 4
  // %3==%3_dup??
  store i32 3, i32* %3, align 4
  
  
  %4 = load i32, i32* %1, align 4
  // %4_dup = load i32, i32* &1_dup, align 4
  %5 = load i32, i32* %2, align 4
  // %5_dup = load i32, i32* &2_dup, align 4
  %6 = add nsw i32 %4, %5
  // %6_dup = add nsw i32 %4_dup, %5_dup
  
  // (%6==%6_dup) AND (%3==%3_dup)
  store i32 %6, i32* %3, align 4
  
  %7 = load i32, i32* %3, align 4
  // %7_dup = load i32, i32* %3_dup, align 4
  
  // (%7==%7_dup)
  store volatile i32 %7, i32* inttoptr (i64 100663296 to i32*), align 4
  ret i32 0
}

attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+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 = !{!"clang version 7.0.0-3 (tags/RELEASE_700/final)"}