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Source code

; ModuleID = './example.cpp'
source_filename = "./example.cpp"
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-unknown-linux-gnu"

; C++ version:
@do_log_cxx = dso_local local_unnamed_addr global i8 0, align 1
; C version:
@do_log_c = common dso_local local_unnamed_addr global i8 0, align 1

; Function Attrs: nounwind readnone speculatable willreturn
declare { i32, i1 } @llvm.sadd.with.overflow.i32(i32, i32) #1

; Function Attrs: optsize uwtable
define dso_local zeroext i1 @_Z10sadd_nologiiPi(i32 %0, i32 %1, i32* nocapture %2) local_unnamed_addr #0 {
  %4 = load i8, i8* @do_log_cxx, align 1, !tbaa !2, !range !6
  %5 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %0, i32 %1)
  %6 = extractvalue { i32, i1 } %5, 1
  %7 = extractvalue { i32, i1 } %5, 0
  store i32 %7, i32* %2, align 4
  store i8 %4, i8* @do_log_cxx, align 1, !tbaa !2
  ret i1 %6
}

; Function Attrs: optsize uwtable
define dso_local zeroext i1 @_Z10sadd_nologiiPi_C(i32 %0, i32 %1, i32* nocapture %2) local_unnamed_addr #0 {
  %4 = load i8, i8* @do_log_c, align 1, !tbaa !2, !range !6
  %5 = tail call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %0, i32 %1)
  %6 = extractvalue { i32, i1 } %5, 1
  %7 = extractvalue { i32, i1 } %5, 0
  store i32 %7, i32* %2, align 4
  store i8 %4, i8* @do_log_c, align 1, !tbaa !2
  ret i1 %6
}

attributes #0 = { optsize uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "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"="false" "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 = { nounwind readnone speculatable willreturn }
attributes #2 = { optsize "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "no-infs-fp-math"="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"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { optsize }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 62e228f8fdb0ca86fc1663ef058f875021ede9a0)"}
!2 = !{!3, !3, i64 0}
!3 = !{!"bool", !4, i64 0}
!4 = !{!"omnipotent char", !5, i64 0}
!5 = !{!"Simple C++ TBAA"}
!6 = !{i8 0, i8 2}