; LLVM IR from ARMmbed/mbed-crypto :: library (sha256)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.mbedtls_sha256_context = type { [2 x i32], [8 x i32], [64 x i8], i32 }

; Function Attrs: nounwind uwtable
define dso_local i32 @mbedtls_sha256_starts_ret(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %2
  br label %6

6:                                                ; preds = %5
  br label %7

7:                                                ; preds = %6
  br label %8

8:                                                ; preds = %7
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %9, i32 0, i32 0
  %11 = getelementptr inbounds [2 x i32], ptr %10, i64 0, i64 0
  store i32 0, ptr %11, align 4, !tbaa !9
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %12, i32 0, i32 0
  %14 = getelementptr inbounds [2 x i32], ptr %13, i64 0, i64 1
  store i32 0, ptr %14, align 4, !tbaa !9
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = icmp eq i32 %15, 0
  br i1 %16, label %17, label %42

17:                                               ; preds = %8
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %18, i32 0, i32 1
  %20 = getelementptr inbounds [8 x i32], ptr %19, i64 0, i64 0
  store i32 1779033703, ptr %20, align 4, !tbaa !9
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %21, i32 0, i32 1
  %23 = getelementptr inbounds [8 x i32], ptr %22, i64 0, i64 1
  store i32 -1150833019, ptr %23, align 4, !tbaa !9
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %24, i32 0, i32 1
  %26 = getelementptr inbounds [8 x i32], ptr %25, i64 0, i64 2
  store i32 1013904242, ptr %26, align 4, !tbaa !9
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %27, i32 0, i32 1
  %29 = getelementptr inbounds [8 x i32], ptr %28, i64 0, i64 3
  store i32 -1521486534, ptr %29, align 4, !tbaa !9
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %30, i32 0, i32 1
  %32 = getelementptr inbounds [8 x i32], ptr %31, i64 0, i64 4
  store i32 1359893119, ptr %32, align 4, !tbaa !9
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %33, i32 0, i32 1
  %35 = getelementptr inbounds [8 x i32], ptr %34, i64 0, i64 5
  store i32 -1694144372, ptr %35, align 4, !tbaa !9
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %36, i32 0, i32 1
  %38 = getelementptr inbounds [8 x i32], ptr %37, i64 0, i64 6
  store i32 528734635, ptr %38, align 4, !tbaa !9
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %39, i32 0, i32 1
  %41 = getelementptr inbounds [8 x i32], ptr %40, i64 0, i64 7
  store i32 1541459225, ptr %41, align 4, !tbaa !9
  br label %67

42:                                               ; preds = %8
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %43, i32 0, i32 1
  %45 = getelementptr inbounds [8 x i32], ptr %44, i64 0, i64 0
  store i32 -1056596264, ptr %45, align 4, !tbaa !9
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %46, i32 0, i32 1
  %48 = getelementptr inbounds [8 x i32], ptr %47, i64 0, i64 1
  store i32 914150663, ptr %48, align 4, !tbaa !9
  %49 = load ptr, ptr %3, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %49, i32 0, i32 1
  %51 = getelementptr inbounds [8 x i32], ptr %50, i64 0, i64 2
  store i32 812702999, ptr %51, align 4, !tbaa !9
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %52, i32 0, i32 1
  %54 = getelementptr inbounds [8 x i32], ptr %53, i64 0, i64 3
  store i32 -150054599, ptr %54, align 4, !tbaa !9
  %55 = load ptr, ptr %3, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %55, i32 0, i32 1
  %57 = getelementptr inbounds [8 x i32], ptr %56, i64 0, i64 4
  store i32 -4191439, ptr %57, align 4, !tbaa !9
  %58 = load ptr, ptr %3, align 8, !tbaa !5
  %59 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %58, i32 0, i32 1
  %60 = getelementptr inbounds [8 x i32], ptr %59, i64 0, i64 5
  store i32 1750603025, ptr %60, align 4, !tbaa !9
  %61 = load ptr, ptr %3, align 8, !tbaa !5
  %62 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %61, i32 0, i32 1
  %63 = getelementptr inbounds [8 x i32], ptr %62, i64 0, i64 6
  store i32 1694076839, ptr %63, align 4, !tbaa !9
  %64 = load ptr, ptr %3, align 8, !tbaa !5
  %65 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %64, i32 0, i32 1
  %66 = getelementptr inbounds [8 x i32], ptr %65, i64 0, i64 7
  store i32 -1090891868, ptr %66, align 4, !tbaa !9
  br label %67

67:                                               ; preds = %42, %17
  %68 = load i32, ptr %4, align 4, !tbaa !9
  %69 = load ptr, ptr %3, align 8, !tbaa !5
  %70 = getelementptr inbounds %struct.mbedtls_sha256_context, ptr %69, i32 0, i32 3
  store i32 %68, ptr %70, align 4, !tbaa !11
  ret i32 0
}

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 104}
!12 = !{!"mbedtls_sha256_context", !7, i64 0, !7, i64 8, !7, i64 40, !10, i64 104}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local noundef i32 @mbedtls_sha256_starts_ret(ptr nocapture noundef writeonly %0, i32 noundef %1) local_unnamed_addr #0 {
  store i32 0, ptr %0, align 4, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 0, ptr %3, align 4, !tbaa !5
  %4 = icmp eq i32 %1, 0
  %5 = select i1 %4, <4 x i32> <i32 1779033703, i32 -1150833019, i32 1013904242, i32 -1521486534>, <4 x i32> <i32 -1056596264, i32 914150663, i32 812702999, i32 -150054599>
  %6 = select i1 %4, <4 x i32> <i32 1359893119, i32 -1694144372, i32 528734635, i32 1541459225>, <4 x i32> <i32 -4191439, i32 1750603025, i32 1694076839, i32 -1090891868>
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  store <4 x i32> %5, ptr %7, align 4
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  store <4 x i32> %6, ptr %8, align 4
  %9 = getelementptr inbounds i8, ptr %0, i64 104
  store i32 %1, ptr %9, align 4, !tbaa !9
  ret i32 0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 104}
!10 = !{!"mbedtls_sha256_context", !7, i64 0, !7, i64 8, !7, i64 40, !6, i64 104}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass