; LLVM IR from catid/Zpng :: zstd (zstdmt_compress)

; 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.ZSTDMT_CCtx_s = type { ptr, ptr, ptr, ptr, ptr, %struct.ZSTD_CCtx_params_s, i64, i64, %struct.roundBuff_t, %struct.inBuff_t, i32, %struct.serialState_t, i32, i32, i32, i32, i32, i32, i64, i64, i64, %struct.ZSTD_customMem, ptr, ptr }
%struct.ZSTD_CCtx_params_s = type { i32, %struct.ZSTD_compressionParameters, %struct.ZSTD_frameParameters, i32, i32, i32, i32, i32, i32, %struct.ldmParams_t, %struct.ZSTD_customMem }
%struct.ZSTD_compressionParameters = type { i32, i32, i32, i32, i32, i32, i32 }
%struct.ZSTD_frameParameters = type { i32, i32, i32 }
%struct.ldmParams_t = type { i32, i32, i32, i32, i32, i32 }
%struct.roundBuff_t = type { ptr, i64, i64 }
%struct.inBuff_t = type { %struct.range_t, %struct.buffer_s, i64 }
%struct.range_t = type { ptr, i64 }
%struct.buffer_s = type { ptr, i64 }
%struct.serialState_t = type { i32, i32, %struct.ZSTD_CCtx_params_s, %struct.ldmState_t, %struct.XXH64_state_s, i32, i32, i32, %struct.ZSTD_window_t }
%struct.ldmState_t = type { %struct.ZSTD_window_t, ptr, ptr, i64 }
%struct.XXH64_state_s = type { i64, i64, i64, i64, i64, [4 x i64], i32, [2 x i32] }
%struct.ZSTD_window_t = type { ptr, ptr, ptr, i32, i32 }
%struct.ZSTD_customMem = type { ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare dso_local i64 @ZSTDMT_CCtxParam_setMTCtxParameter(ptr noundef, i32 noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i64 @ZSTDMT_setMTCtxParameter(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %8 = load i32, ptr %6, align 4, !tbaa !9
  switch i32 %8, label %21 [
    i32 0, label %9
    i32 1, label %15
  ]

9:                                                ; preds = %3
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.ZSTDMT_CCtx_s, ptr %10, i32 0, i32 5
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = call i64 @ZSTDMT_CCtxParam_setMTCtxParameter(ptr noundef %11, i32 noundef %12, i32 noundef %13)
  store i64 %14, ptr %4, align 8
  br label %22

15:                                               ; preds = %3
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.ZSTDMT_CCtx_s, ptr %16, i32 0, i32 5
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = call i64 @ZSTDMT_CCtxParam_setMTCtxParameter(ptr noundef %17, i32 noundef %18, i32 noundef %19)
  store i64 %20, ptr %4, align 8
  br label %22

21:                                               ; preds = %3
  store i64 -40, ptr %4, align 8
  br label %22

22:                                               ; preds = %21, %15, %9
  %23 = load i64, ptr %4, align 8
  ret i64 %23
}

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}


; 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: nounwind uwtable
declare dso_local i64 @ZSTDMT_CCtxParam_setMTCtxParameter(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i64 @ZSTDMT_setMTCtxParameter(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %switch = icmp ult i32 %1, 2
  br i1 %switch, label %.sink.split, label %6

.sink.split:                                      ; preds = %3
  %4 = getelementptr inbounds i8, ptr %0, i64 40
  %5 = tail call i64 @ZSTDMT_CCtxParam_setMTCtxParameter(ptr noundef nonnull %4, i32 noundef %1, i32 noundef %2)
  br label %6

6:                                                ; preds = %3, %.sink.split
  %.0 = phi i64 [ -40, %3 ], [ %5, %.sink.split ]
  ret i64 %.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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass