; LLVM IR from libxsmm/libxsmm :: samples/encoder (encoder_x86)

; 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"

@__const.test_alu_imm.imm = external hidden unnamed_addr constant [3 x i32], align 4

; Function Attrs: nounwind uwtable
declare dso_local void @reset_code_buffer(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @dump_code_buffer(ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
define dso_local void @test_alu_imm(ptr noundef %0, ptr noundef %1, i32 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca [3 x i32], align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 12, ptr %9) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 4 @__const.test_alu_imm.imm, i64 12, i1 false)
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  call void @reset_code_buffer(ptr noundef %10, ptr noundef %11)
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %32, %3
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = icmp ult i32 %13, 16
  br i1 %14, label %15, label %35

15:                                               ; preds = %12
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %28, %15
  %17 = load i32, ptr %8, align 4, !tbaa !9
  %18 = icmp ult i32 %17, 1
  br i1 %18, label %19, label %31

19:                                               ; preds = %16
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds [3 x i32], ptr %9, i64 0, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  call void @libxsmm_x86_instruction_alu_imm(ptr noundef %20, i32 noundef %21, i32 noundef %22, i64 noundef %27)
  br label %28

28:                                               ; preds = %19
  %29 = load i32, ptr %8, align 4, !tbaa !9
  %30 = add i32 %29, 1
  store i32 %30, ptr %8, align 4, !tbaa !9
  br label %16, !llvm.loop !11

31:                                               ; preds = %16
  br label %32

32:                                               ; preds = %31
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = add i32 %33, 1
  store i32 %34, ptr %7, align 4, !tbaa !9
  br label %12, !llvm.loop !13

35:                                               ; preds = %12
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  call void @dump_code_buffer(ptr noundef %36, ptr noundef %37)
  call void @llvm.lifetime.end.p0(i64 12, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret void
}

declare void @libxsmm_x86_instruction_alu_imm(ptr noundef, i32 noundef, i32 noundef, i64 noundef) #3

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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" }
attributes #4 = { nounwind }

!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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

@__const.test_alu_imm.imm = external hidden unnamed_addr constant [3 x i32], align 4

; Function Attrs: nounwind uwtable
declare dso_local void @reset_code_buffer(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @dump_code_buffer(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @test_alu_imm(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 {
.critedge:
  tail call void @reset_code_buffer(ptr noundef %1, ptr noundef %0)
  %3 = load i32, ptr @__const.test_alu_imm.imm, align 4, !tbaa !5
  %4 = sext i32 %3 to i64
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 0, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 1, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 2, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 3, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 4, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 5, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 6, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 7, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 8, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 9, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 10, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 11, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 12, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 13, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 14, i64 noundef %4) #2
  tail call void @libxsmm_x86_instruction_alu_imm(ptr noundef %1, i32 noundef %2, i32 noundef 15, i64 noundef %4) #2
  tail call void @dump_code_buffer(ptr noundef %1, ptr noundef %0)
  ret void
}

declare void @libxsmm_x86_instruction_alu_imm(ptr noundef, i32 noundef, i32 noundef, i64 noundef) local_unnamed_addr #1

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" }
attributes #1 = { "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" }
attributes #2 = { nounwind }

!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"}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass