; LLVM IR from ubaldot/defrecs :: stm32f4x/ADC_Readings/Drivers/CMSIS/DSP/Examples/ARM/arm_svm_example (main)

; 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.arm_svm_polynomial_instance_f32 = type { i32, i32, float, ptr, ptr, ptr, i32, float, float }

@dualCoefficients = external dso_local constant [11 x float], align 16
@supportVectors = external dso_local constant [22 x float], align 16
@classes = external dso_local constant [2 x i32], align 4
@params = external dso_local global %struct.arm_svm_polynomial_instance_f32, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca [2 x float], align 4
  %3 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @arm_svm_polynomial_init_f32(ptr noundef @params, i32 noundef 11, i32 noundef 2, float noundef 0xBFFA9666A0000000, ptr noundef @dualCoefficients, ptr noundef @supportVectors, ptr noundef @classes, i32 noundef 3, float noundef 0x3FF19999A0000000, float noundef 5.000000e-01)
  %4 = getelementptr inbounds [2 x float], ptr %2, i64 0, i64 0
  store float 0x3FD99999A0000000, ptr %4, align 4, !tbaa !5
  %5 = getelementptr inbounds [2 x float], ptr %2, i64 0, i64 1
  store float 0x3FB99999A0000000, ptr %5, align 4, !tbaa !5
  %6 = getelementptr inbounds [2 x float], ptr %2, i64 0, i64 0
  call void @arm_svm_polynomial_predict_f32(ptr noundef @params, ptr noundef %6, ptr noundef %3)
  %7 = getelementptr inbounds [2 x float], ptr %2, i64 0, i64 0
  store float 3.000000e+00, ptr %7, align 4, !tbaa !5
  %8 = getelementptr inbounds [2 x float], ptr %2, i64 0, i64 1
  store float 0.000000e+00, ptr %8, align 4, !tbaa !5
  %9 = getelementptr inbounds [2 x float], ptr %2, i64 0, i64 0
  call void @arm_svm_polynomial_predict_f32(ptr noundef @params, ptr noundef %9, ptr noundef %3)
  br label %10

10:                                               ; preds = %11, %0
  br label %11

11:                                               ; preds = %10
  br label %10
}

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

declare void @arm_svm_polynomial_init_f32(ptr noundef, i32 noundef, i32 noundef, float noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef, float noundef, float noundef) #2

declare void @arm_svm_polynomial_predict_f32(ptr noundef, ptr noundef, ptr noundef) #2

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 = { "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 #3 = { 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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"

%struct.arm_svm_polynomial_instance_f32 = type { i32, i32, float, ptr, ptr, ptr, i32, float, float }

@dualCoefficients = external dso_local constant [11 x float], align 16
@supportVectors = external dso_local constant [22 x float], align 16
@classes = external dso_local constant [2 x i32], align 4
@params = external dso_local global %struct.arm_svm_polynomial_instance_f32, align 8

; Function Attrs: noreturn nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [2 x float], align 8
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  tail call void @arm_svm_polynomial_init_f32(ptr noundef nonnull @params, i32 noundef 11, i32 noundef 2, float noundef 0xBFFA9666A0000000, ptr noundef nonnull @dualCoefficients, ptr noundef nonnull @supportVectors, ptr noundef nonnull @classes, i32 noundef 3, float noundef 0x3FF19999A0000000, float noundef 5.000000e-01) #3
  store <2 x float> <float 0x3FD99999A0000000, float 0x3FB99999A0000000>, ptr %1, align 8, !tbaa !5
  call void @arm_svm_polynomial_predict_f32(ptr noundef nonnull @params, ptr noundef nonnull %1, ptr noundef nonnull %2) #3
  store <2 x float> <float 3.000000e+00, float 0.000000e+00>, ptr %1, align 8, !tbaa !5
  call void @arm_svm_polynomial_predict_f32(ptr noundef nonnull @params, ptr noundef nonnull %1, ptr noundef nonnull %2) #3
  br label %3

3:                                                ; preds = %3, %0
  br label %3
}

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

declare void @arm_svm_polynomial_init_f32(ptr noundef, i32 noundef, i32 noundef, float noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef, float noundef, float noundef) local_unnamed_addr #2

declare void @arm_svm_polynomial_predict_f32(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { noreturn 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 #3 = { 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass