; LLVM IR from acrlw/Physics2D :: Physics2D/source/math/physics2d_matrix2x2.ll (ZN9Physics2D9Matrix2x211determinantERKS0_)

; 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.Physics2D::Matrix2x2" = type { %"struct.Physics2D::Vector2", %"struct.Physics2D::Vector2" }
%"struct.Physics2D::Vector2" = type { float, float }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef float @_ZN9Physics2D9Matrix2x211determinantERKS0_(ptr noundef nonnull align 4 dereferenceable(16) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %"struct.Physics2D::Matrix2x2", ptr %3, i32 0, i32 0
  %5 = getelementptr inbounds %"struct.Physics2D::Vector2", ptr %4, i32 0, i32 0
  %6 = load float, ptr %5, align 4, !tbaa !9
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %"struct.Physics2D::Matrix2x2", ptr %7, i32 0, i32 1
  %9 = getelementptr inbounds %"struct.Physics2D::Vector2", ptr %8, i32 0, i32 1
  %10 = load float, ptr %9, align 4, !tbaa !13
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %"struct.Physics2D::Matrix2x2", ptr %11, i32 0, i32 1
  %13 = getelementptr inbounds %"struct.Physics2D::Vector2", ptr %12, i32 0, i32 0
  %14 = load float, ptr %13, align 4, !tbaa !14
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %"struct.Physics2D::Matrix2x2", ptr %15, i32 0, i32 0
  %17 = getelementptr inbounds %"struct.Physics2D::Vector2", ptr %16, i32 0, i32 1
  %18 = load float, ptr %17, align 4, !tbaa !15
  %19 = fmul float %14, %18
  %20 = fneg float %19
  %21 = call float @llvm.fmuladd.f32(float %6, float %10, float %20)
  ret float %21
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

attributes #0 = { mustprogress 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 speculatable willreturn memory(none) }

!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++ TBAA"}
!9 = !{!10, !12, i64 0}
!10 = !{!"_ZTSN9Physics2D9Matrix2x2E", !11, i64 0, !11, i64 8}
!11 = !{!"_ZTSN9Physics2D7Vector2E", !12, i64 0, !12, i64 4}
!12 = !{!"float", !7, i64 0}
!13 = !{!10, !12, i64 12}
!14 = !{!10, !12, i64 8}
!15 = !{!10, !12, i64 4}


; 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: read) uwtable
define dso_local noundef float @_ZN9Physics2D9Matrix2x211determinantERKS0_(ptr nocapture noundef nonnull readonly align 4 dereferenceable(16) %0) local_unnamed_addr #0 align 2 {
  %2 = load float, ptr %0, align 4, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = getelementptr inbounds i8, ptr %0, i64 12
  %5 = load float, ptr %4, align 4, !tbaa !11
  %6 = load float, ptr %3, align 4, !tbaa !12
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = load float, ptr %7, align 4, !tbaa !13
  %9 = fneg float %6
  %10 = fmul float %8, %9
  %11 = tail call float @llvm.fmuladd.f32(float %2, float %5, float %10)
  ret float %11
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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 speculatable willreturn memory(none) }

!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, !8, i64 0}
!6 = !{!"_ZTSN9Physics2D9Matrix2x2E", !7, i64 0, !7, i64 8}
!7 = !{!"_ZTSN9Physics2D7Vector2E", !8, i64 0, !8, i64 4}
!8 = !{!"float", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!6, !8, i64 12}
!12 = !{!6, !8, i64 8}
!13 = !{!6, !8, i64 4}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass