; LLVM IR from heroseh/cgm :: cgm (CgmMat3x2_identity_rotate)

; 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"

%union.CgmVec2 = type { %struct.anon }
%struct.anon = type { float, float }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind
declare float @cosf(float noundef) #2

; Function Attrs: nounwind
declare float @sinf(float noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @CgmMat3x2_identity_rotate(ptr noundef %0, float noundef %1) #3 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  %5 = alloca float, align 4
  %6 = alloca float, align 4
  %7 = alloca %union.CgmVec2, align 4
  %8 = alloca %union.CgmVec2, align 4
  %9 = alloca %union.CgmVec2, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %10 = load float, ptr %4, align 4, !tbaa !9
  %11 = call float @cosf(float noundef %10) #4
  store float %11, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %12 = load float, ptr %4, align 4, !tbaa !9
  %13 = call float @sinf(float noundef %12) #4
  store float %13, ptr %6, align 4, !tbaa !9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds [3 x %union.CgmVec2], ptr %14, i64 0, i64 0
  %16 = getelementptr inbounds %struct.anon, ptr %7, i32 0, i32 0
  %17 = load float, ptr %5, align 4, !tbaa !9
  store float %17, ptr %16, align 4, !tbaa !11
  %18 = getelementptr inbounds %struct.anon, ptr %7, i32 0, i32 1
  %19 = load float, ptr %6, align 4, !tbaa !9
  %20 = fneg float %19
  store float %20, ptr %18, align 4, !tbaa !13
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 4 %7, i64 8, i1 false), !tbaa.struct !14
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds [3 x %union.CgmVec2], ptr %21, i64 0, i64 1
  %23 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 0
  %24 = load float, ptr %6, align 4, !tbaa !9
  store float %24, ptr %23, align 4, !tbaa !11
  %25 = getelementptr inbounds %struct.anon, ptr %8, i32 0, i32 1
  %26 = load float, ptr %5, align 4, !tbaa !9
  store float %26, ptr %25, align 4, !tbaa !13
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %22, ptr align 4 %8, i64 8, i1 false), !tbaa.struct !14
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds [3 x %union.CgmVec2], ptr %27, i64 0, i64 2
  %29 = getelementptr inbounds %struct.anon, ptr %9, i32 0, i32 0
  store float 0.000000e+00, ptr %29, align 4, !tbaa !11
  %30 = getelementptr inbounds %struct.anon, ptr %9, i32 0, i32 1
  store float 0.000000e+00, ptr %30, align 4, !tbaa !13
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %28, ptr align 4 %9, i64 8, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind "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 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 #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 = !{!"float", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"", !10, i64 0, !10, i64 4}
!13 = !{!12, !10, i64 4}
!14 = !{i64 0, i64 8, !15}
!15 = !{!7, !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: mustprogress nofree nounwind willreturn memory(write)
declare float @cosf(float noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare float @sinf(float noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write) uwtable
define dso_local void @CgmMat3x2_identity_rotate(ptr nocapture noundef writeonly %0, float noundef %1) local_unnamed_addr #1 {
  %3 = tail call float @cosf(float noundef %1) #2
  %4 = tail call float @sinf(float noundef %1) #2
  %5 = fneg float %4
  store float %3, ptr %0, align 4
  %.sroa.24.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 4
  store float %5, ptr %.sroa.24.0..sroa_idx, align 4, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  store float %4, ptr %6, align 4
  %.sroa.22.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 12
  store float %3, ptr %.sroa.22.0..sroa_idx, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  store <2 x float> zeroinitializer, ptr %7, align 4
  ret void
}

attributes #0 = { mustprogress nofree nounwind willreturn memory(write) "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 nofree nounwind willreturn memory(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" }
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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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