; LLVM IR from ashishzero/karma :: src/modules/core/lin_maths.ll (Z14mat2_transposeRK4Mat2)

; 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.Mat2 = type { [2 x %union.Vec2] }
%union.Vec2 = type { %struct.anon.1 }
%struct.anon.1 = type { float, float }

; Function Attrs: mustprogress nounwind uwtable
define dso_local { <2 x float>, <2 x float> } @_Z14mat2_transposeRK4Mat2(ptr noundef nonnull align 4 dereferenceable(16) %0) #0 {
  %2 = alloca %union.Mat2, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds [2 x [2 x float]], ptr %4, i64 0, i64 0
  %6 = getelementptr inbounds [2 x float], ptr %5, i64 0, i64 0
  %7 = load float, ptr %6, align 4, !tbaa !9
  %8 = getelementptr inbounds [2 x [2 x float]], ptr %2, i64 0, i64 0
  %9 = getelementptr inbounds [2 x float], ptr %8, i64 0, i64 0
  store float %7, ptr %9, align 4, !tbaa !9
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds [2 x [2 x float]], ptr %10, i64 0, i64 1
  %12 = getelementptr inbounds [2 x float], ptr %11, i64 0, i64 0
  %13 = load float, ptr %12, align 4, !tbaa !9
  %14 = getelementptr inbounds [2 x [2 x float]], ptr %2, i64 0, i64 0
  %15 = getelementptr inbounds [2 x float], ptr %14, i64 0, i64 1
  store float %13, ptr %15, align 4, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds [2 x [2 x float]], ptr %16, i64 0, i64 0
  %18 = getelementptr inbounds [2 x float], ptr %17, i64 0, i64 1
  %19 = load float, ptr %18, align 4, !tbaa !9
  %20 = getelementptr inbounds [2 x [2 x float]], ptr %2, i64 0, i64 1
  %21 = getelementptr inbounds [2 x float], ptr %20, i64 0, i64 0
  store float %19, ptr %21, align 4, !tbaa !9
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds [2 x [2 x float]], ptr %22, i64 0, i64 1
  %24 = getelementptr inbounds [2 x float], ptr %23, i64 0, i64 1
  %25 = load float, ptr %24, align 4, !tbaa !9
  %26 = getelementptr inbounds [2 x [2 x float]], ptr %2, i64 0, i64 1
  %27 = getelementptr inbounds [2 x float], ptr %26, i64 0, i64 1
  store float %25, ptr %27, align 4, !tbaa !9
  %28 = getelementptr inbounds %union.Mat2, ptr %2, i32 0, i32 0
  %29 = load { <2 x float>, <2 x float> }, ptr %28, align 4
  ret { <2 x float>, <2 x float> } %29
}

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" }

!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 = !{!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 norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local { <2 x float>, <2 x float> } @_Z14mat2_transposeRK4Mat2(ptr nocapture noundef nonnull readonly align 4 dereferenceable(16) %0) local_unnamed_addr #0 {
  %2 = load <4 x float>, ptr %0, align 4
  %.sroa.0.0.vec.insert = shufflevector <4 x float> %2, <4 x float> poison, <2 x i32> <i32 0, i32 poison>
  %3 = extractelement <4 x float> %2, i64 2
  %.sroa.0.4.vec.insert = insertelement <2 x float> %.sroa.0.0.vec.insert, float %3, i64 1
  %.sroa.3.8.vec.insert = shufflevector <4 x float> %2, <4 x float> poison, <2 x i32> <i32 1, i32 poison>
  %4 = extractelement <4 x float> %2, i64 3
  %.sroa.3.12.vec.insert = insertelement <2 x float> %.sroa.3.8.vec.insert, float %4, i64 1
  %.fca.0.insert = insertvalue { <2 x float>, <2 x float> } poison, <2 x float> %.sroa.0.4.vec.insert, 0
  %.fca.1.insert = insertvalue { <2 x float>, <2 x float> } %.fca.0.insert, <2 x float> %.sroa.3.12.vec.insert, 1
  ret { <2 x float>, <2 x float> } %.fca.1.insert
}

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" }

!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: BDCEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SCCPPass,SLPVectorizerPass,SROAPass,VectorCombinePass