; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --include-generated-funcs
; RUN: if [ %llvmver -lt 16 ]; then %opt < %s %loadEnzyme -enzyme -enzyme-preopt=false -enzyme-detect-readthrow=0 -mem2reg -simplifycfg -dce -S | FileCheck %s; fi
; RUN: %opt < %s %newLoadEnzyme -passes="enzyme,function(mem2reg,%simplifycfg,dce)" -enzyme-preopt=false -enzyme-detect-readthrow=0 -S | FileCheck %s

; Function Attrs: nounwind
declare void @__enzyme_autodiff.f64(...)

; Function Attrs: nounwind uwtable
define dso_local void @memcpy_ptr(double** nocapture %dst, double** nocapture readonly %src, i64 %num) #0 {
entry:
  %0 = bitcast double** %dst to i8*
  %1 = bitcast double** %src to i8*
  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 %num, i1 false)
  ret void
}

; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #1

; Function Attrs: nounwind uwtable
define dso_local void @dmemcpy_ptr(double** %dst, double** %dstp1, double** %dstp2, double** %dstp3, double** %src, double** %srcp1, double** %srcp2, double** %srcp3, i64 %n) local_unnamed_addr #0 {
entry:
  tail call void (...) @__enzyme_autodiff.f64(void (double**, double**, i64)* nonnull @memcpy_ptr, metadata !"enzyme_width", i64 3, double** %dst, double** %dstp1, double** %dstp2, double** %dstp3, double** %src, double** %srcp1, double** %srcp2, double** %srcp3, i64 %n) #3
  ret void
}

attributes #0 = { nounwind uwtable }
attributes #1 = { argmemonly nounwind }
attributes #2 = { noinline nounwind uwtable }
attributes #3 = { nounwind }


; CHECK: define internal void @diffe3memcpy_ptr(double** nocapture %dst, [3 x double**] %"dst'", double** nocapture readonly %src, [3 x double**] %"src'", i64 %num)
; CHECK-NEXT:  entry:
; CHECK-NEXT:   %0 = extractvalue [3 x double**] %"dst'", 0
; CHECK-NEXT:   %"'ipc" = bitcast double** %0 to i8*
; CHECK-NEXT:   %1 = extractvalue [3 x double**] %"dst'", 1
; CHECK-NEXT:   %"'ipc1" = bitcast double** %1 to i8*
; CHECK-NEXT:   %2 = extractvalue [3 x double**] %"dst'", 2
; CHECK-NEXT:   %"'ipc2" = bitcast double** %2 to i8*
; CHECK-NEXT:   %3 = bitcast double** %dst to i8*
; CHECK-NEXT:   %4 = extractvalue [3 x double**] %"src'", 0
; CHECK-NEXT:   %"'ipc3" = bitcast double** %4 to i8*
; CHECK-NEXT:   %5 = extractvalue [3 x double**] %"src'", 1
; CHECK-NEXT:   %"'ipc4" = bitcast double** %5 to i8*
; CHECK-NEXT:   %6 = extractvalue [3 x double**] %"src'", 2
; CHECK-NEXT:   %"'ipc5" = bitcast double** %6 to i8*
; CHECK-NEXT:   %7 = bitcast double** %src to i8*
; CHECK-NEXT:   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %"'ipc", i8* align 1 %"'ipc3", i64 %num, i1 false)
; CHECK-NEXT:   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %"'ipc1", i8* align 1 %"'ipc4", i64 %num, i1 false)
; CHECK-NEXT:   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %"'ipc2", i8* align 1 %"'ipc5", i64 %num, i1 false)
; CHECK-NEXT:   tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %3, i8* align 1 %7, i64 %num, i1 false)
; CHECK-NEXT:   ret void
; CHECK-NEXT: }