; LLVM IR from intel/pailliercryptolib :: ipcl/utils/parse_cpuinfo.ll (ZN4ipcl19getLinuxCPUInfoImplEv)

; 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.ipcl::linuxCPUInfo" = type { i32, i32, i32 }

; Function Attrs: mustprogress uwtable
define dso_local { i64, i32 } @_ZN4ipcl19getLinuxCPUInfoImplEv() #0 {
  %1 = alloca %"struct.ipcl::linuxCPUInfo", align 4
  %2 = alloca { i64, i32 }, align 8
  call void @_ZN4ipclL12parseCPUInfoERNS_12linuxCPUInfoE(ptr noundef nonnull align 4 dereferenceable(12) %1)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %2, ptr align 4 %1, i64 12, i1 false)
  %3 = load { i64, i32 }, ptr %2, align 8
  ret { i64, i32 } %3
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN4ipclL12parseCPUInfoERNS_12linuxCPUInfoE(ptr noundef nonnull align 4 dereferenceable(12)) #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

attributes #0 = { mustprogress 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 nounwind willreturn memory(argmem: readwrite) }

!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)"}


; 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.ipcl::linuxCPUInfo" = type { i32, i32, i32 }

; Function Attrs: mustprogress uwtable
define dso_local { i64, i32 } @_ZN4ipcl19getLinuxCPUInfoImplEv() local_unnamed_addr #0 {
  %1 = alloca %"struct.ipcl::linuxCPUInfo", align 8
  call void @_ZN4ipclL12parseCPUInfoERNS_12linuxCPUInfoE(ptr noundef nonnull align 4 dereferenceable(12) %1)
  %.sroa.0.0.copyload = load i64, ptr %1, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %1, i64 8
  %.sroa.2.0.copyload = load i32, ptr %.sroa.2.0..sroa_idx, align 8
  %.fca.0.insert = insertvalue { i64, i32 } poison, i64 %.sroa.0.0.copyload, 0
  %.fca.1.insert = insertvalue { i64, i32 } %.fca.0.insert, i32 %.sroa.2.0.copyload, 1
  ret { i64, i32 } %.fca.1.insert
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN4ipclL12parseCPUInfoERNS_12linuxCPUInfoE(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #0

attributes #0 = { mustprogress 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: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,SROAPass