; LLVM IR from kkumatani/distant_speech_recognition :: btk20_src/matrix/linpack_c.ll (Z5cppslPSt7complexIfEiS1_)

; 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"

%"class.std::complex" = 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7complexIfEC2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #1 align 2

; 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) #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZStngIfESt7complexIT_ERKS2_(ptr noundef nonnull align 4 dereferenceable(8)) #3

declare void @_Z5caxpyiSt7complexIfEPS0_iS1_i(i32 noundef, <2 x float>, ptr noundef, i32 noundef, ptr noundef, i32 noundef) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZStmiIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #3

declare <2 x float> @_Z5cdotciPSt7complexIfEiS1_i(i32 noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) #4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5cppslPSt7complexIfEiS1_(ptr noundef %0, i32 noundef %1, ptr noundef %2) #5 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::complex", align 4
  %10 = alloca %"class.std::complex", align 4
  %11 = alloca %"class.std::complex", align 4
  %12 = alloca %"class.std::complex", align 4
  %13 = alloca %"class.std::complex", align 4
  %14 = alloca %"class.std::complex", align 4
  %15 = alloca %"class.std::complex", align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  call void @_ZNSt7complexIfEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %9, float noundef 0.000000e+00, float noundef 0.000000e+00)
  store i32 0, ptr %8, align 4, !tbaa !9
  store i32 1, ptr %7, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %52, %3
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = icmp sle i32 %17, %18
  br i1 %19, label %20, label %55

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %21 = load i32, ptr %7, align 4, !tbaa !9
  %22 = sub nsw i32 %21, 1
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load i32, ptr %8, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds %"class.std::complex", ptr %23, i64 %25
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = call <2 x float> @_Z5cdotciPSt7complexIfEiS1_i(i32 noundef %22, ptr noundef %26, i32 noundef 1, ptr noundef %27, i32 noundef 1)
  %29 = getelementptr inbounds %"class.std::complex", ptr %10, i32 0, i32 0
  store <2 x float> %28, ptr %29, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 4 %10, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  %30 = load i32, ptr %8, align 4, !tbaa !9
  %31 = load i32, ptr %7, align 4, !tbaa !9
  %32 = add nsw i32 %30, %31
  store i32 %32, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = load i32, ptr %7, align 4, !tbaa !9
  %35 = sub nsw i32 %34, 1
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds %"class.std::complex", ptr %33, i64 %36
  %38 = call <2 x float> @_ZStmiIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %37, ptr noundef nonnull align 4 dereferenceable(8) %9)
  %39 = getelementptr inbounds %"class.std::complex", ptr %12, i32 0, i32 0
  store <2 x float> %38, ptr %39, align 4
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = load i32, ptr %8, align 4, !tbaa !9
  %42 = sub nsw i32 %41, 1
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds %"class.std::complex", ptr %40, i64 %43
  %45 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %12, ptr noundef nonnull align 4 dereferenceable(8) %44)
  %46 = getelementptr inbounds %"class.std::complex", ptr %11, i32 0, i32 0
  store <2 x float> %45, ptr %46, align 4
  %47 = load ptr, ptr %6, align 8, !tbaa !5
  %48 = load i32, ptr %7, align 4, !tbaa !9
  %49 = sub nsw i32 %48, 1
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds %"class.std::complex", ptr %47, i64 %50
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %51, ptr align 4 %11, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %52

52:                                               ; preds = %20
  %53 = load i32, ptr %7, align 4, !tbaa !9
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %7, align 4, !tbaa !9
  br label %16, !llvm.loop !13

55:                                               ; preds = %16
  %56 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %56, ptr %7, align 4, !tbaa !9
  br label %57

57:                                               ; preds = %97, %55
  %58 = load i32, ptr %7, align 4, !tbaa !9
  %59 = icmp sle i32 1, %58
  br i1 %59, label %60, label %100

60:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %61 = load ptr, ptr %6, align 8, !tbaa !5
  %62 = load i32, ptr %7, align 4, !tbaa !9
  %63 = sub nsw i32 %62, 1
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds %"class.std::complex", ptr %61, i64 %64
  %66 = load ptr, ptr %4, align 8, !tbaa !5
  %67 = load i32, ptr %8, align 4, !tbaa !9
  %68 = sub nsw i32 %67, 1
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds %"class.std::complex", ptr %66, i64 %69
  %71 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %65, ptr noundef nonnull align 4 dereferenceable(8) %70)
  %72 = getelementptr inbounds %"class.std::complex", ptr %13, i32 0, i32 0
  store <2 x float> %71, ptr %72, align 4
  %73 = load ptr, ptr %6, align 8, !tbaa !5
  %74 = load i32, ptr %7, align 4, !tbaa !9
  %75 = sub nsw i32 %74, 1
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds %"class.std::complex", ptr %73, i64 %76
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %77, ptr align 4 %13, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  %78 = load i32, ptr %8, align 4, !tbaa !9
  %79 = load i32, ptr %7, align 4, !tbaa !9
  %80 = sub nsw i32 %78, %79
  store i32 %80, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %81 = load ptr, ptr %6, align 8, !tbaa !5
  %82 = load i32, ptr %7, align 4, !tbaa !9
  %83 = sub nsw i32 %82, 1
  %84 = sext i32 %83 to i64
  %85 = getelementptr inbounds %"class.std::complex", ptr %81, i64 %84
  %86 = call <2 x float> @_ZStngIfESt7complexIT_ERKS2_(ptr noundef nonnull align 4 dereferenceable(8) %85)
  %87 = getelementptr inbounds %"class.std::complex", ptr %14, i32 0, i32 0
  store <2 x float> %86, ptr %87, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 4 %14, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  %88 = load i32, ptr %7, align 4, !tbaa !9
  %89 = sub nsw i32 %88, 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 4 %9, i64 8, i1 false), !tbaa.struct !11
  %90 = load ptr, ptr %4, align 8, !tbaa !5
  %91 = load i32, ptr %8, align 4, !tbaa !9
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds %"class.std::complex", ptr %90, i64 %92
  %94 = load ptr, ptr %6, align 8, !tbaa !5
  %95 = getelementptr inbounds %"class.std::complex", ptr %15, i32 0, i32 0
  %96 = load <2 x float>, ptr %95, align 4
  call void @_Z5caxpyiSt7complexIfEPS0_iS1_i(i32 noundef %89, <2 x float> %96, ptr noundef %93, i32 noundef 1, ptr noundef %94, i32 noundef 1)
  br label %97

97:                                               ; preds = %60
  %98 = load i32, ptr %7, align 4, !tbaa !9
  %99 = add nsw i32 %98, -1
  store i32 %99, ptr %7, align 4, !tbaa !9
  br label %57, !llvm.loop !15

100:                                              ; preds = %57
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint mustprogress uwtable "min-legal-vector-width"="64" "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 = { "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 #5 = { mustprogress uwtable "min-legal-vector-width"="64" "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 #6 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{i64 0, i64 8, !12}
!12 = !{!7, !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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"

%"class.std::complex" = type { { float, float } }

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7complexIfEC2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #1 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZStngIfESt7complexIT_ERKS2_(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2

declare void @_Z5caxpyiSt7complexIfEPS0_iS1_i(i32 noundef, <2 x float>, ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZStmiIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2

declare <2 x float> @_Z5cdotciPSt7complexIfEiS1_i(i32 noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5cppslPSt7complexIfEiS1_(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #4 {
  %4 = alloca %"class.std::complex", align 8
  %5 = alloca %"class.std::complex", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt7complexIfEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %4, float noundef 0.000000e+00, float noundef 0.000000e+00)
  %invariant.gep = getelementptr i8, ptr %0, i64 -8
  %.not38 = icmp slt i32 %1, 1
  br i1 %.not38, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %3
  %6 = add nuw i32 %1, 1
  %wide.trip.count = zext i32 %6 to i64
  br label %.lr.ph

.lr.ph45.preheader:                               ; preds = %.lr.ph
  %7 = zext nneg i32 %1 to i64
  br label %.lr.ph45

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %.03539 = phi i32 [ 0, %.lr.ph.preheader ], [ %14, %.lr.ph ]
  %8 = add nsw i64 %indvars.iv, -1
  %9 = zext nneg i32 %.03539 to i64
  %10 = getelementptr inbounds %"class.std::complex", ptr %0, i64 %9
  %11 = trunc nuw nsw i64 %8 to i32
  %12 = call <2 x float> @_Z5cdotciPSt7complexIfEiS1_i(i32 noundef %11, ptr noundef %10, i32 noundef 1, ptr noundef %2, i32 noundef 1)
  store <2 x float> %12, ptr %4, align 8, !tbaa !5
  %13 = trunc nuw nsw i64 %indvars.iv to i32
  %14 = add nuw nsw i32 %.03539, %13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %15 = getelementptr inbounds %"class.std::complex", ptr %2, i64 %8
  %16 = call <2 x float> @_ZStmiIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %15, ptr noundef nonnull align 4 dereferenceable(8) %4)
  store <2 x float> %16, ptr %5, align 8
  %17 = zext nneg i32 %14 to i64
  %gep = getelementptr %"class.std::complex", ptr %invariant.gep, i64 %17
  %18 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %gep)
  store <2 x float> %18, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.lr.ph45.preheader, label %.lr.ph, !llvm.loop !8

.lr.ph45:                                         ; preds = %.lr.ph45.preheader, %.lr.ph45
  %indvars.iv47 = phi i64 [ %7, %.lr.ph45.preheader ], [ %indvars.iv.next48, %.lr.ph45 ]
  %.13643 = phi i32 [ %14, %.lr.ph45.preheader ], [ %23, %.lr.ph45 ]
  %indvars.iv.next48 = add nsw i64 %indvars.iv47, -1
  %19 = getelementptr inbounds %"class.std::complex", ptr %2, i64 %indvars.iv.next48
  %20 = sext i32 %.13643 to i64
  %gep42 = getelementptr %"class.std::complex", ptr %invariant.gep, i64 %20
  %21 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %19, ptr noundef nonnull align 4 dereferenceable(8) %gep42)
  store <2 x float> %21, ptr %19, align 4, !tbaa !5
  %22 = trunc nuw nsw i64 %indvars.iv47 to i32
  %23 = sub nsw i32 %.13643, %22
  %24 = call <2 x float> @_ZStngIfESt7complexIT_ERKS2_(ptr noundef nonnull align 4 dereferenceable(8) %19)
  store <2 x float> %24, ptr %4, align 8, !tbaa !5
  %25 = sext i32 %23 to i64
  %26 = getelementptr inbounds %"class.std::complex", ptr %0, i64 %25
  %27 = trunc nuw nsw i64 %indvars.iv.next48 to i32
  call void @_Z5caxpyiSt7complexIfEPS0_iS1_i(i32 noundef %27, <2 x float> %24, ptr noundef %26, i32 noundef 1, ptr noundef nonnull %2, i32 noundef 1)
  %28 = icmp ugt i64 %indvars.iv47, 1
  br i1 %28, label %.lr.ph45, label %._crit_edge, !llvm.loop !10

._crit_edge:                                      ; preds = %.lr.ph45, %3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint mustprogress uwtable "min-legal-vector-width"="64" "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 = { "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 = { mustprogress uwtable "min-legal-vector-width"="64" "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 #5 = { 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++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass