; LLVM IR from kkumatani/distant_speech_recognition :: btk20_src/matrix/linpack_c.ll (Z5cposlPSt7complexIfEiiS1_)

; 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 @_Z5cposlPSt7complexIfEiiS1_(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3) #5 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, 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
  %16 = alloca %"class.std::complex", align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  call void @_ZNSt7complexIfEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %10, float noundef 0.000000e+00, float noundef 0.000000e+00)
  store i32 1, ptr %9, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %59, %4
  %18 = load i32, ptr %9, align 4, !tbaa !9
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = icmp sle i32 %18, %19
  br i1 %20, label %21, label %62

21:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = sub nsw i32 %22, 1
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = getelementptr inbounds %"class.std::complex", ptr %24, i64 0
  %26 = load i32, ptr %9, align 4, !tbaa !9
  %27 = sub nsw i32 %26, 1
  %28 = load i32, ptr %6, align 4, !tbaa !9
  %29 = mul nsw i32 %27, %28
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds %"class.std::complex", ptr %25, i64 %30
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  %33 = call <2 x float> @_Z5cdotciPSt7complexIfEiS1_i(i32 noundef %23, ptr noundef %31, i32 noundef 1, ptr noundef %32, i32 noundef 1)
  %34 = getelementptr inbounds %"class.std::complex", ptr %11, i32 0, i32 0
  store <2 x float> %33, ptr %34, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 4 %11, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %35 = load ptr, ptr %8, align 8, !tbaa !5
  %36 = load i32, ptr %9, align 4, !tbaa !9
  %37 = sub nsw i32 %36, 1
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds %"class.std::complex", ptr %35, i64 %38
  %40 = call <2 x float> @_ZStmiIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %39, ptr noundef nonnull align 4 dereferenceable(8) %10)
  %41 = getelementptr inbounds %"class.std::complex", ptr %13, i32 0, i32 0
  store <2 x float> %40, ptr %41, align 4
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  %43 = load i32, ptr %9, align 4, !tbaa !9
  %44 = sub nsw i32 %43, 1
  %45 = load i32, ptr %9, align 4, !tbaa !9
  %46 = sub nsw i32 %45, 1
  %47 = load i32, ptr %6, align 4, !tbaa !9
  %48 = mul nsw i32 %46, %47
  %49 = add nsw i32 %44, %48
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds %"class.std::complex", ptr %42, i64 %50
  %52 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(8) %51)
  %53 = getelementptr inbounds %"class.std::complex", ptr %12, i32 0, i32 0
  store <2 x float> %52, ptr %53, align 4
  %54 = load ptr, ptr %8, align 8, !tbaa !5
  %55 = load i32, ptr %9, align 4, !tbaa !9
  %56 = sub nsw i32 %55, 1
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds %"class.std::complex", ptr %54, i64 %57
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %58, ptr align 4 %12, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %59

59:                                               ; preds = %21
  %60 = load i32, ptr %9, align 4, !tbaa !9
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %9, align 4, !tbaa !9
  br label %17, !llvm.loop !13

62:                                               ; preds = %17
  %63 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %63, ptr %9, align 4, !tbaa !9
  br label %64

64:                                               ; preds = %110, %62
  %65 = load i32, ptr %9, align 4, !tbaa !9
  %66 = icmp sle i32 1, %65
  br i1 %66, label %67, label %113

67:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %68 = load ptr, ptr %8, align 8, !tbaa !5
  %69 = load i32, ptr %9, align 4, !tbaa !9
  %70 = sub nsw i32 %69, 1
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds %"class.std::complex", ptr %68, i64 %71
  %73 = load ptr, ptr %5, align 8, !tbaa !5
  %74 = load i32, ptr %9, align 4, !tbaa !9
  %75 = sub nsw i32 %74, 1
  %76 = load i32, ptr %9, align 4, !tbaa !9
  %77 = sub nsw i32 %76, 1
  %78 = load i32, ptr %6, align 4, !tbaa !9
  %79 = mul nsw i32 %77, %78
  %80 = add nsw i32 %75, %79
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds %"class.std::complex", ptr %73, i64 %81
  %83 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %72, ptr noundef nonnull align 4 dereferenceable(8) %82)
  %84 = getelementptr inbounds %"class.std::complex", ptr %14, i32 0, i32 0
  store <2 x float> %83, ptr %84, align 4
  %85 = load ptr, ptr %8, align 8, !tbaa !5
  %86 = load i32, ptr %9, align 4, !tbaa !9
  %87 = sub nsw i32 %86, 1
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds %"class.std::complex", ptr %85, i64 %88
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %89, ptr align 4 %14, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %90 = load ptr, ptr %8, align 8, !tbaa !5
  %91 = load i32, ptr %9, align 4, !tbaa !9
  %92 = sub nsw i32 %91, 1
  %93 = sext i32 %92 to i64
  %94 = getelementptr inbounds %"class.std::complex", ptr %90, i64 %93
  %95 = call <2 x float> @_ZStngIfESt7complexIT_ERKS2_(ptr noundef nonnull align 4 dereferenceable(8) %94)
  %96 = getelementptr inbounds %"class.std::complex", ptr %15, i32 0, i32 0
  store <2 x float> %95, ptr %96, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 4 %15, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  %97 = load i32, ptr %9, align 4, !tbaa !9
  %98 = sub nsw i32 %97, 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %16, ptr align 4 %10, i64 8, i1 false), !tbaa.struct !11
  %99 = load ptr, ptr %5, align 8, !tbaa !5
  %100 = getelementptr inbounds %"class.std::complex", ptr %99, i64 0
  %101 = load i32, ptr %9, align 4, !tbaa !9
  %102 = sub nsw i32 %101, 1
  %103 = load i32, ptr %6, align 4, !tbaa !9
  %104 = mul nsw i32 %102, %103
  %105 = sext i32 %104 to i64
  %106 = getelementptr inbounds %"class.std::complex", ptr %100, i64 %105
  %107 = load ptr, ptr %8, align 8, !tbaa !5
  %108 = getelementptr inbounds %"class.std::complex", ptr %16, i32 0, i32 0
  %109 = load <2 x float>, ptr %108, align 4
  call void @_Z5caxpyiSt7complexIfEPS0_iS1_i(i32 noundef %98, <2 x float> %109, ptr noundef %106, i32 noundef 1, ptr noundef %107, i32 noundef 1)
  br label %110

110:                                              ; preds = %67
  %111 = load i32, ptr %9, align 4, !tbaa !9
  %112 = add nsw i32 %111, -1
  store i32 %112, ptr %9, align 4, !tbaa !9
  br label %64, !llvm.loop !15

113:                                              ; preds = %64
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #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 @_Z5cposlPSt7complexIfEiiS1_(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3) local_unnamed_addr #4 {
  %5 = alloca %"class.std::complex", align 8
  %6 = alloca %"class.std::complex", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  call void @_ZNSt7complexIfEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %5, float noundef 0.000000e+00, float noundef 0.000000e+00)
  %.not38 = icmp slt i32 %2, 1
  br i1 %.not38, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %4
  %7 = sext i32 %1 to i64
  %8 = add nuw i32 %2, 1
  %wide.trip.count = zext i32 %8 to i64
  br label %.lr.ph

.lr.ph41.preheader:                               ; preds = %.lr.ph
  %9 = zext nneg i32 %2 to i64
  %10 = sext i32 %1 to i64
  br label %.lr.ph41

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %11 = add nsw i64 %indvars.iv, -1
  %12 = mul nsw i64 %11, %7
  %13 = getelementptr inbounds %"class.std::complex", ptr %0, i64 %12
  %14 = trunc nuw nsw i64 %11 to i32
  %15 = call <2 x float> @_Z5cdotciPSt7complexIfEiS1_i(i32 noundef %14, ptr noundef %13, i32 noundef 1, ptr noundef %3, i32 noundef 1)
  store <2 x float> %15, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %16 = getelementptr inbounds %"class.std::complex", ptr %3, i64 %11
  %17 = call <2 x float> @_ZStmiIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %16, ptr noundef nonnull align 4 dereferenceable(8) %5)
  store <2 x float> %17, ptr %6, align 8
  %18 = getelementptr %"class.std::complex", ptr %0, i64 %12
  %19 = getelementptr %"class.std::complex", ptr %18, i64 %11
  %20 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(8) %19)
  store <2 x float> %20, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #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.ph41.preheader, label %.lr.ph, !llvm.loop !8

.lr.ph41:                                         ; preds = %.lr.ph41.preheader, %.lr.ph41
  %indvars.iv43 = phi i64 [ %9, %.lr.ph41.preheader ], [ %indvars.iv.next44, %.lr.ph41 ]
  %indvars.iv.next44 = add nsw i64 %indvars.iv43, -1
  %indvars = trunc i64 %indvars.iv.next44 to i32
  %21 = getelementptr inbounds %"class.std::complex", ptr %3, i64 %indvars.iv.next44
  %22 = mul nsw i64 %indvars.iv.next44, %10
  %23 = mul nsw i32 %indvars, %1
  %24 = sext i32 %23 to i64
  %25 = getelementptr %"class.std::complex", ptr %0, i64 %indvars.iv.next44
  %26 = getelementptr %"class.std::complex", ptr %25, i64 %24
  %27 = call <2 x float> @_ZStdvIfESt7complexIT_ERKS2_S4_(ptr noundef nonnull align 4 dereferenceable(8) %21, ptr noundef nonnull align 4 dereferenceable(8) %26)
  store <2 x float> %27, ptr %21, align 4, !tbaa !5
  %28 = call <2 x float> @_ZStngIfESt7complexIT_ERKS2_(ptr noundef nonnull align 4 dereferenceable(8) %21)
  store <2 x float> %28, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %"class.std::complex", ptr %0, i64 %22
  call void @_Z5caxpyiSt7complexIfEPS0_iS1_i(i32 noundef %indvars, <2 x float> %28, ptr noundef %29, i32 noundef 1, ptr noundef nonnull %3, i32 noundef 1)
  %30 = icmp ugt i64 %indvars.iv43, 1
  br i1 %30, label %.lr.ph41, label %._crit_edge, !llvm.loop !10

._crit_edge:                                      ; preds = %.lr.ph41, %4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #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,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass