; LLVM IR from facebook/hermes :: API/hermes_sandbox/external (hermes_sandbox_impl_compiled_4)

; 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.w2c_hermes = type { ptr, ptr, ptr, i32, i32, i32, %struct.wasm_rt_memory_t, %struct.wasm_rt_funcref_table_t }
%struct.wasm_rt_memory_t = type { ptr, i64, i64, i64, i8 }
%struct.wasm_rt_funcref_table_t = type { ptr, i32, i32 }

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

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

; Function Attrs: noreturn
declare void @wasm_rt_trap(i32 noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @i32_store(ptr noundef, i64 noundef, i32 noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @i32_load8_u(ptr noundef, i64 noundef) #2

declare void @w2c_hermes_0x5F_assert_fail(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @w2c_hermes_hermes0x3A0x3Avm0x3A0x3ANativeState0x3A0x3Acreate0x28hermes0x3A0x3Avm0x3A0x3ARuntime0x260x2C0x20void0x2A0x2C0x20void0x200x280x2A0x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x29(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #4 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, 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 i32 %3, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.w2c_hermes, ptr %15, i32 0, i32 3
  %17 = load i32, ptr %16, align 8, !tbaa !11
  store i32 %17, ptr %10, align 4, !tbaa !9
  store i32 16, ptr %11, align 4, !tbaa !9
  %18 = load i32, ptr %11, align 4, !tbaa !9
  %19 = load i32, ptr %10, align 4, !tbaa !9
  %20 = sub i32 %19, %18
  store i32 %20, ptr %10, align 4, !tbaa !9
  %21 = load i32, ptr %10, align 4, !tbaa !9
  store i32 %21, ptr %9, align 4, !tbaa !9
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.w2c_hermes, ptr %23, i32 0, i32 3
  store i32 %22, ptr %24, align 8, !tbaa !11
  %25 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %25, ptr %10, align 4, !tbaa !9
  %26 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %26, ptr %11, align 4, !tbaa !9
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.w2c_hermes, ptr %27, i32 0, i32 6
  %29 = load i32, ptr %10, align 4, !tbaa !9
  %30 = zext i32 %29 to i64
  %31 = add i64 %30, 8
  %32 = load i32, ptr %11, align 4, !tbaa !9
  call void @i32_store(ptr noundef %28, i64 noundef %31, i32 noundef %32)
  %33 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %33, ptr %10, align 4, !tbaa !9
  %34 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %34, ptr %11, align 4, !tbaa !9
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.w2c_hermes, ptr %35, i32 0, i32 6
  %37 = load i32, ptr %10, align 4, !tbaa !9
  %38 = zext i32 %37 to i64
  %39 = add i64 %38, 12
  %40 = load i32, ptr %11, align 4, !tbaa !9
  call void @i32_store(ptr noundef %36, i64 noundef %39, i32 noundef %40)
  %41 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %41, ptr %10, align 4, !tbaa !9
  store i32 5860, ptr %11, align 4, !tbaa !9
  %42 = load i32, ptr %11, align 4, !tbaa !9
  %43 = load i32, ptr %10, align 4, !tbaa !9
  %44 = add i32 %43, %42
  store i32 %44, ptr %10, align 4, !tbaa !9
  %45 = load ptr, ptr %5, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.w2c_hermes, ptr %45, i32 0, i32 6
  %47 = load i32, ptr %10, align 4, !tbaa !9
  %48 = zext i32 %47 to i64
  %49 = call i32 @i32_load8_u(ptr noundef %46, i64 noundef %48)
  store i32 %49, ptr %10, align 4, !tbaa !9
  %50 = load i32, ptr %10, align 4, !tbaa !9
  %51 = icmp ne i32 %50, 0
  %52 = xor i1 %51, true
  %53 = zext i1 %52 to i32
  store i32 %53, ptr %10, align 4, !tbaa !9
  %54 = load i32, ptr %10, align 4, !tbaa !9
  %55 = icmp ne i32 %54, 0
  br i1 %55, label %56, label %74

56:                                               ; preds = %4
  store i32 0, ptr %10, align 4, !tbaa !9
  %57 = load i32, ptr %10, align 4, !tbaa !9
  store i32 %57, ptr %9, align 4, !tbaa !9
  store i32 193151, ptr %11, align 4, !tbaa !9
  %58 = load i32, ptr %11, align 4, !tbaa !9
  %59 = load i32, ptr %10, align 4, !tbaa !9
  %60 = add i32 %59, %58
  store i32 %60, ptr %10, align 4, !tbaa !9
  %61 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %61, ptr %11, align 4, !tbaa !9
  store i32 84373, ptr %12, align 4, !tbaa !9
  %62 = load i32, ptr %12, align 4, !tbaa !9
  %63 = load i32, ptr %11, align 4, !tbaa !9
  %64 = add i32 %63, %62
  store i32 %64, ptr %11, align 4, !tbaa !9
  store i32 1447, ptr %12, align 4, !tbaa !9
  %65 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %65, ptr %13, align 4, !tbaa !9
  store i32 109070, ptr %14, align 4, !tbaa !9
  %66 = load i32, ptr %14, align 4, !tbaa !9
  %67 = load i32, ptr %13, align 4, !tbaa !9
  %68 = add i32 %67, %66
  store i32 %68, ptr %13, align 4, !tbaa !9
  %69 = load ptr, ptr %5, align 8, !tbaa !5
  %70 = load i32, ptr %10, align 4, !tbaa !9
  %71 = load i32, ptr %11, align 4, !tbaa !9
  %72 = load i32, ptr %12, align 4, !tbaa !9
  %73 = load i32, ptr %13, align 4, !tbaa !9
  call void @w2c_hermes_0x5F_assert_fail(ptr noundef %69, i32 noundef %70, i32 noundef %71, i32 noundef %72, i32 noundef %73)
  call void @wasm_rt_trap(i32 noundef 5) #6
  unreachable

74:                                               ; preds = %4
  %75 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %75, ptr %10, align 4, !tbaa !9
  store i32 808, ptr %11, align 4, !tbaa !9
  %76 = load i32, ptr %11, align 4, !tbaa !9
  %77 = load i32, ptr %10, align 4, !tbaa !9
  %78 = add i32 %77, %76
  store i32 %78, ptr %10, align 4, !tbaa !9
  %79 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %79, ptr %11, align 4, !tbaa !9
  store i32 12, ptr %12, align 4, !tbaa !9
  %80 = load i32, ptr %12, align 4, !tbaa !9
  %81 = load i32, ptr %11, align 4, !tbaa !9
  %82 = add i32 %81, %80
  store i32 %82, ptr %11, align 4, !tbaa !9
  %83 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %83, ptr %12, align 4, !tbaa !9
  store i32 8, ptr %13, align 4, !tbaa !9
  %84 = load i32, ptr %13, align 4, !tbaa !9
  %85 = load i32, ptr %12, align 4, !tbaa !9
  %86 = add i32 %85, %84
  store i32 %86, ptr %12, align 4, !tbaa !9
  %87 = load ptr, ptr %5, align 8, !tbaa !5
  %88 = load i32, ptr %10, align 4, !tbaa !9
  %89 = load i32, ptr %11, align 4, !tbaa !9
  %90 = load i32, ptr %12, align 4, !tbaa !9
  %91 = call i32 @w2c_hermes_hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x20hermes0x3A0x3Avm0x3A0x3AGCBase0x3A0x3AmakeAFixed0x3Chermes0x3A0x3Avm0x3A0x3ANativeState0x2C0x200x28hermes0x3A0x3Avm0x3A0x3AHasFinalizer0x2910x2C0x200x28hermes0x3A0x3Avm0x3A0x3ALongLived0x2900x2C0x20void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x3E0x28void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x29(ptr noundef %87, i32 noundef %88, i32 noundef %89, i32 noundef %90)
  store i32 %91, ptr %10, align 4, !tbaa !9
  %92 = load i32, ptr %10, align 4, !tbaa !9
  store i32 %92, ptr %6, align 4, !tbaa !9
  %93 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %93, ptr %10, align 4, !tbaa !9
  store i32 16, ptr %11, align 4, !tbaa !9
  %94 = load i32, ptr %11, align 4, !tbaa !9
  %95 = load i32, ptr %10, align 4, !tbaa !9
  %96 = add i32 %95, %94
  store i32 %96, ptr %10, align 4, !tbaa !9
  %97 = load i32, ptr %10, align 4, !tbaa !9
  %98 = load ptr, ptr %5, align 8, !tbaa !5
  %99 = getelementptr inbounds %struct.w2c_hermes, ptr %98, i32 0, i32 3
  store i32 %97, ptr %99, align 8, !tbaa !11
  %100 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %100, ptr %10, align 4, !tbaa !9
  %101 = load i32, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  ret i32 %101
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @w2c_hermes_hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x20hermes0x3A0x3Avm0x3A0x3AGCBase0x3A0x3AmakeAFixed0x3Chermes0x3A0x3Avm0x3A0x3ANativeState0x2C0x200x28hermes0x3A0x3Avm0x3A0x3AHasFinalizer0x2910x2C0x200x28hermes0x3A0x3Avm0x3A0x3ALongLived0x2900x2C0x20void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x3E0x28void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x29(ptr noundef, i32 noundef, i32 noundef, i32 noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn "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 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 #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 = { 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 #5 = { nounwind }
attributes #6 = { noreturn }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 24}
!12 = !{!"w2c_hermes", !6, i64 0, !6, i64 8, !6, i64 16, !10, i64 24, !10, i64 28, !10, i64 32, !13, i64 40, !16, i64 80}
!13 = !{!"", !6, i64 0, !14, i64 8, !14, i64 16, !14, i64 24, !15, i64 32}
!14 = !{!"long", !7, i64 0}
!15 = !{!"_Bool", !7, i64 0}
!16 = !{!"", !6, i64 0, !10, i64 8, !10, i64 12}


; 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: noreturn
declare void @wasm_rt_trap(i32 noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @i32_store(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @i32_load8_u(ptr noundef, i64 noundef) local_unnamed_addr #1

declare void @w2c_hermes_0x5F_assert_fail(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local i32 @w2c_hermes_hermes0x3A0x3Avm0x3A0x3ANativeState0x3A0x3Acreate0x28hermes0x3A0x3Avm0x3A0x3ARuntime0x260x2C0x20void0x2A0x2C0x20void0x200x280x2A0x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x29(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #3 {
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %7 = add i32 %6, -16
  store i32 %7, ptr %5, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 40
  %9 = zext i32 %7 to i64
  %10 = add nuw nsw i64 %9, 8
  tail call void @i32_store(ptr noundef nonnull %8, i64 noundef %10, i32 noundef %3)
  %11 = add nuw nsw i64 %9, 12
  tail call void @i32_store(ptr noundef nonnull %8, i64 noundef %11, i32 noundef %2)
  %12 = add i32 %1, 5860
  %13 = zext i32 %12 to i64
  %14 = tail call i32 @i32_load8_u(ptr noundef nonnull %8, i64 noundef %13)
  %.not = icmp eq i32 %14, 0
  br i1 %.not, label %15, label %16

15:                                               ; preds = %4
  tail call void @w2c_hermes_0x5F_assert_fail(ptr noundef nonnull %0, i32 noundef 193151, i32 noundef 84373, i32 noundef 1447, i32 noundef 109070) #4
  tail call void @wasm_rt_trap(i32 noundef 5) #5
  unreachable

16:                                               ; preds = %4
  %17 = add i32 %1, 808
  %18 = add i32 %6, -4
  %19 = add i32 %6, -8
  %20 = tail call i32 @w2c_hermes_hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x20hermes0x3A0x3Avm0x3A0x3AGCBase0x3A0x3AmakeAFixed0x3Chermes0x3A0x3Avm0x3A0x3ANativeState0x2C0x200x28hermes0x3A0x3Avm0x3A0x3AHasFinalizer0x2910x2C0x200x28hermes0x3A0x3Avm0x3A0x3ALongLived0x2900x2C0x20void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x3E0x28void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x29(ptr noundef nonnull %0, i32 noundef %17, i32 noundef %18, i32 noundef %19)
  store i32 %6, ptr %5, align 8, !tbaa !5
  ret i32 %20
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @w2c_hermes_hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x20hermes0x3A0x3Avm0x3A0x3AGCBase0x3A0x3AmakeAFixed0x3Chermes0x3A0x3Avm0x3A0x3ANativeState0x2C0x200x28hermes0x3A0x3Avm0x3A0x3AHasFinalizer0x2910x2C0x200x28hermes0x3A0x3Avm0x3A0x3ALongLived0x2900x2C0x20void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x3E0x28void0x2A0x260x2C0x20void0x200x280x2A0x260x290x28hermes0x3A0x3Avm0x3A0x3AHadesGC0x260x2C0x20hermes0x3A0x3Avm0x3A0x3ANativeState0x2A0x290x29(ptr noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

attributes #0 = { noreturn "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 = { inlinehint 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 = { "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 = { 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 #4 = { nounwind }
attributes #5 = { noreturn 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, !10, i64 24}
!6 = !{!"w2c_hermes", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24, !10, i64 28, !10, i64 32, !11, i64 40, !14, i64 80}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"", !7, i64 0, !12, i64 8, !12, i64 16, !12, i64 24, !13, i64 32}
!12 = !{!"long", !8, i64 0}
!13 = !{!"_Bool", !8, i64 0}
!14 = !{!"", !7, i64 0, !10, i64 8, !10, i64 12}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass