; Check if we can evaluate a bitcasted call to a function which is constant folded.
; Evaluator folds call to fmodf, replacing it with constant value in case both operands
; are known at compile time.
; RUN: opt -passes=globalopt,instcombine %s -S -o - | FileCheck %s

; CHECK:        @_q = dso_local local_unnamed_addr global %struct.Q { i32 1066527622 }
; CHECK:        define dso_local i32 @main
; CHECK-NEXT:     %[[V:.+]] = load i32, ptr @_q
; CHECK-NEXT:     ret i32 %[[V]]

source_filename = "main.cpp"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-none-linux-gnu"

%struct.Q = type { i32 }

$_ZN1QC2Ev = comdat any

@_q = dso_local global %struct.Q zeroinitializer, align 4
@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_main.cpp, ptr null }]

define internal void @__cxx_global_var_init() section ".text.startup" {
  call void @_ZN1QC2Ev(ptr @_q)
  ret void
}

define linkonce_odr dso_local void @_ZN1QC2Ev(ptr) unnamed_addr #1 comdat align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8
  %3 = load ptr, ptr %2, align 8
  %4 = call i32 @fmodf(float 0x40091EB860000000, float 2.000000e+00)
  store i32 %4, ptr %3, align 4
  ret void
}

define dso_local i32 @main(i32, ptr) {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4
  store ptr %1, ptr %5, align 8
  %6 = load i32, ptr @_q, align 4
  ret i32 %6
}

; Function Attrs: nounwind
declare dso_local float @fmodf(float, float)

; Function Attrs: noinline uwtable
define internal void @_GLOBAL__sub_I_main.cpp() section ".text.startup" {
  call void @__cxx_global_var_init()
  ret void
}