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      1 ; RUN: opt < %s -instcombine -S | FileCheck %s
      2 
      3 target datalayout = "e-p:32:32"
      4 target triple = "i686-pc-linux-gnu"
      5 
      6 define i32 @main() {
      7 ; CHECK-LABEL: @main
      8 ; CHECK: call i32 bitcast
      9 entry:
     10   %tmp = call i32 bitcast (i8* (i32*)* @ctime to i32 (i32*)*)( i32* null )          ; <i32> [#uses=1]
     11   ret i32 %tmp
     12 }
     13 
     14 declare i8* @ctime(i32*)
     15 
     16 define internal { i8 } @foo(i32*) {
     17 entry:
     18   ret { i8 } { i8 0 }
     19 }
     20 
     21 define void @test_struct_ret() {
     22 ; CHECK-LABEL: @test_struct_ret
     23 ; CHECK-NOT: bitcast
     24 entry:
     25   %0 = call { i8 } bitcast ({ i8 } (i32*)* @foo to { i8 } (i16*)*)(i16* null)
     26   ret void
     27 }
     28