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      1 ; RUN: llc < %s -fast-isel -tailcallopt -march=x86 | not grep add
      2 ; PR4154
      3 
      4 ; On x86, -tailcallopt changes the ABI so the caller shouldn't readjust
      5 ; the stack pointer after the call in this code.
      6 
      7 define i32 @stub(i8* %t0) nounwind {
      8 entry:
      9         %t1 = load i32* inttoptr (i32 139708680 to i32*)         ; <i32> [#uses=1]
     10         %t2 = bitcast i8* %t0 to i32 (i32)*               ; <i32 (i32)*> [#uses=1]
     11         %t3 = call fastcc i32 %t2(i32 %t1)         ; <i32> [#uses=1]
     12         ret i32 %t3
     13 }
     14