1 ; RUN: llc < %s -fast-isel -tailcallopt -march=x86 | FileCheck %s 2 ; CHECK-NOT: add 3 ; PR4154 4 5 ; On x86, -tailcallopt changes the ABI so the caller shouldn't readjust 6 ; the stack pointer after the call in this code. 7 8 define i32 @stub(i8* %t0) nounwind { 9 entry: 10 %t1 = load i32* inttoptr (i32 139708680 to i32*) ; <i32> [#uses=1] 11 %t2 = bitcast i8* %t0 to i32 (i32)* ; <i32 (i32)*> [#uses=1] 12 %t3 = call fastcc i32 %t2(i32 %t1) ; <i32> [#uses=1] 13 ret i32 %t3 14 } 15