1; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s
2
3; Check that the X86 stackmap shadow optimization is only outputting a 1-byte
4; nop here. 8-bytes are requested, but 7 are covered by the code for the call to
5; bar, the frame teardown and the return.
6define void @shadow_optimization_test() {
7entry:
8; CHECK-LABEL:  shadow_optimization_test:
9; CHECK:        callq   _bar
10; CHECK-NOT:    nop
11; CHECK:        callq   _bar
12; CHECK:        retq
13; CHECK:        nop
14  call void @bar()
15  tail call void (i64, i32, ...)* @llvm.experimental.stackmap(i64 0, i32 8)
16  call void @bar()
17  ret void
18}
19
20declare void @llvm.experimental.stackmap(i64, i32, ...)
21declare void @bar()
22