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      1 ; RUN: llc -mtriple=x86_64-pc-windows-msvc -verify-machineinstrs < %s | FileCheck %s
      2 
      3 ; We should store -2 into UnwindHelp in a slot immediately after the last XMM
      4 ; CSR save.
      5 
      6 declare void @g()
      7 declare i32 @__CxxFrameHandler3(...)
      8 
      9 @fp_global = global double 0.0
     10 
     11 define void @f() personality i32 (...)* @__CxxFrameHandler3 {
     12   %v = load double, double* @fp_global
     13   call void @g()
     14   %v1 = fadd double %v, 1.0
     15   store double %v1, double* @fp_global
     16   invoke void @g()
     17       to label %return unwind label %catch.dispatch
     18 
     19 return:
     20   ret void
     21 
     22 catch.dispatch:
     23   %cs1 = catchswitch within none [label %catch] unwind to caller
     24 
     25 catch:
     26   %p = catchpad within %cs1 [i8* null, i32 64, i8* null]
     27   catchret from %p to label %return
     28 }
     29 
     30 ; CHECK: f: # @f
     31 ; CHECK: pushq   %rbp
     32 ; CHECK: .seh_pushreg 5
     33 ; CHECK: subq    $64, %rsp
     34 ; CHECK: .seh_stackalloc 64
     35 ; CHECK: leaq    64(%rsp), %rbp
     36 ; CHECK: .seh_setframe 5, 64
     37 ; CHECK: movaps  %xmm6, -16(%rbp)        # 16-byte Spill
     38 ; CHECK: .seh_savexmm 6, 48
     39 ; CHECK: .seh_endprologue
     40 ; CHECK: movq    $-2, -24(%rbp)
     41 ; CHECK: movsd   fp_global(%rip), %xmm6  # xmm6 = mem[0],zero
     42 ; CHECK: callq   g
     43 ; CHECK: addsd   __real@3ff0000000000000(%rip), %xmm6
     44 ; CHECK: movsd   %xmm6, fp_global(%rip)
     45 ; CHECK: .Ltmp{{.*}}
     46 ; CHECK: callq   g
     47 ; CHECK: .Ltmp{{.*}}
     48 ; CHECK: .LBB{{.*}} # Block address taken
     49 ; CHECK: movaps  -16(%rbp), %xmm6
     50 ; CHECK: addq    $64, %rsp
     51 ; CHECK: popq    %rbp
     52 ; CHECK: retq
     53 ; CHECK: .seh_handlerdata
     54