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; RUN: llc -mtriple=x86_64-pc-windows-msvc -verify-machineinstrs < %s | FileCheck %s
; We should store -2 into UnwindHelp in a slot immediately after the last XMM
; CSR save.
declare void @g()
declare i32 @__CxxFrameHandler3(...)
@fp_global = global double 0.0
define void @f() personality ptr @__CxxFrameHandler3 {
%v = load double, ptr @fp_global
call void @g()
%v1 = fadd double %v, 1.0
store double %v1, ptr @fp_global
invoke void @g()
to label %return unwind label %catch.dispatch
return:
ret void
catch.dispatch:
%cs1 = catchswitch within none [label %catch] unwind to caller
catch:
%p = catchpad within %cs1 [ptr null, i32 64, ptr null]
catchret from %p to label %return
}
; CHECK: f: # @f
; CHECK: pushq %rbp
; CHECK: .seh_pushreg %rbp
; CHECK: subq $64, %rsp
; CHECK: .seh_stackalloc 64
; CHECK: leaq 64(%rsp), %rbp
; CHECK: .seh_setframe %rbp, 64
; CHECK: movaps %xmm6, -16(%rbp) # 16-byte Spill
; CHECK: .seh_savexmm %xmm6, 48
; CHECK: .seh_endprologue
; CHECK: movq $-2, -24(%rbp)
; CHECK: movsd fp_global(%rip), %xmm6 # xmm6 = mem[0],zero
; CHECK: callq g
; CHECK: addsd __real@3ff0000000000000(%rip), %xmm6
; CHECK: movsd %xmm6, fp_global(%rip)
; CHECK: .Ltmp{{.*}}
; CHECK: callq g
; CHECK: .Ltmp{{.*}}
; CHECK: .LBB{{.*}} # Block address taken
; CHECK: movaps -16(%rbp), %xmm6
; CHECK: addq $64, %rsp
; CHECK: popq %rbp
; CHECK: retq
; CHECK: .seh_handlerdata
; CHECK: # %catch
; CHECK: movq %rdx, 16(%rsp)
; CHECK: pushq %rbp
; CHECK: .seh_pushreg %rbp
; CHECK: subq $48, %rsp
; CHECK: .seh_stackalloc 48
; CHECK: leaq 64(%rdx), %rbp
; CHECK: movapd %xmm6, 32(%rsp)
; CHECK: .seh_savexmm %xmm6, 32
; CHECK: .seh_endprologue
; CHECK: movapd 32(%rsp), %xmm6
; CHECK: leaq .LBB0_1(%rip), %rax
; CHECK: addq $48, %rsp
; CHECK: popq %rbp
; CHECK: retq # CATCHRET
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