1 ; RUN: llc < %s -mtriple=i686-pc-windows-msvc | FileCheck %s -check-prefix=X32
2 ; RUN: llc < %s -mtriple=i686-w64-windows-gnu | FileCheck %s -check-prefix=X32
3 ; Control Flow Guard is currently only available on Windows
6 ; Test that Control Flow Guard checks are correctly added for x86 vector calls.
7 define void @func_cf_vector_x86(ptr %0, ptr %1) #0 {
9 %2 = alloca %struct.HVA, align 8
10 call void @llvm.memcpy.p0.p0.i32(ptr align 8 %2, ptr align 8 %1, i32 32, i1 false)
11 %3 = load %struct.HVA, ptr %2, align 8
12 call x86_vectorcallcc void %0(%struct.HVA inreg %3)
15 ; X32-LABEL: func_cf_vector_x86
16 ; X32: movl 12(%ebp), %eax
17 ; X32: movl 8(%ebp), %ecx
18 ; X32: movsd 24(%eax), %xmm4 # xmm4 = mem[0],zero
19 ; X32: movsd %xmm4, 24(%esp)
20 ; X32: movsd 16(%eax), %xmm5 # xmm5 = mem[0],zero
21 ; X32: movsd %xmm5, 16(%esp)
22 ; X32: movsd (%eax), %xmm6 # xmm6 = mem[0],zero
23 ; X32: movsd 8(%eax), %xmm7 # xmm7 = mem[0],zero
24 ; X32: movsd %xmm7, 8(%esp)
25 ; X32: movsd %xmm6, (%esp)
26 ; X32: calll *___guard_check_icall_fptr
27 ; X32: movaps %xmm6, %xmm0
28 ; X32: movaps %xmm7, %xmm1
29 ; X32: movaps %xmm5, %xmm2
30 ; X32: movaps %xmm4, %xmm3
33 attributes #0 = { "target-cpu"="pentium4" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" }
35 %struct.HVA = type { double, double, double, double }
37 declare void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1 immarg) #1
38 attributes #1 = { argmemonly nounwind willreturn }
41 !llvm.module.flags = !{!0}
42 !0 = !{i32 2, !"cfguard", i32 2}