1; RUN: llc < %s -mtriple=i686-pc-windows-msvc | FileCheck %s -check-prefix=X86 2; RUN: llc < %s -mtriple=i686-w64-windows-gnu | FileCheck %s -check-prefix=X86 3; Control Flow Guard is currently only available on Windows 4 5 6; Test that Control Flow Guard checks are correctly added for x86 vector calls. 7define void @func_cf_vector_x86(ptr %0, ptr %1) #0 { 8entry: 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) 13 ret void 14 15 ; X86-LABEL: func_cf_vector_x86 16 ; X86: movl 12(%ebp), %eax 17 ; X86: movl 8(%ebp), %ecx 18 ; X86: movsd 24(%eax), %xmm4 # xmm4 = mem[0],zero 19 ; X86: movsd %xmm4, 24(%esp) 20 ; X86: movsd 16(%eax), %xmm5 # xmm5 = mem[0],zero 21 ; X86: movsd %xmm5, 16(%esp) 22 ; X86: movsd (%eax), %xmm6 # xmm6 = mem[0],zero 23 ; X86: movsd 8(%eax), %xmm7 # xmm7 = mem[0],zero 24 ; X86: movsd %xmm7, 8(%esp) 25 ; X86: movsd %xmm6, (%esp) 26 ; X86: calll *___guard_check_icall_fptr 27 ; X86: movaps %xmm6, %xmm0 28 ; X86: movaps %xmm7, %xmm1 29 ; X86: movaps %xmm5, %xmm2 30 ; X86: movaps %xmm4, %xmm3 31 ; X86: calll *%ecx 32} 33attributes #0 = { "target-cpu"="pentium4" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" } 34 35%struct.HVA = type { double, double, double, double } 36 37declare void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1 immarg) #1 38attributes #1 = { argmemonly nounwind willreturn } 39 40 41!llvm.module.flags = !{!0} 42!0 = !{i32 2, !"cfguard", i32 2} 43