63 lines
2.4 KiB
LLVM
63 lines
2.4 KiB
LLVM
|
; RUN: llc -mtriple x86_64-w64-mingw32 %s -o - | FileCheck %s
|
||
|
|
|
||
|
|
declare void @foo({ float, double }* byval({ float, double }))
|
||
|
|
@G = external constant { float, double }
|
||
|
|
|
||
|
|
define void @bar()
|
||
|
|
{
|
||
|
|
; Make sure we're creating a temporary stack slot, rather than just passing
|
||
|
|
; the pointer through unmodified.
|
||
|
|
; CHECK-LABEL: @bar
|
||
|
|
; CHECK: movq .refptr.G(%rip), %rax
|
||
|
|
; CHECK: movq (%rax), %rcx
|
||
|
|
; CHECK: movq 8(%rax), %rax
|
||
|
|
; CHECK: movq %rax, 40(%rsp)
|
||
|
|
; CHECK: movq %rcx, 32(%rsp)
|
||
|
|
; CHECK: leaq 32(%rsp), %rcx
|
||
|
|
call void @foo({ float, double }* byval({ float, double }) @G)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @baz({ float, double }* byval({ float, double }) %arg)
|
||
|
|
{
|
||
|
|
; On Win64 the byval is effectively ignored on declarations, since we do
|
||
|
|
; pass a real pointer in registers. However, by our semantics if we pass
|
||
|
|
; the pointer on to another byval function, we do need to make a copy.
|
||
|
|
; CHECK-LABEL: @baz
|
||
|
|
; CHECK: movq (%rcx), %rax
|
||
|
|
; CHECK: movq 8(%rcx), %rcx
|
||
|
|
; CHECK: movq %rcx, 40(%rsp)
|
||
|
|
; CHECK: movq %rax, 32(%rsp)
|
||
|
|
; CHECK: leaq 32(%rsp), %rcx
|
||
|
|
call void @foo({ float, double }* byval({ float, double }) %arg)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @foo2({ float, double }* byval({ float, double }), { float, double }* byval({ float, double }), { float, double }* byval({ float, double }), { float, double }* byval({ float, double }), { float, double }* byval({ float, double }), i64 %f)
|
||
|
|
@data = external constant { float, double }
|
||
|
|
|
||
|
|
define void @test() {
|
||
|
|
; CHECK-LABEL: @test
|
||
|
|
; CHECK: movq (%rax), %rcx
|
||
|
|
; CHECK-NEXT: movq 8(%rax), %rax
|
||
|
|
; CHECK-NEXT: movq %rax, 120(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rcx, 112(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rcx, 96(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rax, 104(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rcx, 80(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rax, 88(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rcx, 64(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rax, 72(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rax, 56(%rsp)
|
||
|
|
; CHECK-NEXT: movq %rcx, 48(%rsp)
|
||
|
|
; CHECK-NEXT: leaq 48(%rsp), %rax
|
||
|
|
; CHECK-NEXT: movq %rax, 32(%rsp)
|
||
|
|
; CHECK-NEXT: movq $10, 40(%rsp)
|
||
|
|
; CHECK-NEXT: leaq 112(%rsp), %rcx
|
||
|
|
; CHECK-NEXT: leaq 96(%rsp), %rdx
|
||
|
|
; CHECK-NEXT: leaq 80(%rsp), %r8
|
||
|
|
; CHECK-NEXT: leaq 64(%rsp), %r9
|
||
|
|
call void @foo2({ float, double }* byval({ float, double }) @G, { float, double }* byval({ float, double }) @G, { float, double }* byval({ float, double }) @G, { float, double }* byval({ float, double }) @G, { float, double }* byval({ float, double }) @G, i64 10)
|
||
|
|
ret void
|
||
|
|
}
|