| ; 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 |
| } |