1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// REQUIRES: target_X86
// RUN: %ldc -mtriple=x86_64-pc-linux-gnu -O -output-s -of=%t.s %s && FileCheck %s < %t.s
import ldc.attributes;
import ldc.llvmasm;
// Without -O, LLVM (6) dumps the 2 params to stack for Linux x64 (but doesn't for Win64).
// Clang is no different though.
// CHECK: withParams:
extern(C) int withParams(int param1, void* param2) @naked
{
// CHECK-NEXT: .cfi_startproc
// CHECK-NEXT: #APP
// CHECK-NEXT: xorl %eax, %eax
// CHECK-NEXT: #NO_APP
// CHECK-NEXT: retq
return __asm!int("xor %eax, %eax", "={eax}");
}
// CHECK: _D10attr_naked8noReturnFZv:
void noReturn() @naked
{
// CHECK-NEXT: .cfi_startproc
// CHECK-NEXT: #APP
// CHECK-NEXT: jmpq *%rax
// CHECK-NEXT: #NO_APP
__asm("jmp *%rax", "");
// CHECK-NOT: retq
// CHECK: .cfi_endproc
}
|
