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// REQUIRES: x86-registered-target
// RUN: %clang_cc1 -x c++ %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - -std=c++11 | FileCheck %s
// rdar://13645930
struct Foo {
static int *ptr;
static int a, b;
int arr[4];
struct Bar {
static int *ptr;
char arr[2];
};
};
void t1() {
Foo::ptr = (int *)0xDEADBEEF;
Foo::Bar::ptr = (int *)0xDEADBEEF;
__asm mov eax, Foo ::ptr
__asm mov eax, Foo :: Bar :: ptr
__asm mov eax, [Foo:: ptr]
__asm mov eax, dword ptr [Foo :: ptr]
__asm mov eax, dword ptr [Foo :: ptr]
// CHECK: @_Z2t1v
// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0\0A\09mov eax, dword ptr $1\0A\09mov eax, dword ptr $2\0A\09mov eax, dword ptr $3\0A\09mov eax, dword ptr $4", "*m,*m,*m,*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3Bar3ptrE, i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3ptrE)
}
int gvar = 10;
void t2() {
int lvar = 10;
__asm mov eax, offset Foo::ptr
__asm mov eax, offset Foo::Bar::ptr
// CHECK: t2
// CHECK: call void asm sideeffect inteldialect "mov eax, $0\0A\09mov eax, $1", "r,r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3Bar3ptrE)
}
// CHECK-LABEL: define void @_Z2t3v()
void t3() {
__asm mov eax, LENGTH Foo::ptr
__asm mov eax, LENGTH Foo::Bar::ptr
__asm mov eax, LENGTH Foo::arr
__asm mov eax, LENGTH Foo::Bar::arr
__asm mov eax, TYPE Foo::ptr
__asm mov eax, TYPE Foo::Bar::ptr
__asm mov eax, TYPE Foo::arr
__asm mov eax, TYPE Foo::Bar::arr
__asm mov eax, SIZE Foo::ptr
__asm mov eax, SIZE Foo::Bar::ptr
__asm mov eax, SIZE Foo::arr
__asm mov eax, SIZE Foo::Bar::arr
// CHECK: call void asm sideeffect inteldialect "mov eax, $$1\0A\09mov eax, $$1\0A\09mov eax, $$4\0A\09mov eax, $$2\0A\09mov eax, $$4\0A\09mov eax, $$4\0A\09mov eax, $$4\0A\09mov eax, $$1\0A\09mov eax, $$4\0A\09mov eax, $$4\0A\09mov eax, $$16\0A\09mov eax, $$2", "~{eax},~{dirflag},~{fpsr},~{flags}"()
}
struct T4 {
int x;
static int y;
void test();
};
// CHECK-LABEL: define void @_ZN2T44testEv(
void T4::test() {
// CHECK: [[T0:%.*]] = alloca [[T4:%.*]]*,
// CHECK: [[THIS:%.*]] = load [[T4]]*, [[T4]]** [[T0]]
// CHECK: [[X:%.*]] = getelementptr inbounds [[T4]], [[T4]]* [[THIS]], i32 0, i32 0
__asm mov eax, x;
__asm mov y, eax;
// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $1\0A\09mov dword ptr $0, eax", "=*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* @_ZN2T41yE, i32* {{.*}})
}
template <class T> struct T5 {
template <class U> static T create(U);
void run();
};
// CHECK-LABEL: define void @_Z5test5v()
void test5() {
// CHECK: [[X:%.*]] = alloca i32
// CHECK: [[Y:%.*]] = alloca i32
int x, y;
__asm push y
__asm call T5<int>::create<float>
__asm mov x, eax
// CHECK: call void asm sideeffect inteldialect "push dword ptr $0\0A\09call dword ptr $2\0A\09mov dword ptr $1, eax", "=*m,=*m,*m,~{esp},~{dirflag},~{fpsr},~{flags}"(i32* %y, i32* %x, i32 (float)* @_ZN2T5IiE6createIfEEiT_)
}
// Just verify this doesn't emit an error.
void test6() {
__asm {
a:
jmp a
}
}
void t7_struct() {
struct A {
int a;
int b;
};
__asm mov eax, [eax].A.b
// CHECK-LABEL: define void @_Z9t7_structv
// CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
}
void t7_typedef() {
typedef struct {
int a;
int b;
} A;
__asm mov eax, [eax].A.b
// CHECK-LABEL: define void @_Z10t7_typedefv
// CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
}
void t7_using() {
using A = struct {
int a;
int b;
};
__asm mov eax, [eax].A.b
// CHECK-LABEL: define void @_Z8t7_usingv
// CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"()
}
void t8() {
__asm some_label:
// CHECK-LABEL: define void @_Z2t8v()
// CHECK: call void asm sideeffect inteldialect "L__MSASMLABEL_.${:uid}__some_label:", "~{dirflag},~{fpsr},~{flags}"()
struct A {
static void g() {
__asm jmp some_label ; This should jump forwards
__asm some_label:
__asm nop
// CHECK-LABEL: define internal void @_ZZ2t8vEN1A1gEv()
// CHECK: call void asm sideeffect inteldialect "jmp L__MSASMLABEL_.${:uid}__some_label\0A\09L__MSASMLABEL_.${:uid}__some_label:\0A\09nop", "~{dirflag},~{fpsr},~{flags}"()
}
};
A::g();
}
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