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