| // 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_.1__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_.2__some_label\0A\09L__MSASMLABEL_.2__some_label:\0A\09nop", "~{dirflag},~{fpsr},~{flags}"() |
| } |
| }; |
| A::g(); |
| } |
| |