forked from OSchip/llvm-project
231 lines
6.8 KiB
C
231 lines
6.8 KiB
C
// REQUIRES: x86-64-registered-target
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// RUN: %clang_cc1 %s -triple i386-apple-darwin10 -O0 -fasm-blocks -fenable-experimental-ms-inline-asm -w -emit-llvm -o - | FileCheck %s
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void t1() {
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// CHECK: @t1
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// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: ret void
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__asm {}
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}
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void t2() {
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// CHECK: @t2
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// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: ret void
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__asm nop
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__asm nop
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__asm nop
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}
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void t3() {
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// CHECK: @t3
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// CHECK: call void asm sideeffect inteldialect "nop\0A\09nop\0A\09nop", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: ret void
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__asm nop __asm nop __asm nop
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}
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void t4(void) {
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// CHECK: @t4
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// CHECK: call void asm sideeffect inteldialect "mov ebx, eax", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect "mov ecx, ebx", "~{ecx},~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: ret void
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__asm mov ebx, eax
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__asm mov ecx, ebx
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}
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void t5(void) {
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// CHECK: @t5
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// CHECK: call void asm sideeffect inteldialect "mov ebx, eax\0A\09mov ecx, ebx", "~{ebx},~{ecx},~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: ret void
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__asm mov ebx, eax __asm mov ecx, ebx
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}
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void t6(void) {
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__asm int 0x2c
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// CHECK: t6
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// CHECK: call void asm sideeffect inteldialect "int $$0x2c", "~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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void t7() {
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__asm {
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int 0x2c ; } asm comments are fun! }{
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}
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__asm {}
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// CHECK: t7
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// CHECK: call void asm sideeffect inteldialect "int $$0x2c", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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int t8() {
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__asm int 4 ; } comments for single-line asm
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__asm {}
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__asm int 4
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return 10;
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// CHECK: t8
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// CHECK: call void asm sideeffect inteldialect "int $$4", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect "", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect "int $$4", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: ret i32 10
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}
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void t9() {
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__asm {
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push ebx
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mov ebx, 0x07
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pop ebx
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}
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// CHECK: t9
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// CHECK: call void asm sideeffect inteldialect "push ebx\0A\09mov ebx, $$0x07\0A\09pop ebx", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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unsigned t10(void) {
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unsigned i = 1, j;
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__asm {
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mov eax, i
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mov j, eax
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}
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return j;
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// CHECK: t10
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// CHECK: [[I:%[a-zA-Z0-9]+]] = alloca i32, align 4
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// CHECK: [[J:%[a-zA-Z0-9]+]] = alloca i32, align 4
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// CHECK: store i32 1, i32* [[I]], align 4
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// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $1\0A\09mov dword ptr $0, eax", "=*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}, i32* %{{.*}}) nounwind
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// CHECK: [[RET:%[a-zA-Z0-9]+]] = load i32* [[J]], align 4
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// CHECK: ret i32 [[RET]]
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}
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void t11(void) {
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__asm mov eax, 1
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// CHECK: t11
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// CHECK: call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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unsigned t12(void) {
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unsigned i = 1, j, l = 1, m;
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__asm {
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mov eax, i
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mov j, eax
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mov eax, l
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mov m, eax
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}
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return j + m;
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// CHECK: t12
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// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $2\0A\09mov dword ptr $0, eax\0A\09mov eax, dword ptr $3\0A\09mov dword ptr $1, eax", "=*m,=*m,*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}, i32* %{{.*}}, i32* %{{.*}}, i32* %{{.*}}) nounwind
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}
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void t13() {
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char i = 1;
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short j = 2;
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__asm movzx eax, i
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__asm movzx eax, j
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// CHECK: t13
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// CHECK: call void asm sideeffect inteldialect "movzx eax, byte ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i8* %{{.*}}) nounwind
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// CHECK: call void asm sideeffect inteldialect "movzx eax, word ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i16* %{{.*}}) nounwind
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}
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void t14() {
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unsigned i = 1, j = 2;
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__asm {
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.if 1
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mov eax, i
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.else
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mov ebx, j
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.endif
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}
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// CHECK: t14
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// CHECK: call void asm sideeffect inteldialect ".if 1\0A\09mov eax, dword ptr $0\0A\09.else\0A\09mov ebx, j\0A\09.endif", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
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}
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void t15() {
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int var = 10;
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__asm mov eax, var ; eax = 10
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__asm mov eax, offset var ; eax = address of myvar
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// CHECK: t15
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// CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
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// CHECK: call void asm sideeffect inteldialect "mov eax, $0", "r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
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}
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void t16() {
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int var = 10;
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__asm mov [eax], offset var
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// CHECK: t16
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// CHECK: call void asm sideeffect inteldialect "mov [eax], $0", "r,~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}}) nounwind
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}
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void t17() {
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__asm _emit 0x4A
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__asm _emit 0x43
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__asm _emit 0x4B
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// CHECK: t17
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// CHECK: call void asm sideeffect inteldialect ".byte 0x4A", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect ".byte 0x43", "~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void asm sideeffect inteldialect ".byte 0x4B", "~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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struct t18_type { int a, b; };
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int t18() {
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struct t18_type foo;
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foo.a = 1;
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foo.b = 2;
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__asm {
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lea ebx, foo
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mov eax, [ebx].0
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mov [ebx].4, ecx
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}
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return foo.b;
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// CHECK: t18
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// CHECK: call void asm sideeffect inteldialect "lea ebx, foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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int t19() {
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struct t18_type foo;
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foo.a = 1;
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foo.b = 2;
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__asm {
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lea ebx, foo
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mov eax, [ebx].foo.a
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mov [ebx].foo.b, ecx
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}
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return foo.b;
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// CHECK: t19
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// CHECK: call void asm sideeffect inteldialect "lea ebx, foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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void t20() {
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int foo;
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__asm mov eax, TYPE foo
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// CHECK: t20
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// CHECK: call void asm sideeffect inteldialect "mov eax, $$4", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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void t21() {
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__asm {
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__asm push ebx
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__asm mov ebx, 0x07
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__asm pop ebx
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}
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// CHECK: t21
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// CHECK: call void asm sideeffect inteldialect "push ebx\0A\09mov ebx, $$0x07\0A\09pop ebx", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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extern void t22_helper(int x);
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void t22() {
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int x = 0;
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__asm {
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__asm push ebx
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__asm mov ebx, esp
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}
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t22_helper(x);
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__asm {
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__asm mov esp, ebx
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__asm pop ebx
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}
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// CHECK: t22
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// CHECK: call void asm sideeffect inteldialect "push ebx\0A\09mov ebx, esp", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind
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// CHECK: call void @t22_helper
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// CHECK: call void asm sideeffect inteldialect "mov esp, ebx\0A\09pop ebx", "~{ebx},~{esp},~{dirflag},~{fpsr},~{flags}"() nounwind
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}
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