forked from OSchip/llvm-project
115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -O0 -fms-extensions -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 "", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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// CHECK: call void asm sideeffect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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// CHECK: call void asm sideeffect "nop", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "nop\0Anop\0Anop", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "mov ebx, eax", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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// CHECK: call void asm sideeffect "mov ecx, ebx", "~{ecx},~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "mov ebx, eax\0Amov ecx, ebx", "~{ebx},~{ecx},~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "int 0x2c", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "int 0x2c", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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// CHECK: call void asm sideeffect "", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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}
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int t8() {
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__asm int 3 ; } 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 "int 3", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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// CHECK: call void asm sideeffect "", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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// CHECK: call void asm sideeffect "int 4", "~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "push ebx\0Amov ebx, 0x07\0Apop ebx", "~{ebx},~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 "mov eax, i\0Amov j, eax", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind ia_nsdialect
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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 EVEN
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__asm ALIGN
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}
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void t12(void) {
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__asm {
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_emit 0x4A
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_emit 0x43
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_emit 0x4B
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}
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}
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void t13(void) {
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unsigned arr[10];
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__asm LENGTH arr ; sizeof(arr)/sizeof(arr[0])
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__asm SIZE arr ; sizeof(arr)
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__asm TYPE arr ; sizeof(arr[0])
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}
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