1 // REQUIRES: arm-registered-target
2 // RUN: %clang_cc1 -triple armv6-unknown-unknown -emit-llvm -o - %s | FileCheck %s
3
test0(void)4 void test0(void) {
5 asm volatile("mov r0, r0" :: );
6 }
test1(void)7 void test1(void) {
8 asm volatile("mov r0, r0" :::
9 "cc", "memory" );
10 }
test2(void)11 void test2(void) {
12 asm volatile("mov r0, r0" :::
13 "r0", "r1", "r2", "r3");
14 asm volatile("mov r0, r0" :::
15 "r4", "r5", "r6", "r8");
16 }
test3(void)17 void test3(void) {
18 asm volatile("mov r0, r0" :::
19 "a1", "a2", "a3", "a4");
20 asm volatile("mov r0, r0" :::
21 "v1", "v2", "v3", "v5");
22 }
23
24
25 // {} should not be treated as asm variants.
test4(float * a,float * b)26 void test4(float *a, float *b) {
27 // CHECK: @test4
28 // CHECK: call void asm sideeffect "vld1.32 {d8[],d9[]},
29 __asm__ volatile (
30 "vld1.32 {d8[],d9[]}, [%1,:32] \n\t"
31 "vst1.32 {q4}, [%0,:128] \n\t"
32 :: "r"(a), "r"(b));
33 }
34
35 // {sp, lr, pc} are the canonical names for {r13, r14, r15}.
36 //
37 // CHECK: @test5
38 // CHECK: call void asm sideeffect "", "~{sp},~{lr},~{pc},~{sp},~{lr},~{pc}"()
test5()39 void test5() {
40 __asm__("" : : : "r13", "r14", "r15", "sp", "lr", "pc");
41 }
42
43 // CHECK: @test6
44 // CHECK: call void asm sideeffect "", "
45 // CHECK: ~{s0},~{s1},~{s2},~{s3},~{s4},~{s5},~{s6},~{s7},
46 // CHECK: ~{s8},~{s9},~{s10},~{s11},~{s12},~{s13},~{s14},~{s15},
47 // CHECK: ~{s16},~{s17},~{s18},~{s19},~{s20},~{s21},~{s22},~{s23},
48 // CHECK: ~{s24},~{s25},~{s26},~{s27},~{s28},~{s29},~{s30},~{s31}"()
test6()49 void test6() {
50 __asm__("" : : :
51 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
52 "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15",
53 "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23",
54 "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31");
55 }
56