1 | // REQUIRES: arm-registered-target |
2 | // RUN: %clang_cc1 -triple armv6-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
3 | |
4 | void test0(void) { |
5 | asm volatile("mov r0, r0" :: ); |
6 | } |
7 | void test1(void) { |
8 | asm volatile("mov r0, r0" ::: |
9 | "cc", "memory" ); |
10 | } |
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 | } |
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. |
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}"() |
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}"() |
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 | |