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