| // REQUIRES: arm-registered-target |
| // RUN: %clang_cc1 -triple armv6-unknown-unknown -emit-llvm -o - %s | FileCheck %s |
| |
| void test0(void) { |
| asm volatile("mov r0, r0" :: ); |
| } |
| void test1(void) { |
| asm volatile("mov r0, r0" ::: |
| "cc", "memory" ); |
| } |
| void test2(void) { |
| asm volatile("mov r0, r0" ::: |
| "r0", "r1", "r2", "r3"); |
| asm volatile("mov r0, r0" ::: |
| "r4", "r5", "r6", "r8"); |
| } |
| void test3(void) { |
| asm volatile("mov r0, r0" ::: |
| "a1", "a2", "a3", "a4"); |
| asm volatile("mov r0, r0" ::: |
| "v1", "v2", "v3", "v5"); |
| } |
| |
| |
| // {} should not be treated as asm variants. |
| void test4(float *a, float *b) { |
| // CHECK: @test4 |
| // CHECK: call void asm sideeffect "vld1.32 {d8[],d9[]}, |
| __asm__ volatile ( |
| "vld1.32 {d8[],d9[]}, [%1,:32] \n\t" |
| "vst1.32 {q4}, [%0,:128] \n\t" |
| :: "r"(a), "r"(b)); |
| } |
| |
| // {sp, lr, pc} are the canonical names for {r13, r14, r15}. |
| // |
| // CHECK: @test5 |
| // CHECK: call void asm sideeffect "", "~{sp},~{lr},~{pc},~{sp},~{lr},~{pc}"() |
| void test5() { |
| __asm__("" : : : "r13", "r14", "r15", "sp", "lr", "pc"); |
| } |
| |
| // CHECK: @test6 |
| // CHECK: call void asm sideeffect "", " |
| // CHECK: ~{s0},~{s1},~{s2},~{s3},~{s4},~{s5},~{s6},~{s7}, |
| // CHECK: ~{s8},~{s9},~{s10},~{s11},~{s12},~{s13},~{s14},~{s15}, |
| // CHECK: ~{s16},~{s17},~{s18},~{s19},~{s20},~{s21},~{s22},~{s23}, |
| // CHECK: ~{s24},~{s25},~{s26},~{s27},~{s28},~{s29},~{s30},~{s31}"() |
| void test6() { |
| __asm__("" : : : |
| "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
| "s8", "s9", "s10", "s11", "s12", "s13", "s14", "s15", |
| "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", |
| "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31"); |
| } |