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Diffstat (limited to 'clang/test/CodeGen/asm_arm.c')
| -rw-r--r-- | clang/test/CodeGen/asm_arm.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/clang/test/CodeGen/asm_arm.c b/clang/test/CodeGen/asm_arm.c new file mode 100644 index 0000000..633bf55 --- /dev/null +++ b/clang/test/CodeGen/asm_arm.c @@ -0,0 +1,54 @@ +// 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"); +} |