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247 lines
6.2 KiB
247 lines
6.2 KiB
// RUN: %clang_cc1 -Wall -Werror -triple thumbv7-eabi -target-cpu cortex-a8 -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s
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#include <stdint.h>
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void *f0()
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{
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return __builtin_thread_pointer();
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}
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void f1(char *a, char *b) {
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__clear_cache(a,b);
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}
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// CHECK: call {{.*}} @__clear_cache
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void test_eh_return_data_regno()
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{
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volatile int res;
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res = __builtin_eh_return_data_regno(0); // CHECK: store volatile i32 0
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res = __builtin_eh_return_data_regno(1); // CHECK: store volatile i32 1
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}
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void nop() {
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__builtin_arm_nop();
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}
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// CHECK: call {{.*}} @llvm.arm.hint(i32 0)
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void yield() {
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__builtin_arm_yield();
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}
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// CHECK: call {{.*}} @llvm.arm.hint(i32 1)
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void wfe() {
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__builtin_arm_wfe();
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}
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// CHECK: call {{.*}} @llvm.arm.hint(i32 2)
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void wfi() {
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__builtin_arm_wfi();
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}
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// CHECK: call {{.*}} @llvm.arm.hint(i32 3)
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void sev() {
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__builtin_arm_sev();
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}
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// CHECK: call {{.*}} @llvm.arm.hint(i32 4)
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void sevl() {
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__builtin_arm_sevl();
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}
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// CHECK: call {{.*}} @llvm.arm.hint(i32 5)
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void dbg() {
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__builtin_arm_dbg(0);
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}
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// CHECK: call {{.*}} @llvm.arm.dbg(i32 0)
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void test_barrier() {
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__builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.arm.dmb(i32 1)
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__builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.arm.dsb(i32 2)
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__builtin_arm_isb(3); //CHECK: call {{.*}} @llvm.arm.isb(i32 3)
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}
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// CHECK: call {{.*}} @llvm.arm.rbit(i32 %a)
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unsigned rbit(unsigned a) {
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return __builtin_arm_rbit(a);
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}
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void prefetch(int i) {
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__builtin_arm_prefetch(&i, 0, 1);
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// CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 0, i32 3, i32 1)
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__builtin_arm_prefetch(&i, 1, 1);
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// CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 1)
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__builtin_arm_prefetch(&i, 1, 0);
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// CHECK: call {{.*}} @llvm.prefetch(i8* %{{.*}}, i32 1, i32 3, i32 0)
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}
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void ldc(const void *i) {
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// CHECK: define void @ldc(i8* %i)
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// CHECK: call void @llvm.arm.ldc(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_ldc(1, 2, i);
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}
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void ldcl(const void *i) {
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// CHECK: define void @ldcl(i8* %i)
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// CHECK: call void @llvm.arm.ldcl(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_ldcl(1, 2, i);
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}
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void ldc2(const void *i) {
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// CHECK: define void @ldc2(i8* %i)
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// CHECK: call void @llvm.arm.ldc2(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_ldc2(1, 2, i);
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}
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void ldc2l(const void *i) {
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// CHECK: define void @ldc2l(i8* %i)
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// CHECK: call void @llvm.arm.ldc2l(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_ldc2l(1, 2, i);
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}
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void stc(void *i) {
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// CHECK: define void @stc(i8* %i)
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// CHECK: call void @llvm.arm.stc(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_stc(1, 2, i);
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}
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void stcl(void *i) {
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// CHECK: define void @stcl(i8* %i)
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// CHECK: call void @llvm.arm.stcl(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_stcl(1, 2, i);
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}
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void stc2(void *i) {
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// CHECK: define void @stc2(i8* %i)
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// CHECK: call void @llvm.arm.stc2(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_stc2(1, 2, i);
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}
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void stc2l(void *i) {
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// CHECK: define void @stc2l(i8* %i)
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// CHECK: call void @llvm.arm.stc2l(i32 1, i32 2, i8* %i)
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// CHECK-NEXT: ret void
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__builtin_arm_stc2l(1, 2, i);
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}
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void cdp() {
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// CHECK: define void @cdp()
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// CHECK: call void @llvm.arm.cdp(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6)
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// CHECK-NEXT: ret void
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__builtin_arm_cdp(1, 2, 3, 4, 5, 6);
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}
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void cdp2() {
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// CHECK: define void @cdp2()
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// CHECK: call void @llvm.arm.cdp2(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6)
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// CHECK-NEXT: ret void
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__builtin_arm_cdp2(1, 2, 3, 4, 5, 6);
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}
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unsigned mrc() {
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// CHECK: define i32 @mrc()
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// CHECK: [[R:%.*]] = call i32 @llvm.arm.mrc(i32 15, i32 0, i32 13, i32 0, i32 3)
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// CHECK-NEXT: ret i32 [[R]]
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return __builtin_arm_mrc(15, 0, 13, 0, 3);
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}
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unsigned mrc2() {
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// CHECK: define i32 @mrc2()
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// CHECK: [[R:%.*]] = call i32 @llvm.arm.mrc2(i32 15, i32 0, i32 13, i32 0, i32 3)
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// CHECK-NEXT: ret i32 [[R]]
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return __builtin_arm_mrc2(15, 0, 13, 0, 3);
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}
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void mcr(unsigned a) {
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// CHECK: define void @mcr(i32 [[A:%.*]])
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// CHECK: call void @llvm.arm.mcr(i32 15, i32 0, i32 [[A]], i32 13, i32 0, i32 3)
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__builtin_arm_mcr(15, 0, a, 13, 0, 3);
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}
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void mcr2(unsigned a) {
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// CHECK: define void @mcr2(i32 [[A:%.*]])
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// CHECK: call void @llvm.arm.mcr2(i32 15, i32 0, i32 [[A]], i32 13, i32 0, i32 3)
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__builtin_arm_mcr2(15, 0, a, 13, 0, 3);
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}
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void mcrr(uint64_t a) {
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// CHECK: define void @mcrr(i64 %{{.*}})
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// CHECK: call void @llvm.arm.mcrr(i32 15, i32 0, i32 %{{[0-9]+}}, i32 %{{[0-9]+}}, i32 0)
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__builtin_arm_mcrr(15, 0, a, 0);
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}
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void mcrr2(uint64_t a) {
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// CHECK: define void @mcrr2(i64 %{{.*}})
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// CHECK: call void @llvm.arm.mcrr2(i32 15, i32 0, i32 %{{[0-9]+}}, i32 %{{[0-9]+}}, i32 0)
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__builtin_arm_mcrr2(15, 0, a, 0);
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}
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uint64_t mrrc() {
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// CHECK: define i64 @mrrc()
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// CHECK: call { i32, i32 } @llvm.arm.mrrc(i32 15, i32 0, i32 0)
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return __builtin_arm_mrrc(15, 0, 0);
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}
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uint64_t mrrc2() {
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// CHECK: define i64 @mrrc2()
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// CHECK: call { i32, i32 } @llvm.arm.mrrc2(i32 15, i32 0, i32 0)
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return __builtin_arm_mrrc2(15, 0, 0);
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}
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unsigned rsr() {
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// CHECK: [[V0:[%A-Za-z0-9.]+]] = call i32 @llvm.read_register.i32(metadata ![[M0:.*]])
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// CHECK-NEXT: ret i32 [[V0]]
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return __builtin_arm_rsr("cp1:2:c3:c4:5");
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}
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unsigned long long rsr64() {
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// CHECK: [[V0:[%A-Za-z0-9.]+]] = call i64 @llvm.read_register.i64(metadata ![[M1:.*]])
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// CHECK-NEXT: ret i64 [[V0]]
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return __builtin_arm_rsr64("cp1:2:c3");
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}
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void *rsrp() {
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// CHECK: [[V0:[%A-Za-z0-9.]+]] = call i32 @llvm.read_register.i32(metadata ![[M2:.*]])
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// CHECK-NEXT: [[V1:[%A-Za-z0-9.]+]] = inttoptr i32 [[V0]] to i8*
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// CHECK-NEXT: ret i8* [[V1]]
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return __builtin_arm_rsrp("sysreg");
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}
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void wsr(unsigned v) {
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// CHECK: call void @llvm.write_register.i32(metadata ![[M0]], i32 %v)
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__builtin_arm_wsr("cp1:2:c3:c4:5", v);
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}
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void wsr64(unsigned long long v) {
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// CHECK: call void @llvm.write_register.i64(metadata ![[M1]], i64 %v)
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__builtin_arm_wsr64("cp1:2:c3", v);
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}
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void wsrp(void *v) {
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// CHECK: [[V0:[%A-Za-z0-9.]+]] = ptrtoint i8* %v to i32
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// CHECK-NEXT: call void @llvm.write_register.i32(metadata ![[M2]], i32 [[V0]])
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__builtin_arm_wsrp("sysreg", v);
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}
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// CHECK: ![[M0]] = !{!"cp1:2:c3:c4:5"}
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// CHECK: ![[M1]] = !{!"cp1:2:c3"}
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// CHECK: ![[M2]] = !{!"sysreg"}
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