forked from OSchip/llvm-project
104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
// RUN: %clang_cc1 -triple arm64-unknown-linux -disable-O0-optnone -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-LINUX
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// RUN: %clang_cc1 -triple aarch64-windows -disable-O0-optnone -S -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-WIN
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#include <stdint.h>
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void f0(void *a, void *b) {
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__clear_cache(a,b);
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// CHECK: call {{.*}} @__clear_cache
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}
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void *tp (void) {
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return __builtin_thread_pointer ();
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// CHECK: call {{.*}} @llvm.thread.pointer()
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}
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// CHECK: call {{.*}} @llvm.bitreverse.i32(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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// CHECK-WIN: [[A64:%[^ ]+]] = zext i32 %a to i64
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// CHECK-WIN: call i64 @llvm.bitreverse.i64(i64 [[A64]])
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// CHECK-LINUX: call i64 @llvm.bitreverse.i64(i64 %a)
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unsigned long rbitl(unsigned long a) {
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return __builtin_arm_rbit64(a);
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}
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// CHECK: call {{.*}} @llvm.bitreverse.i64(i64 %a)
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uint64_t rbit64(uint64_t a) {
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return __builtin_arm_rbit64(a);
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}
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void hints() {
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__builtin_arm_nop(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 0)
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__builtin_arm_yield(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 1)
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__builtin_arm_wfe(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 2)
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__builtin_arm_wfi(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 3)
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__builtin_arm_sev(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 4)
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__builtin_arm_sevl(); //CHECK: call {{.*}} @llvm.aarch64.hint(i32 5)
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}
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void barriers() {
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__builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.aarch64.dmb(i32 1)
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__builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.aarch64.dsb(i32 2)
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__builtin_arm_isb(3); //CHECK: call {{.*}} @llvm.aarch64.isb(i32 3)
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}
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void prefetch() {
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__builtin_arm_prefetch(0, 1, 2, 0, 1); // pstl3keep
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// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 1, i32 1, i32 1)
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__builtin_arm_prefetch(0, 0, 0, 1, 1); // pldl1keep
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// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 0, i32 1)
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__builtin_arm_prefetch(0, 0, 0, 1, 1); // pldl1strm
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// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 0, i32 1)
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__builtin_arm_prefetch(0, 0, 0, 0, 0); // plil1keep
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// CHECK: call {{.*}} @llvm.prefetch(i8* null, i32 0, i32 3, i32 0)
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}
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__typeof__(__builtin_arm_rsr("1:2:3:4:5")) rsr(void);
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uint32_t rsr() {
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// CHECK: [[V0:[%A-Za-z0-9.]+]] = call i64 @llvm.read_register.i64(metadata ![[M0:[0-9]]])
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// CHECK-NEXT: trunc i64 [[V0]] to i32
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return __builtin_arm_rsr("1:2:3:4:5");
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}
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__typeof__(__builtin_arm_rsr64("1:2:3:4:5")) rsr64(void);
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uint64_t rsr64(void) {
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// CHECK: call i64 @llvm.read_register.i64(metadata ![[M0:[0-9]]])
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return __builtin_arm_rsr64("1:2:3:4:5");
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}
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void *rsrp() {
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// CHECK: [[V0:[%A-Za-z0-9.]+]] = call i64 @llvm.read_register.i64(metadata ![[M0:[0-9]]])
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// CHECK-NEXT: inttoptr i64 [[V0]] to i8*
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return __builtin_arm_rsrp("1:2:3:4:5");
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}
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__typeof__(__builtin_arm_wsr("1:2:3:4:5", 0)) wsr(unsigned);
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void wsr(unsigned v) {
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// CHECK: [[V0:[%A-Za-z0-9.]+]] = zext i32 %v to i64
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// CHECK-NEXT: call void @llvm.write_register.i64(metadata ![[M0:[0-9]]], i64 [[V0]])
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__builtin_arm_wsr("1:2:3:4:5", v);
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}
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__typeof__(__builtin_arm_wsr64("1:2:3:4:5", 0)) wsr64(uint64_t);
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void wsr64(uint64_t v) {
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// CHECK: call void @llvm.write_register.i64(metadata ![[M0:[0-9]]], i64 %v)
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__builtin_arm_wsr64("1:2:3:4:5", 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 i64
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// CHECK-NEXT: call void @llvm.write_register.i64(metadata ![[M0:[0-9]]], i64 [[V0]])
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__builtin_arm_wsrp("1:2:3:4:5", v);
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}
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// CHECK: ![[M0]] = !{!"1:2:3:4:5"}
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