| // RUN: %clang_cc1 -triple riscv32 -O1 -emit-llvm %s -o - \ |
| // RUN: | FileCheck %s -check-prefix=RV32I |
| // RUN: %clang_cc1 -triple riscv32 -target-feature +a -O1 -emit-llvm %s -o - \ |
| // RUN: | FileCheck %s -check-prefix=RV32IA |
| // RUN: %clang_cc1 -triple riscv64 -O1 -emit-llvm %s -o - \ |
| // RUN: | FileCheck %s -check-prefix=RV64I |
| // RUN: %clang_cc1 -triple riscv64 -target-feature +a -O1 -emit-llvm %s -o - \ |
| // RUN: | FileCheck %s -check-prefix=RV64IA |
| |
| // This test demonstrates that MaxAtomicInlineWidth is set appropriately when |
| // the atomics instruction set extension is enabled. |
| |
| #include <stdatomic.h> |
| #include <stdint.h> |
| |
| void test_i8_atomics(_Atomic(int8_t) * a, int8_t b) { |
| // RV32I: call zeroext i8 @__atomic_load_1 |
| // RV32I: call void @__atomic_store_1 |
| // RV32I: call zeroext i8 @__atomic_fetch_add_1 |
| // RV32IA: load atomic i8, i8* %a seq_cst, align 1 |
| // RV32IA: store atomic i8 %b, i8* %a seq_cst, align 1 |
| // RV32IA: atomicrmw add i8* %a, i8 %b seq_cst |
| // RV64I: call zeroext i8 @__atomic_load_1 |
| // RV64I: call void @__atomic_store_1 |
| // RV64I: call zeroext i8 @__atomic_fetch_add_1 |
| // RV64IA: load atomic i8, i8* %a seq_cst, align 1 |
| // RV64IA: store atomic i8 %b, i8* %a seq_cst, align 1 |
| // RV64IA: atomicrmw add i8* %a, i8 %b seq_cst |
| __c11_atomic_load(a, memory_order_seq_cst); |
| __c11_atomic_store(a, b, memory_order_seq_cst); |
| __c11_atomic_fetch_add(a, b, memory_order_seq_cst); |
| } |
| |
| void test_i32_atomics(_Atomic(int32_t) * a, int32_t b) { |
| // RV32I: call i32 @__atomic_load_4 |
| // RV32I: call void @__atomic_store_4 |
| // RV32I: call i32 @__atomic_fetch_add_4 |
| // RV32IA: load atomic i32, i32* %a seq_cst, align 4 |
| // RV32IA: store atomic i32 %b, i32* %a seq_cst, align 4 |
| // RV32IA: atomicrmw add i32* %a, i32 %b seq_cst |
| // RV64I: call signext i32 @__atomic_load_4 |
| // RV64I: call void @__atomic_store_4 |
| // RV64I: call signext i32 @__atomic_fetch_add_4 |
| // RV64IA: load atomic i32, i32* %a seq_cst, align 4 |
| // RV64IA: store atomic i32 %b, i32* %a seq_cst, align 4 |
| // RV64IA: atomicrmw add i32* %a, i32 %b seq_cst |
| __c11_atomic_load(a, memory_order_seq_cst); |
| __c11_atomic_store(a, b, memory_order_seq_cst); |
| __c11_atomic_fetch_add(a, b, memory_order_seq_cst); |
| } |
| |
| void test_i64_atomics(_Atomic(int64_t) * a, int64_t b) { |
| // RV32I: call i64 @__atomic_load_8 |
| // RV32I: call void @__atomic_store_8 |
| // RV32I: call i64 @__atomic_fetch_add_8 |
| // RV32IA: call i64 @__atomic_load_8 |
| // RV32IA: call void @__atomic_store_8 |
| // RV32IA: call i64 @__atomic_fetch_add_8 |
| // RV64I: call i64 @__atomic_load_8 |
| // RV64I: call void @__atomic_store_8 |
| // RV64I: call i64 @__atomic_fetch_add_8 |
| // RV64IA: load atomic i64, i64* %a seq_cst, align 8 |
| // RV64IA: store atomic i64 %b, i64* %a seq_cst, align 8 |
| // RV64IA: atomicrmw add i64* %a, i64 %b seq_cst |
| __c11_atomic_load(a, memory_order_seq_cst); |
| __c11_atomic_store(a, b, memory_order_seq_cst); |
| __c11_atomic_fetch_add(a, b, memory_order_seq_cst); |
| } |
