46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
// RUN: %clang_cc1 -triple loongarch32 -O1 -emit-llvm %s -o - \
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// RUN: | FileCheck %s --check-prefix=LA32
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// RUN: %clang_cc1 -triple loongarch64 -O1 -emit-llvm %s -o - \
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// RUN: | FileCheck %s --check-prefix=LA64
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/// This test demonstrates that MaxAtomicInlineWidth is set appropriately.
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#include <stdatomic.h>
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#include <stdint.h>
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void test_i8_atomics(_Atomic(int8_t) * a, int8_t b) {
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// LA32: load atomic i8, ptr %a seq_cst, align 1
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// LA32: store atomic i8 %b, ptr %a seq_cst, align 1
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// LA32: atomicrmw add ptr %a, i8 %b seq_cst
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// LA64: load atomic i8, ptr %a seq_cst, align 1
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// LA64: store atomic i8 %b, ptr %a seq_cst, align 1
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// LA64: atomicrmw add ptr %a, i8 %b seq_cst
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__c11_atomic_load(a, memory_order_seq_cst);
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__c11_atomic_store(a, b, memory_order_seq_cst);
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__c11_atomic_fetch_add(a, b, memory_order_seq_cst);
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}
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void test_i32_atomics(_Atomic(int32_t) * a, int32_t b) {
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// LA32: load atomic i32, ptr %a seq_cst, align 4
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// LA32: store atomic i32 %b, ptr %a seq_cst, align 4
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// LA32: atomicrmw add ptr %a, i32 %b seq_cst
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// LA64: load atomic i32, ptr %a seq_cst, align 4
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// LA64: store atomic i32 %b, ptr %a seq_cst, align 4
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// LA64: atomicrmw add ptr %a, i32 %b seq_cst
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__c11_atomic_load(a, memory_order_seq_cst);
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__c11_atomic_store(a, b, memory_order_seq_cst);
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__c11_atomic_fetch_add(a, b, memory_order_seq_cst);
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}
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void test_i64_atomics(_Atomic(int64_t) * a, int64_t b) {
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// LA32: call i64 @__atomic_load_8
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// LA32: call void @__atomic_store_8
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// LA32: call i64 @__atomic_fetch_add_8
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// LA64: load atomic i64, ptr %a seq_cst, align 8
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// LA64: store atomic i64 %b, ptr %a seq_cst, align 8
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// LA64: atomicrmw add ptr %a, i64 %b seq_cst
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__c11_atomic_load(a, memory_order_seq_cst);
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__c11_atomic_store(a, b, memory_order_seq_cst);
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__c11_atomic_fetch_add(a, b, memory_order_seq_cst);
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}
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