Author: Weining Lu Date: 2022-10-11T19:21:28+08:00 New Revision: b32a1bdf42b0be59d02876874b6764b4700ee7d7
URL: https://github.com/llvm/llvm-project/commit/b32a1bdf42b0be59d02876874b6764b4700ee7d7 DIFF: https://github.com/llvm/llvm-project/commit/b32a1bdf42b0be59d02876874b6764b4700ee7d7.diff LOG: Revert "[clang][LoongArch] Set MaxAtomicInlineWidth and MaxAtomicPromoteWidth for LoongArch" This reverts commit 6547565e7bdcd9c3f683ad196b62d08c7061fdf1. This breaks test: Preprocessor/init-loongarch.c Added: Modified: clang/lib/Basic/Targets/LoongArch.h Removed: clang/test/CodeGen/LoongArch/atomics.c ################################################################################ diff --git a/clang/lib/Basic/Targets/LoongArch.h b/clang/lib/Basic/Targets/LoongArch.h index 6a735a7d8f833..5d711c6b1db4c 100644 --- a/clang/lib/Basic/Targets/LoongArch.h +++ b/clang/lib/Basic/Targets/LoongArch.h @@ -79,9 +79,6 @@ class LLVM_LIBRARY_VISIBILITY LoongArch32TargetInfo } return false; } - void setMaxAtomicWidth() override { - MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32; - } }; class LLVM_LIBRARY_VISIBILITY LoongArch64TargetInfo @@ -103,9 +100,6 @@ class LLVM_LIBRARY_VISIBILITY LoongArch64TargetInfo } return false; } - void setMaxAtomicWidth() override { - MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64; - } }; } // end namespace targets } // end namespace clang diff --git a/clang/test/CodeGen/LoongArch/atomics.c b/clang/test/CodeGen/LoongArch/atomics.c deleted file mode 100644 index edc58d30db186..0000000000000 --- a/clang/test/CodeGen/LoongArch/atomics.c +++ /dev/null @@ -1,45 +0,0 @@ -// RUN: %clang_cc1 -triple loongarch32 -O1 -emit-llvm %s -o - \ -// RUN: | FileCheck %s --check-prefix=LA32 -// RUN: %clang_cc1 -triple loongarch64 -O1 -emit-llvm %s -o - \ -// RUN: | FileCheck %s --check-prefix=LA64 - -/// This test demonstrates that MaxAtomicInlineWidth is set appropriately. - -#include <stdatomic.h> -#include <stdint.h> - -void test_i8_atomics(_Atomic(int8_t) * a, int8_t b) { - // LA32: load atomic i8, ptr %a seq_cst, align 1 - // LA32: store atomic i8 %b, ptr %a seq_cst, align 1 - // LA32: atomicrmw add ptr %a, i8 %b seq_cst - // LA64: load atomic i8, ptr %a seq_cst, align 1 - // LA64: store atomic i8 %b, ptr %a seq_cst, align 1 - // LA64: atomicrmw add ptr %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) { - // LA32: load atomic i32, ptr %a seq_cst, align 4 - // LA32: store atomic i32 %b, ptr %a seq_cst, align 4 - // LA32: atomicrmw add ptr %a, i32 %b seq_cst - // LA64: load atomic i32, ptr %a seq_cst, align 4 - // LA64: store atomic i32 %b, ptr %a seq_cst, align 4 - // LA64: atomicrmw add ptr %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) { - // LA32: call i64 @__atomic_load_8 - // LA32: call void @__atomic_store_8 - // LA32: call i64 @__atomic_fetch_add_8 - // LA64: load atomic i64, ptr %a seq_cst, align 8 - // LA64: store atomic i64 %b, ptr %a seq_cst, align 8 - // LA64: atomicrmw add ptr %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); -} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
