diff options
Diffstat (limited to 'clang/test/CIR/CodeGen/builtin_prefetech.c')
| -rw-r--r-- | clang/test/CIR/CodeGen/builtin_prefetech.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/clang/test/CIR/CodeGen/builtin_prefetech.c b/clang/test/CIR/CodeGen/builtin_prefetech.c new file mode 100644 index 0000000..cfe85b9 --- /dev/null +++ b/clang/test/CIR/CodeGen/builtin_prefetech.c @@ -0,0 +1,43 @@ +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-cir %s -o - | FileCheck %s -check-prefix=CIR +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o - | FileCheck %s -check-prefix=LLVM +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o - | FileCheck %s -check-prefix=OGCG + +void foo(void *a) { + __builtin_prefetch(a); // rw=0, locality=3 + __builtin_prefetch(a, 0); // rw=0, locality=3 + __builtin_prefetch(a, 1); // rw=1, locality=3 + __builtin_prefetch(a, 1, 1); // rw=1, locality=1 +} + +// CIR-LABEL: cir.func dso_local @foo( +// CIR: %[[ALLOCA:.*]] = cir.alloca !cir.ptr<!void> +// CIR: cir.store %arg0, %[[ALLOCA]] : !cir.ptr<!void>, !cir.ptr<!cir.ptr<!void>> +// CIR: %[[P1:.*]] = cir.load{{.*}} %[[ALLOCA]] : !cir.ptr<!cir.ptr<!void>>, !cir.ptr<!void> +// CIR: cir.prefetch read locality(3) %[[P1]] : !cir.ptr<!void> +// CIR: %[[P2:.*]] = cir.load{{.*}} %[[ALLOCA]] : !cir.ptr<!cir.ptr<!void>>, !cir.ptr<!void> +// CIR: cir.prefetch read locality(3) %[[P2]] : !cir.ptr<!void> +// CIR: %[[P3:.*]] = cir.load{{.*}} %[[ALLOCA]] : !cir.ptr<!cir.ptr<!void>>, !cir.ptr<!void> +// CIR: cir.prefetch write locality(3) %[[P3]] : !cir.ptr<!void> +// CIR: %[[P4:.*]] = cir.load{{.*}} %[[ALLOCA]] : !cir.ptr<!cir.ptr<!void>>, !cir.ptr<!void> +// CIR: cir.prefetch write locality(1) %[[P4]] : !cir.ptr<!void> +// CIR: cir.return + +// LLVM-LABEL: define dso_local void @foo( +// LLVM: [[ALLOCA:%.*]] = alloca ptr, i64 1 +// LLVM: store ptr {{.*}}, ptr [[ALLOCA]] +// LLVM: [[LP1:%.*]] = load ptr, ptr [[ALLOCA]] +// LLVM: call void @llvm.prefetch.p0(ptr [[LP1]], i32 0, i32 3, i32 1) +// LLVM: [[LP2:%.*]] = load ptr, ptr [[ALLOCA]] +// LLVM: call void @llvm.prefetch.p0(ptr [[LP2]], i32 0, i32 3, i32 1) +// LLVM: [[LP3:%.*]] = load ptr, ptr [[ALLOCA]] +// LLVM: call void @llvm.prefetch.p0(ptr [[LP3]], i32 1, i32 3, i32 1) +// LLVM: [[LP4:%.*]] = load ptr, ptr [[ALLOCA]] +// LLVM: call void @llvm.prefetch.p0(ptr [[LP4]], i32 1, i32 1, i32 1) +// LLVM: ret void + +// OGCG-LABEL: define dso_local void @foo(ptr +// OGCG: call void @llvm.prefetch.p0(ptr {{.*}}, i32 0, i32 3, i32 1) +// OGCG: call void @llvm.prefetch.p0(ptr {{.*}}, i32 0, i32 3, i32 1) +// OGCG: call void @llvm.prefetch.p0(ptr {{.*}}, i32 1, i32 3, i32 1) +// OGCG: call void @llvm.prefetch.p0(ptr {{.*}}, i32 1, i32 1, i32 1) +// OGCG: ret void |