derek.holloway
7502bf64a4
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185 lines
6.8 KiB
C++
185 lines
6.8 KiB
C++
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
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// RUN: FileCheck --check-prefix=CIR %s < %t.cir
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// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t-cir.ll
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// RUN: FileCheck --check-prefix=LLVM %s < %t-cir.ll
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// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll
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// RUN: FileCheck --check-prefix=OGCG %s < %t.ll
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int test_load(volatile int *ptr) {
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return *ptr;
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}
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// CIR: cir.func {{.*}} @_Z9test_loadPVi
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// CIR: cir.load volatile
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// LLVM: define {{.*}} i32 @_Z9test_loadPVi
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// LLVM: load volatile i32, ptr %{{.*}}
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// OGCG: define {{.*}} i32 @_Z9test_loadPVi
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// OGCG: load volatile i32, ptr %{{.*}}
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void test_store(volatile int *ptr) {
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*ptr = 42;
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}
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// CIR: cir.func {{.*}} @_Z10test_storePVi
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// CIR: cir.store volatile
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// LLVM: define {{.*}} void @_Z10test_storePVi
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// LLVM: store volatile i32 42, ptr %{{.*}}
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// OGCG: define {{.*}} void @_Z10test_storePVi
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// OGCG: store volatile i32 42, ptr %{{.*}}
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struct Foo {
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int x;
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volatile int y;
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volatile int z: 4;
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};
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int test_load_field1(volatile Foo *ptr) {
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return ptr->x;
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}
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// CIR: cir.func {{.*}} @_Z16test_load_field1PV3Foo
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member
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// CIR: %{{.+}} = cir.load volatile{{.*}} %[[MEMBER_ADDR]]
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// LLVM: define {{.*}} i32 @_Z16test_load_field1PV3Foo
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 0
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// LLVM: %{{.*}} = load volatile i32, ptr %[[MEMBER_ADDR]]
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// OGCG: define {{.*}} i32 @_Z16test_load_field1PV3Foo
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 0
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// OGCG: %{{.*}} = load volatile i32, ptr %[[MEMBER_ADDR]]
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int test_load_field2(Foo *ptr) {
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return ptr->y;
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}
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// CIR: cir.func {{.*}} @_Z16test_load_field2P3Foo
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member
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// CIR: %{{.+}} = cir.load volatile{{.*}} %[[MEMBER_ADDR]]
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// LLVM: define {{.*}} i32 @_Z16test_load_field2P3Foo
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 1
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// LLVM: %{{.*}} = load volatile i32, ptr %[[MEMBER_ADDR]]
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// OGCG: define {{.*}} i32 @_Z16test_load_field2P3Foo
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 1
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// OGCG: %{{.*}} = load volatile i32, ptr %[[MEMBER_ADDR]]
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int test_load_field3(Foo *ptr) {
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return ptr->z;
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}
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// CIR: cir.func {{.*}} @_Z16test_load_field3P3Foo
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member
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// CIR: %{{.*}} = cir.get_bitfield align(4) (#bfi_z, %[[MEMBER_ADDR:.+]] {is_volatile} : !cir.ptr<!u8i>) -> !s32i
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// LLVM: define {{.*}} i32 @_Z16test_load_field3P3Foo
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 2
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// LLVM: %[[TMP1:.*]] = load volatile i8, ptr %[[MEMBER_ADDR]]
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// LLVM: %[[TMP2:.*]] = shl i8 %[[TMP1]], 4
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// LLVM: %[[TMP3:.*]] = ashr i8 %[[TMP2]], 4
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// LLVM: %{{.*}} = sext i8 %[[TMP3]] to i32
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// OGCG: define {{.*}} i32 @_Z16test_load_field3P3Foo
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 2
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// OGCG: %[[TMP1:.*]] = load volatile i8, ptr %[[MEMBER_ADDR]]
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// OGCG: %[[TMP2:.*]] = shl i8 %[[TMP1]], 4
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// OGCG: %[[TMP3:.*]] = ashr i8 %[[TMP2]], 4
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// OGCG: %{{.*}} = sext i8 %[[TMP3]] to i32
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void test_store_field1(volatile Foo *ptr) {
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ptr->x = 42;
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}
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// CIR: cir.func {{.*}} @_Z17test_store_field1PV3Foo
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member
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// CIR: cir.store volatile{{.*}} %{{.+}}, %[[MEMBER_ADDR]]
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// LLVM: define {{.*}} void @_Z17test_store_field1PV3Foo
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 0
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// LLVM: store volatile i32 42, ptr %[[MEMBER_ADDR]]
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// OGCG: define {{.*}} void @_Z17test_store_field1PV3Foo
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 0
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// OGCG: store volatile i32 42, ptr %[[MEMBER_ADDR]]
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void test_store_field2(Foo *ptr) {
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ptr->y = 42;
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}
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// CIR: cir.func {{.*}} @_Z17test_store_field2P3Foo
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member
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// CIR: cir.store volatile{{.*}} %{{.+}}, %[[MEMBER_ADDR]]
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// LLVM: define {{.*}} void @_Z17test_store_field2P3Foo
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 1
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// LLVM: store volatile i32 42, ptr %[[MEMBER_ADDR]]
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// OGCG: define {{.*}} void @_Z17test_store_field2P3Foo
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 1
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// OGCG: store volatile i32 42, ptr %[[MEMBER_ADDR]]
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void test_store_field3(Foo *ptr) {
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ptr->z = 4;
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}
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// CIR: cir.func {{.*}} @_Z17test_store_field3P3Foo
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member
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// CIR: cir.set_bitfield align(4) (#bfi_z, %[[MEMBER_ADDR:.+]] : !cir.ptr<!u8i>, %1 : !s32i) {is_volatile}
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// LLVM: define {{.*}} void @_Z17test_store_field3P3Foo
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 2
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// LLVM: %[[TMP1:.*]] = load volatile i8, ptr %[[MEMBER_ADDR]]
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// LLVM: %[[TMP2:.*]] = and i8 %[[TMP1]], -16
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// LLVM: %[[TMP3:.*]] = or i8 %[[TMP2]], 4
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// LLVM: store volatile i8 %[[TMP3]], ptr %[[MEMBER_ADDR]]
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// OGCG: define {{.*}} void @_Z17test_store_field3P3Foo
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.Foo, ptr %{{.*}}, i32 0, i32 2
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// OGCG: %[[TMP1:.*]] = load volatile i8, ptr %[[MEMBER_ADDR]]
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// OGCG: %[[TMP2:.*]] = and i8 %[[TMP1]], -16
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// OGCG: %[[TMP3:.*]] = or i8 %[[TMP2]], 4
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// OGCG: store volatile i8 %[[TMP3]], ptr %[[MEMBER_ADDR]]
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struct A {
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int x;
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void set_x(int val) volatile;
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int get_x() volatile;
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};
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void A::set_x(int val) volatile {
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x = val;
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}
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// CIR: cir.func {{.*}} @_ZNV1A5set_xEi
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member %{{.*}}[0] {name = "x"}
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// CIR: cir.store volatile {{.*}} %{{.*}}, %[[MEMBER_ADDR]]
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// LLVM: define {{.*}} void @_ZNV1A5set_xEi
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.A, ptr %{{.*}}, i32 0, i32 0
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// LLVM: store volatile i32 %{{.*}}, ptr %[[MEMBER_ADDR]]
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// OGCG: define {{.*}} void @_ZNV1A5set_xEi
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.A, ptr %{{.*}}, i32 0, i32 0
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// OGCG: store volatile i32 %{{.*}}, ptr %[[MEMBER_ADDR]]
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int A::get_x() volatile {
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return x;
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}
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// CIR: cir.func {{.*}} @_ZNV1A5get_xEv
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// CIR: %[[MEMBER_ADDR:.*]] = cir.get_member %{{.*}}[0] {name = "x"}
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// CIR: cir.load volatile {{.*}} %[[MEMBER_ADDR]]
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// LLVM: define {{.*}} i32 @_ZNV1A5get_xEv
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// LLVM: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.A, ptr %{{.*}}, i32 0, i32 0
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// LLVM: %{{.*}} = load volatile i32, ptr %[[MEMBER_ADDR]]
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// OGCG: define {{.*}} i32 @_ZNV1A5get_xEv
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// OGCG: %[[MEMBER_ADDR:.*]] = getelementptr inbounds nuw %struct.A, ptr %{{.*}}, i32 0, i32 0
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// OGCG: %{{.*}} = load volatile i32, ptr %[[MEMBER_ADDR]]
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