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TheRock/compiler/amd-llvm/clang/test/CIR/CodeGen/basic.cpp
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derek.holloway 7502bf64a4
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7.2 KiB
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// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o - 2>&1 | FileCheck %s
enum A {
A_one,
A_two
};
enum A a;
// CHECK: cir.global external @a = #cir.int<0> : !u32i
enum B : int;
enum B b;
// CHECK: cir.global external @b = #cir.int<0> : !s32i
enum C : int {
C_one,
C_two
};
enum C c;
// CHECK: cir.global external @c = #cir.int<0> : !s32i
enum class D : int;
enum D d;
// CHECK: cir.global external @d = #cir.int<0> : !s32i
int f1() {
int i;
return i;
}
// CHECK: cir.func{{.*}} @_Z2f1v() -> (!s32i {{.*}})
// CHECK: %[[RV:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["__retval"] {alignment = 4 : i64}
// CHECK: %[[I_PTR:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["i"] {alignment = 4 : i64}
// CHECK: %[[I:.*]] = cir.load{{.*}} %[[I_PTR]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.store{{.*}} %[[I]], %[[RV]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[R:.*]] = cir.load{{.*}} %[[RV]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.return %[[R]] : !s32i
int f2() {
const int i = 2;
return i;
}
// CHECK: cir.func{{.*}} @_Z2f2v() -> (!s32i {{.*}})
// CHECK: %[[RV:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["__retval"] {alignment = 4 : i64}
// CHECK: %[[I_PTR:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["i", init, const] {alignment = 4 : i64}
// CHECK: %[[TWO:.*]] = cir.const #cir.int<2> : !s32i
// CHECK: cir.store{{.*}} %[[TWO]], %[[I_PTR]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[I:.*]] = cir.load{{.*}} %[[I_PTR]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.store{{.*}} %[[I]], %[[RV]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[R:.*]] = cir.load{{.*}} %[[RV]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.return %[[R]] : !s32i
int f3(int i) {
return i;
}
// CHECK: cir.func{{.*}} @_Z2f3i(%[[ARG:.*]]: !s32i {{.*}} loc({{.*}})) -> (!s32i {{.*}})
// CHECK: %[[ARG_ALLOCA:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["i", init] {alignment = 4 : i64}
// CHECK: %[[RV:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["__retval"] {alignment = 4 : i64}
// CHECK: cir.store{{.*}} %[[ARG]], %[[ARG_ALLOCA]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[ARG_VAL:.*]] = cir.load{{.*}} %[[ARG_ALLOCA]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.store{{.*}} %[[ARG_VAL]], %[[RV]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[R:.*]] = cir.load{{.*}} %[[RV]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.return %[[R]] : !s32i
int f4(const int i) {
return i;
}
// CHECK: cir.func{{.*}} @_Z2f4i(%[[ARG:.*]]: !s32i {{.*}} loc({{.*}})) -> (!s32i {{.*}})
// CHECK: %[[ARG_ALLOCA:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["i", init, const] {alignment = 4 : i64}
// CHECK: %[[RV:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["__retval"] {alignment = 4 : i64}
// CHECK: cir.store{{.*}} %[[ARG]], %[[ARG_ALLOCA]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[ARG_VAL:.*]] = cir.load{{.*}} %[[ARG_ALLOCA]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.store{{.*}} %[[ARG_VAL]], %[[RV]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[R:.*]] = cir.load{{.*}} %[[RV]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.return %[[R]] : !s32i
int *f5() {
int *p = nullptr;
{
int x = 0;
p = &x;
*p = 42;
}
*p = 43;
return p;
}
// CHECK: cir.func{{.*}} @_Z2f5v() -> (!cir.ptr<!s32i> {{.*}})
// CHECK-NEXT: %[[RET_ADDR:.*]] = cir.alloca !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>, ["__retval"] {alignment = 8 : i64}
// CHECK-NEXT: %[[P_ADDR:.*]] = cir.alloca !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>, ["p", init] {alignment = 8 : i64}
// CHECK-NEXT: %[[NULLPTR:.*]] = cir.const #cir.ptr<null> : !cir.ptr<!s32i>
// CHECK-NEXT: cir.store{{.*}} %[[NULLPTR]], %[[P_ADDR]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>
// CHECK-NEXT: cir.scope {
// CHECK-NEXT: %[[X_ADDR:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["x", init] {alignment = 4 : i64}
// CHECK-NEXT: %[[ZERO:.*]] = cir.const #cir.int<0> : !s32i
// CHECK-NEXT: cir.store{{.*}} %[[ZERO]], %[[X_ADDR]] : !s32i, !cir.ptr<!s32i>
// CHECK-NEXT: cir.store{{.*}} %[[X_ADDR]], %[[P_ADDR]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>
// CHECK-NEXT: %[[FOURTYTWO:.*]] = cir.const #cir.int<42> : !s32i
// CHECK-NEXT: %[[P:.*]] = cir.load deref{{.*}} %[[P_ADDR]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CHECK-NEXT: cir.store{{.*}} %[[FOURTYTWO]], %[[P]] : !s32i, !cir.ptr<!s32i>
// CHECK-NEXT: }
// CHECK-NEXT: %[[FOURTYTHREE:.*]] = cir.const #cir.int<43> : !s32i
// CHECK-NEXT: %[[P:.*]] = cir.load deref{{.*}} %[[P_ADDR]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CHECK-NEXT: cir.store{{.*}} %[[FOURTYTHREE]], %[[P]] : !s32i, !cir.ptr<!s32i>
// CHECK-NEXT: %[[P:.*]] = cir.load{{.*}} %[[P_ADDR]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CHECK-NEXT: cir.store{{.*}} %[[P]], %[[RET_ADDR]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>
// CHECK-NEXT: %[[RET_VAL:.*]] = cir.load{{.*}} %[[RET_ADDR]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CHECK-NEXT: cir.return %[[RET_VAL]] : !cir.ptr<!s32i>
using size_type = unsigned long;
using _Tp = unsigned long;
size_type max_size() {
return size_type(~0) / sizeof(_Tp);
}
// CHECK: cir.func{{.*}} @_Z8max_sizev() -> (!u64i {{.*}})
// CHECK: %[[NOT_ZERO:.*]] = cir.const #cir.int<18446744073709551615> : !u64i
// CHECK: %[[SIZE_OF_TP:.*]] = cir.const #cir.int<8> : !u64i
// CHECK: %[[RESULT:.*]] = cir.div %[[NOT_ZERO]], %[[SIZE_OF_TP]] : !u64i
void ref_arg(int &x) {
int y = x;
x = 3;
}
// CHECK: cir.func{{.*}} @_Z7ref_argRi(%[[ARG:.*]]: !cir.ptr<!s32i> {{.*}})
// CHECK: %[[X_REF_ADDR:.*]] = cir.alloca !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>, ["x", init, const] {alignment = 8 : i64}
// CHECK: %[[Y_ADDR:.*]] = cir.alloca !s32i, !cir.ptr<!s32i>, ["y", init] {alignment = 4 : i64}
// CHECK: cir.store{{.*}} %[[ARG]], %[[X_REF_ADDR]] : !cir.ptr<!s32i>, !cir.ptr<!cir.ptr<!s32i>>
// CHECK: %[[X_REF:.*]] = cir.load{{.*}} %[[X_REF_ADDR]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CHECK: %[[Y:.*]] = cir.load{{.*}} %[[X_REF]] : !cir.ptr<!s32i>, !s32i
// CHECK: cir.store{{.*}} %[[Y]], %[[Y_ADDR]] : !s32i, !cir.ptr<!s32i>
// CHECK: %[[THREE:.*]] = cir.const #cir.int<3> : !s32i
// CHECK: %[[X_REF:.*]] = cir.load{{.*}} %[[X_REF_ADDR]] : !cir.ptr<!cir.ptr<!s32i>>, !cir.ptr<!s32i>
// CHECK: cir.store{{.*}} %[[THREE]], %[[X_REF]] : !s32i, !cir.ptr<!s32i>
// CHECK: cir.return
short gs;
short &return_ref() {
return gs;
}
// CHECK: cir.func{{.*}} @_Z10return_refv() -> (!cir.ptr<!s16i> {{.*}})
// CHECK: %[[RETVAL_ADDR:.*]] = cir.alloca !cir.ptr<!s16i>, !cir.ptr<!cir.ptr<!s16i>>, ["__retval"] {alignment = 8 : i64}
// CHECK: %[[GS_ADDR:.*]] = cir.get_global @gs : !cir.ptr<!s16i>
// CHECK: cir.store{{.*}} %[[GS_ADDR]], %[[RETVAL_ADDR]] : !cir.ptr<!s16i>, !cir.ptr<!cir.ptr<!s16i>>
// CHECK: %[[RETVAL:.*]] = cir.load{{.*}} %[[RETVAL_ADDR]] : !cir.ptr<!cir.ptr<!s16i>>, !cir.ptr<!s16i>
// CHECK: cir.return %[[RETVAL]] : !cir.ptr<!s16i>
void ref_local(short x) {
short &y = x;
}
// CHECK: cir.func{{.*}} @_Z9ref_locals(%[[ARG:.*]]: !s16i {{.*}})
// CHECK: %[[X_ADDR:.*]] = cir.alloca !s16i, !cir.ptr<!s16i>, ["x", init] {alignment = 2 : i64}
// CHECK: %[[Y_REF_ADDR:.*]] = cir.alloca !cir.ptr<!s16i>, !cir.ptr<!cir.ptr<!s16i>>, ["y", init, const] {alignment = 8 : i64}
// CHECK: cir.store{{.*}} %[[ARG]], %[[X_ADDR]] : !s16i, !cir.ptr<!s16i>
// CHECK: cir.store{{.*}} %[[X_ADDR]], %[[Y_REF_ADDR]] : !cir.ptr<!s16i>, !cir.ptr<!cir.ptr<!s16i>>