llvm-project/clang/test/CodeGenCXX/amdgcn-automatic-variable.cpp

73 lines
2.3 KiB
C++

// RUN: %clang_cc1 -O0 -triple amdgcn---amdgiz -emit-llvm %s -o - | FileCheck %s
// CHECK-LABEL: define void @_Z5func1Pi(i32* %x)
void func1(int *x) {
// CHECK: %[[x_addr:.*]] = alloca i32*{{.*}}addrspace(5)
// CHECK: store i32* %x, i32* addrspace(5)* %[[x_addr]]
// CHECK: %[[r0:.*]] = load i32*, i32* addrspace(5)* %[[x_addr]]
// CHECK: store i32 1, i32* %[[r0]]
*x = 1;
}
// CHECK-LABEL: define void @_Z5func2v()
void func2(void) {
// CHECK: %lv1 = alloca i32, align 4, addrspace(5)
// CHECK: %lv2 = alloca i32, align 4, addrspace(5)
// CHECK: %la = alloca [100 x i32], align 4, addrspace(5)
// CHECK: %lp1 = alloca i32*, align 4, addrspace(5)
// CHECK: %lp2 = alloca i32*, align 4, addrspace(5)
// CHECK: %lvc = alloca i32, align 4, addrspace(5)
// CHECK: %[[r0:.*]] = addrspacecast i32 addrspace(5)* %lv1 to i32*
// CHECK: store i32 1, i32* %[[r0]]
int lv1;
lv1 = 1;
// CHECK: %[[r1:.*]] = addrspacecast i32 addrspace(5)* %lv2 to i32*
// CHECK: store i32 2, i32* %[[r1]]
int lv2 = 2;
// CHECK: %[[r2:.*]] = addrspacecast [100 x i32] addrspace(5)* %la to [100 x i32]*
// CHECK: %[[arrayidx:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i64 0, i64 0
// CHECK: store i32 3, i32* %[[arrayidx]], align 4
int la[100];
la[0] = 3;
// CHECK: %[[r3:.*]] = addrspacecast i32* addrspace(5)* %lp1 to i32**
// CHECK: store i32* %[[r0]], i32** %[[r3]], align 4
int *lp1 = &lv1;
// CHECK: %[[r4:.*]] = addrspacecast i32* addrspace(5)* %lp2 to i32**
// CHECK: %[[arraydecay:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i32 0, i32 0
// CHECK: store i32* %[[arraydecay]], i32** %[[r4]], align 4
int *lp2 = la;
// CHECK: call void @_Z5func1Pi(i32* %[[r0]])
func1(&lv1);
// CHECK: %[[r5:.*]] = addrspacecast i32 addrspace(5)* %lvc to i32*
// CHECK: store i32 4, i32* %[[r5]]
// CHECK: store i32 4, i32* %[[r0]]
const int lvc = 4;
lv1 = lvc;
}
void destroy(int x);
class A {
int x;
public:
A():x(0) {}
~A() {
destroy(x);
}
};
// CHECK-LABEL: define void @_Z5func3v
void func3() {
// CHECK: %[[a:.*]] = alloca %class.A, align 4, addrspace(5)
// CHECK: %[[r0:.*]] = addrspacecast %class.A addrspace(5)* %[[a]] to %class.A*
// CHECK: call void @_ZN1AC1Ev(%class.A* %[[r0]])
// CHECK: call void @_ZN1AD1Ev(%class.A* %[[r0]])
A a;
}