Andres-Salamanca 66214410c4
[CIR] Add support for DumpRecordLayouts (#145058)
This PR adds support for the `-fdump-record-layouts` flag.
2025-06-23 14:58:28 -05:00

42 lines
1.8 KiB
C++

// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir -fdump-record-layouts %s -o - | FileCheck %s
struct SimpleStruct {
int a;
float b;
} simple;
// CHECK: Layout: <CIRecordLayout
// CHECK: CIR Type:!cir.record<struct "SimpleStruct" {!cir.int<s, 32>, !cir.float}>
// CHECK: NonVirtualBaseCIRType:!cir.record<struct "SimpleStruct" {!cir.int<s, 32>, !cir.float}>
// CHECK: IsZeroInitializable:1
// CHECK: BitFields:[
// CHECK: ]>
struct Empty {
} empty;
// CHECK: Layout: <CIRecordLayout
// CHECK: CIR Type:!cir.record<struct "Empty" padded {!cir.int<u, 8>}>
// CHECK: NonVirtualBaseCIRType:!cir.record<struct "Empty" padded {!cir.int<u, 8>}>
// CHECK: IsZeroInitializable:1
// CHECK: BitFields:[
// CHECK: ]>
struct BitfieldsInOrder {
char a;
unsigned bit: 8;
unsigned should : 20;
unsigned have: 3;
unsigned order: 1;
} bitfield_order;
// CHECK: Layout: <CIRecordLayout
// CHECK: CIR Type:!cir.record<struct "BitfieldsInOrder" {!cir.int<s, 8>, !cir.int<u, 8>, !cir.int<u, 32>}>
// CHECK: NonVirtualBaseCIRType:!cir.record<struct "BitfieldsInOrder" {!cir.int<s, 8>, !cir.int<u, 8>, !cir.int<u, 32>}>
// CHECK: IsZeroInitializable:1
// CHECK: BitFields:[
// CHECK-NEXT: <CIRBitFieldInfo name:bit offset:0 size:8 isSigned:0 storageSize:8 storageOffset:1 volatileOffset:0 volatileStorageSize:0 volatileStorageOffset:0>
// CHECK-NEXT: <CIRBitFieldInfo name:should offset:0 size:20 isSigned:0 storageSize:32 storageOffset:4 volatileOffset:0 volatileStorageSize:0 volatileStorageOffset:0>
// CHECK-NEXT: <CIRBitFieldInfo name:have offset:20 size:3 isSigned:0 storageSize:32 storageOffset:4 volatileOffset:0 volatileStorageSize:0 volatileStorageOffset:0>
// CHECK-NEXT: <CIRBitFieldInfo name:order offset:23 size:1 isSigned:0 storageSize:32 storageOffset:4 volatileOffset:0 volatileStorageSize:0 volatileStorageOffset:0>
// CHECK:]>