File: tbaa-ms-abi.cpp

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (22 lines) | stat: -rw-r--r-- 632 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
// RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -o - -O1 %s | FileCheck %s
//
// Test that TBAA works in the Microsoft C++ ABI.  We used to error out while
// attempting to mangle RTTI.

struct StructA {
  int a;
};

struct StructB : virtual StructA {
  StructB();
};

StructB::StructB() {
  a = 42;
// CHECK: store i32 42, i32* {{.*}}, !tbaa [[TAG_A_i32:!.*]]
}

// CHECK: [[TYPE_INT:!.*]] = !{!"int", [[TYPE_CHAR:!.*]], i64 0}
// CHECK: [[TYPE_CHAR]] = !{!"omnipotent char", !
// CHECK: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0}
// CHECK: [[TYPE_A]] = !{!"?AUStructA@@", [[TYPE_INT]], i64 0}