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annotate clang/test/CodeGen/tbaa-ms-abi.cpp @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 1d019706d866
children c4bab56944e8
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1 // RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -o - -O1 %s | FileCheck %s -check-prefixes=CHECK,OLD-PATH
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2 // RUN: %clang_cc1 -triple i686-pc-win32 -disable-llvm-passes -emit-llvm -new-struct-path-tbaa -o - -O1 %s | FileCheck %s -check-prefixes=CHECK,NEW-PATH
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3 //
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4 // Test that TBAA works in the Microsoft C++ ABI. We used to error out while
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5 // attempting to mangle RTTI.
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6
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7 struct StructA {
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8 int a;
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9 };
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10
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11 struct StructB : virtual StructA {
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12 StructB();
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13 };
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14
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15 StructB::StructB() {
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16 a = 42;
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17 // CHECK: store i32 42, i32* {{.*}}, !tbaa [[TAG_A_i32:!.*]]
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18 }
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19
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20 // OLD-PATH: [[TYPE_INT:!.*]] = !{!"int", [[TYPE_CHAR:!.*]], i64 0}
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21 // OLD-PATH: [[TYPE_CHAR]] = !{!"omnipotent char", !
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22 // OLD-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0}
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23 // OLD-PATH: [[TYPE_A]] = !{!"?AUStructA@@", [[TYPE_INT]], i64 0}
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24 // NEW-PATH: [[TYPE_INT:!.*]] = !{[[TYPE_CHAR:!.*]], i64 4, !"int"}
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25 // NEW-PATH: [[TYPE_CHAR]] = !{{{.*}}, i64 1, !"omnipotent char"}
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26 // NEW-PATH: [[TAG_A_i32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 0, i64 4}
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27 // NEW-PATH: [[TYPE_A]] = !{[[TYPE_CHAR]], i64 4, !"?AUStructA@@", [[TYPE_INT]], i64 0, i64 4}