[clang] Produce a "multiversion" annotation in textual AST output.

This change adds a "multiversion" annotation to textual AST output.
For example:
  FunctionDecl 0xb6628b0 <t.c:1:1, col:13> col:5 multiversion foo 'int (void)'

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D121961
This commit is contained in:
Tom Honermann 2022-03-02 14:10:33 -08:00 committed by Tom Honermann
parent 58c202a3d8
commit 0cceee7559
2 changed files with 25 additions and 0 deletions

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@ -283,6 +283,8 @@ void TextNodeDumper::Visit(const Decl *D) {
OS << " constexpr";
if (FD->isConsteval())
OS << " consteval";
if (FD->isMultiVersion())
OS << " multiversion";
}
if (!isa<FunctionDecl>(*D)) {

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@ -0,0 +1,23 @@
// Test without serialization:
// RUN: %clang_cc1 -triple x86_64-pc-linux -ast-dump -ast-dump-filter Test %s \
// RUN: | FileCheck --strict-whitespace %s
//
// Test with serialization:
// RUN: %clang_cc1 -triple x86_64-pc-linux -emit-pch -o %t %s
// RUN: %clang_cc1 -x c -triple x86_64-pc-linux -include-pch %t \
// RUN: -ast-dump-all -ast-dump-filter Test /dev/null \
// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
// RUN: | FileCheck --strict-whitespace %s
void TestUnattributedMVF(void);
// CHECK: FunctionDecl 0x{{[^ ]*}} <{{.*}}> col:{{[0-9]*}} multiversion TestUnattributedMVF
__attribute__((target("default"))) void TestUnattributedMVF(void);
// CHECK: FunctionDecl 0x{{[^ ]*}} prev 0x{{[^ ]*}} <{{.*}}> col:{{[0-9]*}} multiversion TestUnattributedMVF
__attribute__((target("mmx"))) void TestNonMVF(void);
// CHECK: FunctionDecl 0x{{[^ ]*}} <{{.*}}> col:{{[0-9]*}} TestNonMVF
__attribute__((target("mmx"))) void TestRetroMVF(void);
// CHECK: FunctionDecl 0x{{[^ ]*}} <{{.*}}> col:{{[0-9]*}} multiversion TestRetroMVF
__attribute__((target("sse"))) void TestRetroMVF(void);
// CHECK: FunctionDecl 0x{{[^ ]*}} <{{.*}}> col:{{[0-9]*}} multiversion TestRetroMVF