https://github.com/PiJoules updated
https://github.com/llvm/llvm-project/pull/80781
>From 3b267b1aeb49aa5ab54920da5f6a1fa7492ae88c Mon Sep 17 00:00:00 2001
From: Leonard Chan <leonardc...@google.com>
Date: Mon, 5 Feb 2024 17:58:08 -0800
Subject: [PATCH] [clang] Add zero-initialization for fixed point types
---
clang/lib/AST/ExprConstant.cpp | 4 ++++
clang/test/AST/fixed-point-zero-init.cpp | 5 +++++
2 files changed, 9 insertions(+)
create mode 100644 clang/test/AST/fixed-point-zero-init.cpp
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 63453890d98798..089bc2094567f7 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -11427,6 +11427,10 @@ class FixedPointExprEvaluator
return true;
}
+ bool ZeroInitialization(const Expr *E) {
+ return Success(0, E);
+ }
+
//===--------------------------------------------------------------------===//
// Visitor Methods
//===--------------------------------------------------------------------===//
diff --git a/clang/test/AST/fixed-point-zero-init.cpp
b/clang/test/AST/fixed-point-zero-init.cpp
new file mode 100644
index 00000000000000..abe8aa8c396a85
--- /dev/null
+++ b/clang/test/AST/fixed-point-zero-init.cpp
@@ -0,0 +1,5 @@
+// RUN: %clang_cc1 -ffixed-point %s -verify
+// expected-no-diagnostics
+
+constexpr _Accum a[2] = {};
+static_assert(a[0] == 0 && a[0] != 1);
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