https://github.com/sga-sc updated
https://github.com/llvm/llvm-project/pull/150022
>From 94f1d8c353982b72b138131bd4127bbe84191cf7 Mon Sep 17 00:00:00 2001
From: Georgiy Samoylov <g.samoy...@syntacore.com>
Date: Tue, 29 Jul 2025 13:28:59 +0300
Subject: [PATCH 1/3] [clang][DebugInfo] Changed way of getting callee function
---
clang/lib/CodeGen/CGDebugInfo.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp
b/clang/lib/CodeGen/CGDebugInfo.cpp
index a371b6755f74d..271d4bae0015b 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -4805,7 +4805,8 @@ void CGDebugInfo::EmitFuncDeclForCallSite(llvm::CallBase
*CallOrInvoke,
const FunctionDecl *CalleeDecl) {
if (!CallOrInvoke)
return;
- auto *Func = CallOrInvoke->getCalledFunction();
+ auto *Func =
+ dyn_cast_or_null<llvm::Function>(CallOrInvoke->getCalledOperand());
if (!Func)
return;
if (Func->getSubprogram())
>From 5d637925f5701ca248b073b4be51734ef8b5871a Mon Sep 17 00:00:00 2001
From: Georgiy Samoylov <g.samoy...@syntacore.com>
Date: Thu, 17 Jul 2025 18:35:02 +0300
Subject: [PATCH 2/3] [clang][test] Added test for EmitFuncDeclForCallSite
---
.../CodeGen/RISCV/debug-info-emit-func-decl.c | 27 +++++++++++++++++++
.../RISCV/debug-info-emit-func-decl.cpp | 27 +++++++++++++++++++
2 files changed, 54 insertions(+)
create mode 100644 clang/test/CodeGen/RISCV/debug-info-emit-func-decl.c
create mode 100644 clang/test/CodeGen/RISCV/debug-info-emit-func-decl.cpp
diff --git a/clang/test/CodeGen/RISCV/debug-info-emit-func-decl.c
b/clang/test/CodeGen/RISCV/debug-info-emit-func-decl.c
new file mode 100644
index 0000000000000..e580cb2702047
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/debug-info-emit-func-decl.c
@@ -0,0 +1,27 @@
+// REQUIRES: riscv-registered-target
+// RUN: %clang_cc1 -triple riscv64 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=gdb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV64
+// RUN: %clang_cc1 -triple riscv64 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=lldb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV64
+// RUN: %clang_cc1 -triple riscv64 -debug-info-kind=limited -dwarf-version=5
-O2 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-RV64
+
+// RUN: %clang_cc1 -triple riscv32 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=gdb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV32
+// RUN: %clang_cc1 -triple riscv32 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=lldb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV32
+// RUN: %clang_cc1 -triple riscv32 -debug-info-kind=limited -dwarf-version=5
-O2 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-RV32
+
+// CHECK-RV64: declare !dbg ![[FOO:[0-9]+]] void @foo(...) local_unnamed_addr
#[[ATTR0:[0-9]+]]
+// CHECK-RV32: declare !dbg ![[FOO:[0-9]+]] void @foo(...) local_unnamed_addr
#[[ATTR0:[0-9]+]]
+void foo();
+
+// CHECK-RV64: declare !dbg ![[BAR:[0-9]+]] void @bar() local_unnamed_addr
#[[ATTR0:[0-9]+]]
+// CHECK-RV32: declare !dbg ![[BAR:[0-9]+]] void @bar() local_unnamed_addr
#[[ATTR0:[0-9]+]]
+void bar(void);
+
+// CHECK-RV64: declare !dbg ![[BAZ:[0-9]+]] void @baz(i32 noundef signext,
...) local_unnamed_addr #[[ATTR0:[0-9]+]]
+// CHECK-RV32: declare !dbg ![[BAZ:[0-9]+]] void @baz(i32 noundef, ...)
local_unnamed_addr #[[ATTR0:[0-9]+]]
+void baz(int a, ...);
+
+int main() {
+ foo();
+ bar();
+ baz(1);
+ return 0;
+}
diff --git a/clang/test/CodeGen/RISCV/debug-info-emit-func-decl.cpp
b/clang/test/CodeGen/RISCV/debug-info-emit-func-decl.cpp
new file mode 100644
index 0000000000000..48f5540b4be78
--- /dev/null
+++ b/clang/test/CodeGen/RISCV/debug-info-emit-func-decl.cpp
@@ -0,0 +1,27 @@
+// REQUIRES: riscv-registered-target
+// RUN: %clang_cc1 -triple riscv64 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=gdb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV64
+// RUN: %clang_cc1 -triple riscv64 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=lldb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV64
+// RUN: %clang_cc1 -triple riscv64 -debug-info-kind=limited -dwarf-version=5
-O2 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-RV64
+
+// RUN: %clang_cc1 -triple riscv32 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=gdb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV32
+// RUN: %clang_cc1 -triple riscv32 -debug-info-kind=limited -dwarf-version=4
-debugger-tuning=lldb -O2 -emit-llvm %s -o - | FileCheck %s
--check-prefix=CHECK-RV32
+// RUN: %clang_cc1 -triple riscv32 -debug-info-kind=limited -dwarf-version=5
-O2 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-RV32
+
+// CHECK-RV64: declare !dbg ![[FOO:[0-9]+]] void @_Z3foov() local_unnamed_addr
#[[ATTR0:[0-9]+]]
+// CHECK-RV32: declare !dbg ![[FOO:[0-9]+]] void @_Z3foov() local_unnamed_addr
#[[ATTR0:[0-9]+]]
+void foo();
+
+// CHECK-RV64: declare !dbg ![[BAR:[0-9]+]] void @_Z3barv() local_unnamed_addr
#[[ATTR0:[0-9]+]]
+// CHECK-RV32: declare !dbg ![[BAR:[0-9]+]] void @_Z3barv() local_unnamed_addr
#[[ATTR0:[0-9]+]]
+void bar(void);
+
+// CHECK-RV64: declare !dbg ![[BAZ:[0-9]+]] void @_Z3baziz(i32 noundef
signext, ...) local_unnamed_addr #[[ATTR0:[0-9]+]]
+// CHECK-RV32: declare !dbg ![[BAZ:[0-9]+]] void @_Z3baziz(i32 noundef, ...)
local_unnamed_addr #[[ATTR0:[0-9]+]]
+void baz(int a, ...);
+
+int main() {
+ foo();
+ bar();
+ baz(1);
+ return 0;
+}
>From eb24c478828c5748ba72373b2fabb518193854f6 Mon Sep 17 00:00:00 2001
From: Georgiy Samoylov <g.samoy...@syntacore.com>
Date: Thu, 31 Jul 2025 13:26:29 +0300
Subject: [PATCH 3/3] [clang][test] Added C test for describing all calls
---
.../CodeGen/dbg-info-all-calls-described.c | 88 +++++++++++++++++++
1 file changed, 88 insertions(+)
create mode 100644 clang/test/CodeGen/dbg-info-all-calls-described.c
diff --git a/clang/test/CodeGen/dbg-info-all-calls-described.c
b/clang/test/CodeGen/dbg-info-all-calls-described.c
new file mode 100644
index 0000000000000..3ca3aaa0b70f4
--- /dev/null
+++ b/clang/test/CodeGen/dbg-info-all-calls-described.c
@@ -0,0 +1,88 @@
+// Test that call site debug info is (un)supported in various configurations.
+
+// Supported: DWARF5, -O1, standalone DI
+// RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN: -O1 -disable-llvm-passes \
+// RUN: -debug-info-kind=standalone -dwarf-version=5 \
+// RUN: | FileCheck %s -check-prefix=HAS-ATTR \
+// RUN: -implicit-check-not=DISubprogram
-implicit-check-not=DIFlagAllCallsDescribed
+
+// Supported: DWARF4 + LLDB tuning, -O1, limited DI
+// RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN: -O1 -disable-llvm-passes \
+// RUN: -debugger-tuning=lldb \
+// RUN: -debug-info-kind=standalone -dwarf-version=4 \
+// RUN: | FileCheck %s -check-prefix=HAS-ATTR \
+// RUN: -implicit-check-not=DISubprogram
-implicit-check-not=DIFlagAllCallsDescribed
+
+// Note: DIFlagAllCallsDescribed may have been enabled prematurely when tuning
+// for GDB under -gdwarf-4 in https://reviews.llvm.org/D69743. It's possible
+// this should have been 'Unsupported' until entry values emission was enabled
+// by default.
+//
+// Supported: DWARF4 + GDB tuning
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu \
+// RUN: %s -o - -O1 -disable-llvm-passes -debugger-tuning=gdb \
+// RUN: -debug-info-kind=standalone -dwarf-version=4 \
+// RUN: | FileCheck %s -check-prefix=HAS-ATTR \
+// RUN: -implicit-check-not=DIFlagAllCallsDescribed
+
+// Supported: DWARF4 + LLDB, -O1
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu \
+// RUN: %s -o - -O1 -disable-llvm-passes -debugger-tuning=lldb \
+// RUN: -debug-info-kind=standalone -dwarf-version=4 \
+// RUN: | FileCheck %s -check-prefix=HAS-ATTR \
+// RUN: -implicit-check-not=DIFlagAllCallsDescribed
+
+// Unsupported: -O0
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-linux-gnu \
+// RUN: %s -o - -O0 -disable-llvm-passes -debugger-tuning=gdb \
+// RUN: -debug-info-kind=standalone -dwarf-version=4 \
+// RUN: | FileCheck %s -check-prefix=NO-ATTR
+
+// Supported: DWARF4 + LLDB tuning, -O1, line-tables only DI
+// RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN: -O1 -disable-llvm-passes \
+// RUN: -debugger-tuning=lldb \
+// RUN: -debug-info-kind=line-tables-only -dwarf-version=4 \
+// RUN: | FileCheck %s -check-prefix=LINE-TABLES-ONLY
+
+// Unsupported: -O0
+// RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN: -O0 \
+// RUN: -debug-info-kind=standalone -dwarf-version=5 \
+// RUN: | FileCheck %s -check-prefix=NO-ATTR
+
+// Unsupported: DWARF4
+// RUN: %clang_cc1 -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN: -O1 -disable-llvm-passes \
+// RUN: -debug-info-kind=standalone -dwarf-version=4 \
+// RUN: | FileCheck %s -check-prefix=NO-ATTR
+
+// NO-ATTR-NOT: FlagAllCallsDescribed
+
+// HAS-ATTR-DAG: DISubprogram(name: "declaration1", {{.*}}, spFlags:
DISPFlagOptimized)
+// HAS-ATTR-DAG: DISubprogram(name: "declaration2", {{.*}}, flags:
DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized
+// HAS-ATTR-DAG: DISubprogram(name: "declaration3", {{.*}}, flags:
DIFlagPrototyped, spFlags: DISPFlagOptimized)
+// HAS-ATTR-DAG: DISubprogram(name: "declaration4", {{.*}}, flags:
DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition |
DISPFlagOptimized
+
+// HAS-ATTR-DAG: DISubprogram(name: "force_irgen", {{.*}}, flags:
DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition
+
+// LINE-TABLES-ONLY: DISubprogram(name: "force_irgen", {{.*}}, flags:
DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition
+
+void declaration1();
+
+void declaration2();
+
+void declaration2() {}
+
+void declaration3(void);
+
+void declaration4(void);
+
+void declaration4(void) {}
+
+void __attribute__((optnone)) force_irgen(void) {
+ declaration1();
+ declaration3();
+}
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