clang/0010-PATCH-clang-Produce-DWARF4-by-default.patch
Tulio Magno Quites Machado Filho e9eca7e273 Add more fixes to clang 16.0
1. Remove patches that are not necessary.
2. Re-add a patch that generates DWARF4 by default.
3. Add a patch fixing IEEE 128-bit long double tests on ppc64le.
4. Include cmake code.
5. Other minor issues.

Part of these changes are heavily based on or copied from the work from
Konrad Kleine in branch upstream-snapshot.
2023-02-16 16:24:14 -03:00

124 lines
5.6 KiB
Diff

From 4ea62faaaac1aad0fe496cabe9674c809c91c49a Mon Sep 17 00:00:00 2001
From: Konrad Kleine <kkleine@redhat.com>
Date: Mon, 13 Feb 2023 17:11:00 -0300
Subject: [PATCH] Produce DWARF4 by default
Have a look at the following commit to see when the move from DWARF 4 to 5 first happened upstream:
https://github.com/llvm/llvm-project/commit/d3b26dea16108c427b19b5480c9edc76edf8f5b4?diff=unified
---
clang/include/clang/Driver/ToolChain.h | 2 +-
clang/test/CodeGen/dwarf-version.c | 4 ++--
clang/test/Driver/as-options.s | 4 ++--
clang/test/Driver/cl-options.c | 2 +-
clang/test/Driver/clang-g-opts.c | 2 +-
clang/test/Driver/ve-toolchain.c | 2 +-
clang/test/Driver/ve-toolchain.cpp | 2 +-
7 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/clang/include/clang/Driver/ToolChain.h b/clang/include/clang/Driver/ToolChain.h
index f75f35dc9e65..a70ae2b17833 100644
--- a/clang/include/clang/Driver/ToolChain.h
+++ b/clang/include/clang/Driver/ToolChain.h
@@ -547,7 +547,7 @@ public:
// Return the DWARF version to emit, in the absence of arguments
// to the contrary.
- virtual unsigned GetDefaultDwarfVersion() const { return 5; }
+ virtual unsigned GetDefaultDwarfVersion() const { return 4; }
// Some toolchains may have different restrictions on the DWARF version and
// may need to adjust it. E.g. NVPTX may need to enforce DWARF2 even when host
diff --git a/clang/test/CodeGen/dwarf-version.c b/clang/test/CodeGen/dwarf-version.c
index 0a6fa4768026..96f01749d0d8 100644
--- a/clang/test/CodeGen/dwarf-version.c
+++ b/clang/test/CodeGen/dwarf-version.c
@@ -2,8 +2,8 @@
// RUN: %clang -target x86_64-linux-gnu -gdwarf-3 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER3
// RUN: %clang -target x86_64-linux-gnu -gdwarf-4 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
// RUN: %clang -target x86_64-linux-gnu -gdwarf-5 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
-// RUN: %clang -target x86_64-linux-gnu -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
-// RUN: %clang -target x86_64-linux-gnu -gdwarf -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER5
+// RUN: %clang -target x86_64-linux-gnu -g -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
+// RUN: %clang -target x86_64-linux-gnu -gdwarf -S -emit-llvm -o - %s | FileCheck %s --check-prefix=VER4
// The -isysroot is used as a hack to avoid LIT messing with the SDKROOT
// environment variable which indirecty overrides the version in the target
diff --git a/clang/test/Driver/as-options.s b/clang/test/Driver/as-options.s
index 73d002c7ef7e..71d55f7fd537 100644
--- a/clang/test/Driver/as-options.s
+++ b/clang/test/Driver/as-options.s
@@ -122,7 +122,7 @@
// RUN: FileCheck --check-prefix=DEBUG %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -g0 -g %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=DEBUG %s
-// DEBUG: "-g" "-gdwarf-5"
+// DEBUG: "-g" "-gdwarf-4"
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -g -g0 %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=NODEBUG %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf-5 -g0 %s -### 2>&1 | \
@@ -141,7 +141,7 @@
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf-2 %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=GDWARF2 %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf %s -### 2>&1 | \
-// RUN: FileCheck --check-prefix=GDWARF5 %s
+// RUN: FileCheck --check-prefix=GDWARF4 %s
// RUN: %clang --target=aarch64-linux-gnu -fno-integrated-as -gdwarf-5 %s -### 2>&1 | \
// RUN: FileCheck --check-prefix=GDWARF5 %s
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index 1d588bdfc1b0..1ad57aedc3a4 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -575,7 +575,7 @@
// RUN: %clang_cl /Z7 -gdwarf /c -### -- %s 2>&1 | FileCheck -check-prefix=Z7_gdwarf %s
// Z7_gdwarf: "-gcodeview"
// Z7_gdwarf: "-debug-info-kind=constructor"
-// Z7_gdwarf: "-dwarf-version=
+// Z7_gdwarf: "-dwarf-version=4
// RUN: %clang_cl /ZH:MD5 /c -### -- %s 2>&1 | FileCheck -check-prefix=ZH_MD5 %s
// ZH_MD5: "-gsrc-hash=md5"
diff --git a/clang/test/Driver/clang-g-opts.c b/clang/test/Driver/clang-g-opts.c
index d982b1070cae..bb129e75769c 100644
--- a/clang/test/Driver/clang-g-opts.c
+++ b/clang/test/Driver/clang-g-opts.c
@@ -32,7 +32,7 @@
// CHECK-WITHOUT-G-NOT: -debug-info-kind
// CHECK-WITH-G: "-debug-info-kind=constructor"
-// CHECK-WITH-G: "-dwarf-version=5"
+// CHECK-WITH-G: "-dwarf-version=4"
// CHECK-WITH-G-DWARF2: "-dwarf-version=2"
// CHECK-WITH-G-STANDALONE: "-debug-info-kind=standalone"
diff --git a/clang/test/Driver/ve-toolchain.c b/clang/test/Driver/ve-toolchain.c
index 32e25769b6da..b8a2852daba8 100644
--- a/clang/test/Driver/ve-toolchain.c
+++ b/clang/test/Driver/ve-toolchain.c
@@ -6,7 +6,7 @@
/// Checking dwarf-version
// RUN: %clang -### -g --target=ve %s 2>&1 | FileCheck -check-prefix=DWARF_VER %s
-// DWARF_VER: "-dwarf-version=5"
+// DWARF_VER: "-dwarf-version=4"
///-----------------------------------------------------------------------------
/// Checking include-path
diff --git a/clang/test/Driver/ve-toolchain.cpp b/clang/test/Driver/ve-toolchain.cpp
index 5a33d5eceb61..cedf895b36dc 100644
--- a/clang/test/Driver/ve-toolchain.cpp
+++ b/clang/test/Driver/ve-toolchain.cpp
@@ -7,7 +7,7 @@
// RUN: %clangxx -### -g --target=ve-unknown-linux-gnu \
// RUN: %s 2>&1 | FileCheck -check-prefix=DWARF_VER %s
-// DWARF_VER: "-dwarf-version=5"
+// DWARF_VER: "-dwarf-version=4"
///-----------------------------------------------------------------------------
/// Checking include-path
--
2.39.1