benshi001 created this revision.
benshi001 added reviewers: aykevl, MaskRay.
Herald added subscribers: StephenFan, Jim, dylanmckay.
Herald added a project: All.
benshi001 requested review of this revision.
Herald added subscribers: cfe-commits, jacquesguan.
Herald added a project: clang.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D122524
Files:
clang/lib/Driver/ToolChains/AVR.cpp
clang/test/Driver/avr-toolchain.c
Index: clang/test/Driver/avr-toolchain.c
===================================================================
--- clang/test/Driver/avr-toolchain.c
+++ clang/test/Driver/avr-toolchain.c
@@ -35,3 +35,10 @@
// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree 2>&1
-nostdinc | FileCheck --check-prefix=NOSTDINC %s
// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree 2>&1
-nostdlibinc | FileCheck --check-prefix=NOSTDINC %s
// NOSTDINC-NOT: "-internal-isystem" {{".*avr/include"}}
+
+// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree 2>&1 |
FileCheck --check-prefix=LINK %s
+// LINK: warning: standard library not linked and so no interrupt vector table
or compiler runtime routines will be linked
+
+// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree -S 2>&1
| FileCheck --check-prefix=NOLINK %s
+// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree -c 2>&1
| FileCheck --check-prefix=NOLINK %s
+// NOLINK-NOT: warning: standard library not linked and so no interrupt vector
table or compiler runtime routines will be linked
Index: clang/lib/Driver/ToolChains/AVR.cpp
===================================================================
--- clang/lib/Driver/ToolChains/AVR.cpp
+++ clang/lib/Driver/ToolChains/AVR.cpp
@@ -372,6 +372,7 @@
// Only add default libraries if the user hasn't explicitly opted out.
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs) &&
+ !Args.hasArg(options::OPT_S) &&
!Args.hasArg(options::OPT_c /* does not apply when not linking */)) {
std::string CPU = getCPUName(D, Args, Triple);
Index: clang/test/Driver/avr-toolchain.c
===================================================================
--- clang/test/Driver/avr-toolchain.c
+++ clang/test/Driver/avr-toolchain.c
@@ -35,3 +35,10 @@
// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree 2>&1 -nostdinc | FileCheck --check-prefix=NOSTDINC %s
// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree 2>&1 -nostdlibinc | FileCheck --check-prefix=NOSTDINC %s
// NOSTDINC-NOT: "-internal-isystem" {{".*avr/include"}}
+
+// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree 2>&1 | FileCheck --check-prefix=LINK %s
+// LINK: warning: standard library not linked and so no interrupt vector table or compiler runtime routines will be linked
+
+// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree -S 2>&1 | FileCheck --check-prefix=NOLINK %s
+// RUN: %clang %s -### -target avr --sysroot %S/Inputs/basic_avr_tree -c 2>&1 | FileCheck --check-prefix=NOLINK %s
+// NOLINK-NOT: warning: standard library not linked and so no interrupt vector table or compiler runtime routines will be linked
Index: clang/lib/Driver/ToolChains/AVR.cpp
===================================================================
--- clang/lib/Driver/ToolChains/AVR.cpp
+++ clang/lib/Driver/ToolChains/AVR.cpp
@@ -372,6 +372,7 @@
// Only add default libraries if the user hasn't explicitly opted out.
if (!Args.hasArg(options::OPT_nostdlib) &&
!Args.hasArg(options::OPT_nodefaultlibs) &&
+ !Args.hasArg(options::OPT_S) &&
!Args.hasArg(options::OPT_c /* does not apply when not linking */)) {
std::string CPU = getCPUName(D, Args, Triple);
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