[PATCH] D116128: [clang][driver] Warn when '-mno-outline-atomics' is used with a non-AArch64 triple
Nathan Chancellor via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Dec 23 11:49:32 PST 2021
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGbe8180af5854: [clang][driver] Warn when '-mno-outline-atomics' is used with a non-AArch64… (authored by nathanchance).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D116128/new/
https://reviews.llvm.org/D116128
Files:
clang/include/clang/Basic/DiagnosticDriverKinds.td
clang/lib/Driver/ToolChains/Clang.cpp
clang/test/Driver/unsupported-outline-atomics.c
Index: clang/test/Driver/unsupported-outline-atomics.c
===================================================================
--- /dev/null
+++ clang/test/Driver/unsupported-outline-atomics.c
@@ -0,0 +1,15 @@
+// RUN: %clang -target x86_64 -moutline-atomics -S %s -### 2>&1 | FileCheck %s -check-prefix=CHECK-OUTLINE-ATOMICS-X86
+// CHECK-OUTLINE-ATOMICS-X86: warning: 'x86_64' does not support '-moutline-atomics'; flag ignored [-Woption-ignored]
+// CHECK-OUTLINE-ATOMICS-X86-NOT: "-target-feature" "+outline-atomics"
+
+// RUN: %clang -target x86_64 -mno-outline-atomics -S %s -### 2>&1 | FileCheck %s -check-prefix=CHECK-NO-OUTLINE-ATOMICS-X86
+// CHECK-NO-OUTLINE-ATOMICS-X86: warning: 'x86_64' does not support '-mno-outline-atomics'; flag ignored [-Woption-ignored]
+// CHECK-NO-OUTLINE-ATOMICS-X86-NOT: "-target-feature" "-outline-atomics"
+
+// RUN: %clang -target riscv64 -moutline-atomics -S %s -### 2>&1 | FileCheck %s -check-prefix=CHECK-OUTLINE-ATOMICS-RISCV
+// CHECK-OUTLINE-ATOMICS-RISCV: warning: 'riscv64' does not support '-moutline-atomics'; flag ignored [-Woption-ignored]
+// CHECK-OUTLINE-ATOMICS-RISCV-NOT: "-target-feature" "+outline-atomics"
+
+// RUN: %clang -target riscv64 -mno-outline-atomics -S %s -### 2>&1 | FileCheck %s -check-prefix=CHECK-NO-OUTLINE-ATOMICS-RISCV
+// CHECK-NO-OUTLINE-ATOMICS-RISCV: warning: 'riscv64' does not support '-mno-outline-atomics'; flag ignored [-Woption-ignored]
+// CHECK-NO-OUTLINE-ATOMICS-RISCV-NOT: "-target-feature" "-outline-atomics"
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -7007,18 +7007,18 @@
if (Arg *A = Args.getLastArg(options::OPT_moutline_atomics,
options::OPT_mno_outline_atomics)) {
- if (A->getOption().matches(options::OPT_moutline_atomics)) {
- // Option -moutline-atomics supported for AArch64 target only.
- if (!Triple.isAArch64()) {
- D.Diag(diag::warn_drv_moutline_atomics_unsupported_opt)
- << Triple.getArchName();
- } else {
+ // Option -moutline-atomics supported for AArch64 target only.
+ if (!Triple.isAArch64()) {
+ D.Diag(diag::warn_drv_moutline_atomics_unsupported_opt)
+ << Triple.getArchName() << A->getOption().getName();
+ } else {
+ if (A->getOption().matches(options::OPT_moutline_atomics)) {
CmdArgs.push_back("-target-feature");
CmdArgs.push_back("+outline-atomics");
+ } else {
+ CmdArgs.push_back("-target-feature");
+ CmdArgs.push_back("-outline-atomics");
}
- } else {
- CmdArgs.push_back("-target-feature");
- CmdArgs.push_back("-outline-atomics");
}
} else if (Triple.isAArch64() &&
getToolChain().IsAArch64OutlineAtomicsDefault(Args)) {
Index: clang/include/clang/Basic/DiagnosticDriverKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticDriverKinds.td
+++ clang/include/clang/Basic/DiagnosticDriverKinds.td
@@ -568,7 +568,7 @@
InGroup<OptionIgnored>;
def warn_drv_moutline_atomics_unsupported_opt : Warning<
- "'%0' does not support '-moutline-atomics'; flag ignored">,
+ "'%0' does not support '-%1'; flag ignored">,
InGroup<OptionIgnored>;
def warn_drv_darwin_sdk_invalid_settings : Warning<
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