[PATCH] D77431: [X86] Add tests to clang Driver to ensure that SLH/Retpoline features are not enabled with LVI-hardening

[Scott Constable via Phabricator via cfe-commits]

sconstab created this revision.
sconstab added a reviewer: craig.topper.

https://reviews.llvm.org/D77431

Files:
  clang/test/Driver/x86-target-features.c


Index: clang/test/Driver/x86-target-features.c
===================================================================
--- clang/test/Driver/x86-target-features.c
+++ clang/test/Driver/x86-target-features.c
@@ -164,6 +164,13 @@
 // LVIHARDENING: "-target-feature" "+lvi-load-hardening" "-target-feature" "+lvi-cfi"
 // NO-LVIHARDENING-NOT: lvi
 
+// RUN: %clang -target i386-linux-gnu -mlvi-hardening -mspeculative-load-hardening %s -### -o %t.o 2>&1 | FileCheck -check-prefix=LVIHARDENING-SLH %s
+// LVIHARDENING-SLH: error: invalid argument 'mspeculative-load-hardening' not allowed with 'mlvi-hardening'
+// RUN: %clang -target i386-linux-gnu -mlvi-hardening -mretpoline %s -### -o %t.o 2>&1 | FileCheck -check-prefix=LVIHARDENING-RETPOLINE %s
+// LVIHARDENING-RETPOLINE: error: invalid argument 'mretpoline' not allowed with 'mlvi-hardening'
+// RUN: %clang -target i386-linux-gnu -mlvi-hardening -mretpoline-external-thunk %s -### -o %t.o 2>&1 | FileCheck -check-prefix=LVIHARDENING-RETPOLINE-EXTERNAL-THUNK %s
+// LVIHARDENING-RETPOLINE-EXTERNAL-THUNK: error: invalid argument 'mretpoline-external-thunk' not allowed with 'mlvi-hardening'
+
 // RUN: %clang -target i386-linux-gnu -mwaitpkg %s -### -o %t.o 2>&1 | FileCheck -check-prefix=WAITPKG %s
 // RUN: %clang -target i386-linux-gnu -mno-waitpkg %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-WAITPKG %s
 // WAITPKG: "-target-feature" "+waitpkg"


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