commit a052016ef2b1f0098acf61cf10df975350d1d63b
author Gabor Buella <gabor.buella@intel.com> Wed Apr 11 20:09:09 2018 +0000
committer Gabor Buella <gabor.buella@intel.com> Wed Apr 11 20:09:09 2018 +0000
tree 6648870c1652a6d9a823fc93731fbfe5f6261d6d
parent 2ef36f3571c83650f3e1bac42c810c289851d865

[x86] wbnoinvd intrinsic

The WBNOINVD instruction writes back all modified
cache lines in the processor’s internal cache to main memory
but does not invalidate (flush) the internal caches.

Reviewers: craig.topper, zvi, ashlykov

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D43817

llvm-svn: 329848

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

diff --git a/clang/test/Driver/x86-target-features.c b/clang/test/Driver/x86-target-features.c
index 530ba04..ccc2a62 100644
--- a/clang/test/Driver/x86-target-features.c
+++ b/clang/test/Driver/x86-target-features.c
@@ -60,6 +60,11 @@
 // CLWB: "-target-feature" "+clwb"
 // NO-CLWB: "-target-feature" "-clwb"
 
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mwbnoinvd %s -### -o %t.o 2>&1 | FileCheck -check-prefix=WBNOINVD %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-wbnoinvd %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-WBNOINVD %s
+// WBNOINVD: "-target-feature" "+wbnoinvd"
+// NO-WBNOINVD: "-target-feature" "-wbnoinvd"
+
 // RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mmovbe %s -### -o %t.o 2>&1 | FileCheck -check-prefix=MOVBE %s
 // RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mno-movbe %s -### -o %t.o 2>&1 | FileCheck -check-prefix=NO-MOVBE %s
 // MOVBE: "-target-feature" "+movbe"