[PATCH] D100937: [ARM][Driver][Windows] Allow command-line upgrade to Armv8.

[Simon Tatham via Phabricator via cfe-commits]

simon_tatham updated this revision to Diff 339161.
simon_tatham added a comment.

Added a unit test on the LLVM side.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100937/new/

https://reviews.llvm.org/D100937

Files:
  clang/test/Driver/woa-crypto.c
  llvm/lib/Support/Triple.cpp
  llvm/unittests/ADT/TripleTest.cpp


Index: llvm/unittests/ADT/TripleTest.cpp
===================================================================
--- llvm/unittests/ADT/TripleTest.cpp
+++ llvm/unittests/ADT/TripleTest.cpp
@@ -1511,6 +1511,7 @@
   {
     llvm::Triple Triple("arm--win32");
     EXPECT_EQ("cortex-a9", Triple.getARMCPUForArch());
+    EXPECT_EQ("generic", Triple.getARMCPUForArch("armv8-a"));
   }
   // Some alternative architectures
   {
Index: llvm/lib/Support/Triple.cpp
===================================================================
--- llvm/lib/Support/Triple.cpp
+++ llvm/lib/Support/Triple.cpp
@@ -1716,7 +1716,9 @@
     break;
   case llvm::Triple::Win32:
     // FIXME: this is invalid for WindowsCE
-    return "cortex-a9";
+    if (ARM::parseArchVersion(MArch) <= 7)
+      return "cortex-a9";
+    break;
   case llvm::Triple::IOS:
   case llvm::Triple::MacOSX:
   case llvm::Triple::TvOS:
Index: clang/test/Driver/woa-crypto.c
===================================================================
--- /dev/null
+++ clang/test/Driver/woa-crypto.c
@@ -0,0 +1,6 @@
+// RUN: %clang -target arm-windows-msvc                       -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-DEFAULT
+// RUN: %clang -target arm-windows-msvc -march=armv8-a+crypto -### -S %s -O0 -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-CRYPTO
+
+// CHECK-DEFAULT: "-target-cpu" "cortex-a9"
+// CHECK-CRYPTO: "-target-cpu" "generic"
+// CHECK-CRYPTO: "-target-feature" "+crypto"


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