Default to Secure PLT on PPC for NetBSD and OpenBSD.

This matches the default settings of clang.

llvm-svn: 355038

Author: jsonn

llvm/lib/Target/PowerPC/PPCSubtarget.cpp

@@ -138,6 +138,9 @@ void PPCSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
   if (isDarwin())
     HasLazyResolverStubs = true;
 
+  if (TargetTriple.isOSNetBSD() || TargetTriple.isOSOpenBSD())
+    SecurePlt = true;
+
   if (HasSPE && IsPPC64)
     report_fatal_error( "SPE is only supported for 32-bit targets.\n", false);
   if (HasSPE && (HasAltivec || HasQPX || HasVSX || HasFPU))

llvm/test/CodeGen/PowerPC/ppc32-pic-large.ll

@@ -1,5 +1,9 @@
 ; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -relocation-model=pic | FileCheck -check-prefix=LARGE-BSS %s
 ; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -mattr=+secure-plt -relocation-model=pic | FileCheck -check-prefix=LARGE-SECUREPLT %s
+; RUN: llc < %s -mtriple=powerpc-unknown-netbsd -mattr=+secure-plt -relocation-model=pic | FileCheck -check-prefix=LARGE-SECUREPLT %s
+; RUN: llc < %s -mtriple=powerpc-unknown-netbsd -relocation-model=pic | FileCheck -check-prefix=LARGE-SECUREPLT %s
+; RUN: llc < %s -mtriple=powerpc-unknown-openbsd -mattr=+secure-plt -relocation-model=pic | FileCheck -check-prefix=LARGE-SECUREPLT %s
+; RUN: llc < %s -mtriple=powerpc-unknown-openbsd -relocation-model=pic | FileCheck -check-prefix=LARGE-SECUREPLT %s
 @bar = common global i32 0, align 4
 
 declare i32 @call_foo(i32, ...)