Enable code object v3 codgen when compiling with HCC (#1836)

Change-Id: I590c05a418cc37ec247b89124cef17a7fe8b27e2

hipamd/bin/hipcc

@@ -346,6 +346,7 @@ my $runCmd = 1;
 my $buildDeps = 0;
 my $linkType = 1;
 my $setLinkType = 0;
+my $coFormatv3 = 1;
 
 my @options = ();
 my @inputs  = ();
@@ -427,6 +428,14 @@ foreach $arg (@ARGV)
          }
     }
 
+    # code object format parsing
+    if ($trimarg eq '-mcode-object-v3') {
+        $coFormatv3 = 1;
+    }
+    if ($trimarg eq '-mno-code-object-v3') {
+        $coFormatv3 = 0;
+    }
+
     if (($arg =~ /--genco/) and $HIP_PLATFORM eq 'clang' ) {
         $arg = "--cuda-device-only";
     }
@@ -671,6 +680,13 @@ if($HIP_PLATFORM eq "hcc" or $HIP_PLATFORM eq "clang"){
     $ENV{HCC_EXTRA_LIBRARIES}="\n";
 }
 
+# hcc defaults to v2, so we need to convert to the appropriate flag
+# hip-clang defaults to v3, so we don't need to do anything
+if ($coFormatv3 and $HIP_PLATFORM eq 'hcc') {
+    $HIPLDFLAGS .= " -mcode-object-v3";
+    $HIPCXXFLAGS .= " -mcode-object-v3";
+}
+
 if ($hasC and $HIP_PLATFORM eq 'nvcc') {
     $HIPCXXFLAGS .= " -x cu";
 }