Rename the option in the pass added

Author: fzou1

llvm/lib/Target/X86/X86SuppressAPXForReloc.cpp

@@ -33,11 +33,11 @@ using namespace llvm;
 
 #define DEBUG_TYPE "x86-suppress-apx-for-relocation"
 
-static cl::opt<bool> X86SuppressAPXForReloc(
-    DEBUG_TYPE,
-    cl::desc("Suppress APX features (EGPR, NDD and NF) for instructions with "
+static cl::opt<bool> X86EnableAPXForRelocation(
+    "x86-enable-apx-for-relocation",
+    cl::desc("Enable APX features (EGPR, NDD and NF) for instructions with "
              "relocations on x86-64 ELF"),
-    cl::init(true));
+    cl::init(false));
 
 namespace {
 class X86SuppressAPXForRelocationPass : public MachineFunctionPass {
@@ -82,7 +82,7 @@ static void suppressEGPRRegClass(MachineFunction &MF, MachineInstr &MI,
 bool X86SuppressAPXForRelocationPass::runOnMachineFunction(
     MachineFunction &MF) {
   if (MF.getTarget().Options.MCOptions.X86APXRelaxRelocations ||
-      !X86SuppressAPXForReloc)
+      X86EnableAPXForRelocation)
     return false;
   const X86Subtarget &ST = MF.getSubtarget<X86Subtarget>();
   if (!ST.hasEGPR() && !ST.hasNDD() && !ST.hasNF())

llvm/test/CodeGen/X86/apx/tls.ll

@@ -18,7 +18,7 @@
 ; RUN: ld.lld  %t.o %t1.o -o %t.so
 ; RUN: llvm-objdump --no-print-imm-hex -dr %t.so | FileCheck %s --check-prefix=GOTTPOFF_LD_NOAPXRELAX
 
-; RUN: llc -mattr=+egpr %s -mtriple=x86_64 -filetype=obj -o %t.o -x86-suppress-apx-for-relocation=false
+; RUN: llc -mattr=+egpr %s -mtriple=x86_64 -filetype=obj -o %t.o -x86-enable-apx-for-relocation=true
 ; RUN: llvm-objdump --no-print-imm-hex -dr %t.o | FileCheck %s --check-prefix=GOTTPOFF_NOAPXRELAX_APXINSTR
 ; RUN: echo '.tbss; .globl b,c,d,e,f,g,h,i,j; b: .zero 4;c: .zero 4;d: .zero 4;e: .zero 4;f: .zero 4;g: .zero 4;h: .zero 4;i: .zero 4;j: .zero 4' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
 ; RUN: ld.lld  %t.o %t1.o -o %t.so