[clang] [lld] [llvm] [X86] Implement disabling APX relocations and EPGR/NDD instrs for relocations (PR #136660)

[Phoebe Wang via cfe-commits]

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@@ -1,44 +1,84 @@
 // REQUIRES: x86
-// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
+// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o -x86-apx-relax-relocations=true
 // RUN: ld.lld %t.o -o %t1
 // RUN: llvm-readobj -r %t1 | FileCheck --check-prefix=NORELOC %s
-// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t1 | FileCheck --check-prefix=DISASM %s
+// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn %t1 | FileCheck --check-prefixes=DISASM,APXRELAX %s
+
+// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
+// RUN: ld.lld %t.o -o %t1 --no-relax
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phoebewang wrote:

Why do we need to check no-relax?

https://github.com/llvm/llvm-project/pull/136660