[PATCH] D11777: [Target/X86] Allow LowerVAARG to work on FreeBSD, too.

[Charles Davis]

cdavis5x created this revision.
cdavis5x added a reviewer: emaste.
cdavis5x added a subscriber: llvm-commits.

This change enables the `va_arg` instruction to work on
FreeBSD/amd64, too. It's needed to prevent test failures after D1622
lands. Since FreeBSD/amd64 largely follows the System V ABI for x86-64
(like Linux/x86-64), I don't see any reason why this wouldn't work.

http://reviews.llvm.org/D11777

Files:
  lib/Target/X86/X86ISelLowering.cpp

Index: lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- lib/Target/X86/X86ISelLowering.cpp
+++ lib/Target/X86/X86ISelLowering.cpp
@@ -15046,6 +15046,7 @@
   assert(Subtarget->is64Bit() &&
          "LowerVAARG only handles 64-bit va_arg!");
   assert((Subtarget->isTargetLinux() ||
+          Subtarget->isTargetFreeBSD() ||
           Subtarget->isTargetDarwin()) &&
           "Unhandled target in LowerVAARG");
   assert(Op.getNode()->getNumOperands() == 4);


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