From 6b1419b547d2d5ee523250efd60ccc3d6ce8279c Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Fri, 2 Mar 2018 18:19:40 +0000
Subject: [X86] Reject xmm16-31 in inline asm constraints when AVX512 is
 disabled

Fixes PR36532

Differential Revision: https://reviews.llvm.org/D43960

llvm-svn: 326596
---
 llvm/test/CodeGen/X86/asm-reject-xmm16.ll | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 llvm/test/CodeGen/X86/asm-reject-xmm16.ll

(limited to 'llvm/test/CodeGen')

diff --git a/llvm/test/CodeGen/X86/asm-reject-xmm16.ll b/llvm/test/CodeGen/X86/asm-reject-xmm16.ll
new file mode 100644
index 00000000000..eee0064c964
--- /dev/null
+++ b/llvm/test/CodeGen/X86/asm-reject-xmm16.ll
@@ -0,0 +1,8 @@
+; RUN: not llc -o /dev/null %s 2>&1 | FileCheck %s
+target triple = "x86_64--"
+
+; CHECK: error: couldn't allocate output register for constraint '{xmm16}'
+define i64 @blup() {
+  %v = tail call i64 asm "", "={xmm16},0"(i64 0)
+  ret i64 %v
+}
-- 
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