From 71144973f3954ee03ffc2623539a60df227fc106 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 13 Mar 2009 18:37:06 +0000
Subject: Improve sext and zext of TLS variables.

llvm-svn: 66922
---
 llvm/test/CodeGen/X86/tls13.ll | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 llvm/test/CodeGen/X86/tls13.ll

(limited to 'llvm/test/CodeGen/X86/tls13.ll')

diff --git a/llvm/test/CodeGen/X86/tls13.ll b/llvm/test/CodeGen/X86/tls13.ll
new file mode 100644
index 00000000000..30894439855
--- /dev/null
+++ b/llvm/test/CodeGen/X86/tls13.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
+; RUN: grep {movswl	%gs:i@NTPOFF, %eax} %t
+; RUN: grep {movzwl	%gs:j@NTPOFF, %eax} %t
+
+@i = thread_local global i16 0
+@j = thread_local global i16 0
+
+define void @f() nounwind optsize {
+entry:
+        %0 = load i16* @i, align 2
+        %1 = sext i16 %0 to i32
+        tail call void @g(i32 %1) nounwind
+        %2 = load i16* @j, align 2
+        %3 = zext i16 %2 to i32
+        tail call void @h(i32 %3) nounwind
+        ret void
+}
+
+declare void @g(i32)
+
+declare void @h(i32)
-- 
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