From 3ae39f8ad150f689b359b172ef4bdc41f47e9981 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Thu, 11 Aug 2011 01:48:05 +0000
Subject: Fix X86TargetLowering::LowerExternalSymbol so that it actually works
 in non-trivial cases.  This hasn't been an issue before because the function
 isn't normally called (but apparently is used to generate a tail-call to
 sin() on ELF x86-32 with PIC and SSE2).

Fixes PR9693.

llvm-svn: 137292
---
 llvm/test/CodeGen/X86/tail-call-got.ll | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 llvm/test/CodeGen/X86/tail-call-got.ll

(limited to 'llvm/test/CodeGen/X86')

diff --git a/llvm/test/CodeGen/X86/tail-call-got.ll b/llvm/test/CodeGen/X86/tail-call-got.ll
new file mode 100644
index 00000000000..8910ee272db
--- /dev/null
+++ b/llvm/test/CodeGen/X86/tail-call-got.ll
@@ -0,0 +1,24 @@
+; RUN: llc < %s -relocation-model=pic | FileCheck %s
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
+target triple = "i386-unknown-freebsd9.0"
+
+define double @test1(double %x) nounwind readnone {
+; CHECK: test1:
+; CHECK: movl foo@GOT
+; CHECK-NEXT: jmpl
+  %1 = tail call double @foo(double %x) nounwind readnone
+  ret double %1
+}
+
+declare double @foo(double) readnone
+
+define double @test2(double %x) nounwind readnone {
+; CHECK: test2:
+; CHECK: movl sin@GOT
+; CHECK-NEXT: jmpl
+  %1 = tail call double @sin(double %x) nounwind readnone
+  ret double %1
+}
+
+declare double @sin(double) readnone
-- 
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