From 08bad54baf244ea0d0835b729db2b3754156683d Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 21 Sep 2010 03:37:00 +0000
Subject: fix rdar://8453210, a crash handling a call through a GS relative
 load. For now, just disable folding the load into the call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114386 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/movgs.ll | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

(limited to 'test')

diff --git a/test/CodeGen/X86/movgs.ll b/test/CodeGen/X86/movgs.ll
index b04048b92c..ed201f36e9 100644
--- a/test/CodeGen/X86/movgs.ll
+++ b/test/CodeGen/X86/movgs.ll
@@ -1,8 +1,35 @@
-; RUN: llc < %s -march=x86 | grep gs
+; RUN: llc < %s -march=x86 | FileCheck %s --check-prefix=X32
+; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=X64
 
-define i32 @foo() nounwind readonly {
+define i32 @test1() nounwind readonly {
 entry:
 	%tmp = load i32* addrspace(256)* getelementptr (i32* addrspace(256)* inttoptr (i32 72 to i32* addrspace(256)*), i32 31)		; <i32*> [#uses=1]
 	%tmp1 = load i32* %tmp		; <i32> [#uses=1]
 	ret i32 %tmp1
 }
+; X32: test1:
+; X32: 	movl	%gs:196, %eax
+; X32: 	movl	(%eax), %eax
+; X32: 	ret
+
+; X64: test1:
+; X64: 	movq	%gs:320, %rax
+; X64: 	movl	(%rax), %eax
+; X64: 	ret
+
+define i64 @test2(void (i8*)* addrspace(256)* %tmp8) nounwind {
+entry:
+  %tmp9 = load void (i8*)* addrspace(256)* %tmp8, align 8
+  tail call void %tmp9(i8* undef) nounwind optsize
+  ret i64 0
+}
+
+; rdar://8453210
+; X32: test2:
+; X32: movl	%gs:(%eax), %eax
+; X32: movl	%eax, (%esp)
+; X32: call	*%eax
+
+; X64: test2:
+; X64: movq	%gs:(%rdi), %rax
+; X64: callq	*%rax
-- 
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