From c8613c9089b064652a508041db9ce56fb275e94c Mon Sep 17 00:00:00 2001
From: Meador Inge <meadori@codesourcery.com>
Date: Thu, 27 Sep 2012 21:21:25 +0000
Subject: instcombine: Add more test cases for __memmove_chk simplification

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164798 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/InstCombine/memmove_chk-2.ll | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 test/Transforms/InstCombine/memmove_chk-2.ll

(limited to 'test/Transforms/InstCombine/memmove_chk-2.ll')

diff --git a/test/Transforms/InstCombine/memmove_chk-2.ll b/test/Transforms/InstCombine/memmove_chk-2.ll
new file mode 100644
index 0000000000..f0a915fde2
--- /dev/null
+++ b/test/Transforms/InstCombine/memmove_chk-2.ll
@@ -0,0 +1,24 @@
+; Test that lib call simplification doesn't simplify __memmove_chk calls
+; with the wrong prototype.
+;
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
+
+%struct.T1 = type { [100 x i32], [100 x i32], [1024 x i8] }
+%struct.T2 = type { [100 x i32], [100 x i32], [1024 x i8] }
+
+@t1 = common global %struct.T1 zeroinitializer
+@t2 = common global %struct.T2 zeroinitializer
+
+define void @test_no_simplify() {
+; CHECK: @test_no_simplify
+  %dst = bitcast %struct.T1* @t1 to i8*
+  %src = bitcast %struct.T2* @t2 to i8*
+
+; CHECK-NEXT: call i8* @__memmove_chk
+  call i8* @__memmove_chk(i8* %dst, i8* %src, i64 1824)
+  ret void
+}
+
+declare i8* @__memmove_chk(i8*, i8*, i64)
-- 
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