From ae10dd2859a3729e3518f043cf252dc8676ed165 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Wed, 16 Nov 2011 03:49:48 +0000
Subject: Merge isObjectPointerWithTrustworthySize with getPointerSize. Use it
 when looking at the size of the pointee. Fixes PR11390!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144773 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/DeadStoreElimination/pr11390.ll | 38 +++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 test/Transforms/DeadStoreElimination/pr11390.ll

(limited to 'test/Transforms/DeadStoreElimination')

diff --git a/test/Transforms/DeadStoreElimination/pr11390.ll b/test/Transforms/DeadStoreElimination/pr11390.ll
new file mode 100644
index 0000000..fc58fc9
--- /dev/null
+++ b/test/Transforms/DeadStoreElimination/pr11390.ll
@@ -0,0 +1,38 @@
+; RUN: opt -basicaa -dse -S -o - | FileCheck %s
+; PR11390
+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-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define fastcc void @cat_domain(i8* nocapture %name, i8* nocapture %domain, i8** 
+nocapture %s) nounwind uwtable {
+entry:
+  %call = tail call i64 @strlen(i8* %name) nounwind readonly
+  %call1 = tail call i64 @strlen(i8* %domain) nounwind readonly
+  %add = add i64 %call, 1
+  %add2 = add i64 %add, %call1
+  %add3 = add i64 %add2, 1
+  %call4 = tail call noalias i8* @malloc(i64 %add3) nounwind
+  store i8* %call4, i8** %s, align 8
+  %tobool = icmp eq i8* %call4, null
+  br i1 %tobool, label %return, label %if.end
+
+if.end:                                           ; preds = %entry
+  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %call4, i8* %name, i64 %call, i32 1, i1 false)
+  %arrayidx = getelementptr inbounds i8* %call4, i64 %call
+  store i8 46, i8* %arrayidx, align 1
+; CHECK: store i8 46
+  %add.ptr5 = getelementptr inbounds i8* %call4, i64 %add
+  tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %add.ptr5, i8* %domain, i64 %call1, i32 1, i1 false)
+  %arrayidx8 = getelementptr inbounds i8* %call4, i64 %add2
+  store i8 0, i8* %arrayidx8, align 1
+  br label %return
+
+return:                                           ; preds = %if.end, %entry
+  ret void
+}
+
+declare i64 @strlen(i8* nocapture) nounwind readonly
+
+declare noalias i8* @malloc(i64) nounwind
+
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
-- 
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