From 08f998f08d72fbb95209d90f911af628b9b8d308 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 29 Jul 2004 01:33:05 +0000 Subject: Due to a bug in BasicAA, DSE is incorrectly deleting the first store in this testcase, causing the miscompilation of MallocBench/gs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15315 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx | 10 ++++++++++ test/Transforms/BasicAA/2004-07-28-MustAliasbug.llx | 10 ++++++++++ 2 files changed, 20 insertions(+) create mode 100644 test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx create mode 100644 test/Transforms/BasicAA/2004-07-28-MustAliasbug.llx (limited to 'test') diff --git a/test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx b/test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx new file mode 100644 index 0000000000..d1cf73b6ab --- /dev/null +++ b/test/Analysis/BasicAA/2004-07-28-MustAliasbug.llx @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | opt -dse | llvm-dis | grep 'store int 0' + +void %test({int,int }* %P) { + %Q = getelementptr {int,int}* %P, int 1 + %X = getelementptr {int,int}* %Q, int 0, uint 1 + %Y = getelementptr {int,int}* %Q, int 1, uint 1 + store int 0, int* %X + store int 1, int* %Y + ret void +} diff --git a/test/Transforms/BasicAA/2004-07-28-MustAliasbug.llx b/test/Transforms/BasicAA/2004-07-28-MustAliasbug.llx new file mode 100644 index 0000000000..d1cf73b6ab --- /dev/null +++ b/test/Transforms/BasicAA/2004-07-28-MustAliasbug.llx @@ -0,0 +1,10 @@ +; RUN: llvm-as < %s | opt -dse | llvm-dis | grep 'store int 0' + +void %test({int,int }* %P) { + %Q = getelementptr {int,int}* %P, int 1 + %X = getelementptr {int,int}* %Q, int 0, uint 1 + %Y = getelementptr {int,int}* %Q, int 1, uint 1 + store int 0, int* %X + store int 1, int* %Y + ret void +} -- cgit v1.2.3