From: Chris Lattner <sabre@nondot.org>
Date: Fri, 30 Jan 2004 22:18:47 +0000 (+0000)
Subject: New testcase for better mod/ref information that basicaa can provide
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7f430a50492e8ff617975126ca615107b6ae5321;p=oota-llvm.git

New testcase for better mod/ref information that basicaa can provide


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11023 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Analysis/BasicAA/2004-01-29-InvariantMemory.llx b/test/Analysis/BasicAA/2004-01-29-InvariantMemory.llx
new file mode 100644
index 00000000000..cfc4c480cf4
--- /dev/null
+++ b/test/Analysis/BasicAA/2004-01-29-InvariantMemory.llx
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -load-vn -gcse -instcombine | llvm-dis | not grep load
+
+%X = constant [2 x int] [int 4, int 5]
+
+int %test(int* %Y, long %idx) {
+        %P = getelementptr [2 x int]* %X, long 0, long %idx
+	%A = load int* %P      ; Load from invariant memory
+	store int 4, int* %Y   ; Store could not be to %X
+	%B = load int* %P
+	%C = sub int %A, %B
+	ret int %C
+}
diff --git a/test/Transforms/BasicAA/2004-01-29-InvariantMemory.llx b/test/Transforms/BasicAA/2004-01-29-InvariantMemory.llx
new file mode 100644
index 00000000000..cfc4c480cf4
--- /dev/null
+++ b/test/Transforms/BasicAA/2004-01-29-InvariantMemory.llx
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -load-vn -gcse -instcombine | llvm-dis | not grep load
+
+%X = constant [2 x int] [int 4, int 5]
+
+int %test(int* %Y, long %idx) {
+        %P = getelementptr [2 x int]* %X, long 0, long %idx
+	%A = load int* %P      ; Load from invariant memory
+	store int 4, int* %Y   ; Store could not be to %X
+	%B = load int* %P
+	%C = sub int %A, %B
+	ret int %C
+}