From: Chris Lattner <sabre@nondot.org>
Date: Mon, 15 Jan 2007 06:51:25 +0000 (+0000)
Subject: add a simple case where instcombine can detect and remove a dead alloca
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8d14221224e7f76103c410f758dbedae09f3df0a;p=oota-llvm.git

add a simple case where instcombine can detect and remove a dead alloca


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33230 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/InstCombine/alloca.ll b/test/Transforms/InstCombine/alloca.ll
index c5d78182297..8ce7b65b0c0 100644
--- a/test/Transforms/InstCombine/alloca.ll
+++ b/test/Transforms/InstCombine/alloca.ll
@@ -12,3 +12,16 @@ void %test() {
 	call void(...)* %use({}* %Z)
 	ret void
 }
+
+void %test2() {
+	%A = alloca int    ;; dead.
+	store int 123, int* %A
+	ret void
+}
+
+void %test3() {
+	%A = alloca {int}    ;; dead.
+	%B = getelementptr {int}* %A, int 0, uint 0
+	store int 123, int* %B
+	ret void
+}