From: Chris Lattner <sabre@nondot.org>
Date: Sat, 22 Feb 2003 22:20:19 +0000 (+0000)
Subject: New testcase to check to see if LICM is performing scalar promotion
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=96d20c57f3617af218e8aab6f0d69279e63ab9c1;p=oota-llvm.git

New testcase to check to see if LICM is performing scalar promotion


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5607 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Transforms/LICM/scalar_promote.ll b/test/Transforms/LICM/scalar_promote.ll
new file mode 100644
index 00000000000..817492e2d99
--- /dev/null
+++ b/test/Transforms/LICM/scalar_promote.ll
@@ -0,0 +1,21 @@
+; RUN: as < %s | opt  -licm -stats 2>&1 | grep "memory locations promoted to register"
+
+%X = global int 7
+
+void %testfunc(int %i) {
+	br label %Loop
+
+Loop:
+	%j = phi uint [0, %0], [%Next, %Loop]
+
+	%x = load int* %X  ; Should promote this to a register inside of loop!
+	%x2 = add int %x, 1
+	store int %x2, int* %X
+
+	%Next = add uint %j, 1
+	%cond = seteq uint %Next, 0
+	br bool %cond, label %Out, label %Loop
+
+Out:
+	ret void
+}