From 4b429fcf25b96a4c191420ca715057c0d9686ef3 Mon Sep 17 00:00:00 2001
From: Andrew Lenharth <andrewl@lenharth.org>
Date: Fri, 22 Jul 2005 21:53:35 +0000
Subject: [PATCH] make sure we always handle small negatives well

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22503 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/Alpha/i32_sub_1.ll | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 test/CodeGen/Alpha/i32_sub_1.ll

diff --git a/test/CodeGen/Alpha/i32_sub_1.ll b/test/CodeGen/Alpha/i32_sub_1.ll
new file mode 100644
index 00000000000..ea6ab9299cd
--- /dev/null
+++ b/test/CodeGen/Alpha/i32_sub_1.ll
@@ -0,0 +1,10 @@
+; Make sure this testcase codegens to the ctpop instruction
+; RUN: llvm-as < %s | llc -march=alpha | grep -i 'subl $16,1,$0'
+
+implementation   ; Functions:
+
+int %foo(int %x) {
+entry:
+	%tmp.1 = add int %x, -1		; <int> [#uses=1]
+	ret int %tmp.1
+}