From 0d8b0cf3b850d1f627e16bbf890ec43df1021ed9 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 21 Jul 2009 00:31:12 +0000
Subject: Fix ARM isle code that optimize multiply by constants which are
 power-of-2 +/- 1.

llvm-svn: 76520
---
 llvm/test/CodeGen/ARM/mul_const.ll | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 llvm/test/CodeGen/ARM/mul_const.ll

(limited to 'llvm/test/CodeGen/ARM/mul_const.ll')

diff --git a/llvm/test/CodeGen/ARM/mul_const.ll b/llvm/test/CodeGen/ARM/mul_const.ll
new file mode 100644
index 00000000000..f5ace1852a4
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/mul_const.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | llc -march=arm | FileCheck %s
+
+define i32 @t1(i32 %v) nounwind readnone {
+entry:
+; CHECK: t1:
+; CHECK: add r0, r0, r0, lsl #3
+	%0 = mul i32 %v, 9
+	ret i32 %0
+}
+
+define i32 @t2(i32 %v) nounwind readnone {
+entry:
+; CHECK: t2:
+; CHECK: rsb r0, r0, r0, lsl #3
+	%0 = mul i32 %v, 7
+	ret i32 %0
+}
-- 
cgit v1.2.3