From 1314b00cf2edc49c24c814e66f3fad62a5da40e8 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Thu, 13 Dec 2007 00:43:27 +0000
Subject: Fold some and + shift in x86 addressing mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44970 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/fold-and-shift.ll | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 test/CodeGen/X86/fold-and-shift.ll

(limited to 'test/CodeGen/X86/fold-and-shift.ll')

diff --git a/test/CodeGen/X86/fold-and-shift.ll b/test/CodeGen/X86/fold-and-shift.ll
new file mode 100644
index 0000000..705b795
--- /dev/null
+++ b/test/CodeGen/X86/fold-and-shift.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | llc -march=x86 | not grep and
+
+define i32 @t1(i8* %X, i32 %i) {
+entry:
+	%tmp2 = shl i32 %i, 2		; <i32> [#uses=1]
+	%tmp4 = and i32 %tmp2, 1020		; <i32> [#uses=1]
+	%tmp7 = getelementptr i8* %X, i32 %tmp4		; <i8*> [#uses=1]
+	%tmp78 = bitcast i8* %tmp7 to i32*		; <i32*> [#uses=1]
+	%tmp9 = load i32* %tmp78, align 4		; <i32> [#uses=1]
+	ret i32 %tmp9
+}
+
+define i32 @t2(i16* %X, i32 %i) {
+entry:
+	%tmp2 = shl i32 %i, 1		; <i32> [#uses=1]
+	%tmp4 = and i32 %tmp2, 131070		; <i32> [#uses=1]
+	%tmp7 = getelementptr i16* %X, i32 %tmp4		; <i16*> [#uses=1]
+	%tmp78 = bitcast i16* %tmp7 to i32*		; <i32*> [#uses=1]
+	%tmp9 = load i32* %tmp78, align 4		; <i32> [#uses=1]
+	ret i32 %tmp9
+}
-- 
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