From 62ad138d7033e207842337c9fb909f70e32b14ea Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 14 Apr 2009 22:45:05 +0000
Subject: For the h-register addressing-mode trick, use the correct value for
 any non-address uses of the address value. This fixes 186.crafty.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69094 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/h-registers-2.ll | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 test/CodeGen/X86/h-registers-2.ll

(limited to 'test/CodeGen/X86/h-registers-2.ll')

diff --git a/test/CodeGen/X86/h-registers-2.ll b/test/CodeGen/X86/h-registers-2.ll
new file mode 100644
index 0000000..12236a2
--- /dev/null
+++ b/test/CodeGen/X86/h-registers-2.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | llc -march=x86 > %t
+; grep {movzbl	%\[abcd\]h,} %t | count 1
+; grep {shll	\$3,} | count 1
+
+; Use an h register, but don't omit the explicit shift for
+; non-address use(s).
+
+define i32 @foo(i8* %x, i32 %y) nounwind {
+	%t0 = lshr i32 %y, 8		; <i32> [#uses=1]
+	%t1 = and i32 %t0, 255		; <i32> [#uses=2]
+        %t2 = shl i32 %t1, 3
+	%t3 = getelementptr i8* %x, i32 %t2		; <i8*> [#uses=1]
+	store i8 77, i8* %t3, align 4
+	ret i32 %t2
+}
-- 
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