From f5add58549fe8ecd9a15cbb7c230282bd693516b Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 20 Jan 2009 01:06:45 +0000
Subject: Fix a dagcombine to not generate loads of non-round integer types, as
 its comment says, even in the case where it will be generating extending
 loads. This fixes PR3216.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62557 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/pr3216.ll | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 test/CodeGen/X86/pr3216.ll

(limited to 'test/CodeGen')

diff --git a/test/CodeGen/X86/pr3216.ll b/test/CodeGen/X86/pr3216.ll
new file mode 100644
index 0000000..fdc814e
--- /dev/null
+++ b/test/CodeGen/X86/pr3216.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep {sar.	\$5}
+
+@foo = global i8 127
+
+define i32 @main() nounwind {
+entry:
+        %tmp = load i8* @foo
+        %bf.lo = lshr i8 %tmp, 5
+        %bf.lo.cleared = and i8 %bf.lo, 7
+        %0 = shl i8 %bf.lo.cleared, 5
+        %bf.val.sext = ashr i8 %0, 5
+        %conv = sext i8 %bf.val.sext to i32
+        ret i32 %conv
+}
-- 
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