From 1ef4d8f7ee60f724eff2175ed22f75a60eb8d50d Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Wed, 21 Jan 2009 14:50:16 +0000
Subject: Fix a recent regression. ClrOpcode is not set for i8; for i8, if we
 want to clear %ah to zero before a division, just use a zero-extending mov to
 %al. This fixes PR3366.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62691 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/pr3366.ll | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 test/CodeGen/X86/pr3366.ll

(limited to 'test')

diff --git a/test/CodeGen/X86/pr3366.ll b/test/CodeGen/X86/pr3366.ll
new file mode 100644
index 0000000..a6f3e92
--- /dev/null
+++ b/test/CodeGen/X86/pr3366.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep movzbl
+; PR3366
+
+define void @_ada_c34002a() nounwind {
+entry:
+  %0 = load i8* null, align 1
+  %1 = sdiv i8 90, %0
+  %2 = icmp ne i8 %1, 3
+  %3 = zext i1 %2 to i8
+  %toBool449 = icmp ne i8 %3, 0
+  %4 = or i1 false, %toBool449
+  %5 = zext i1 %4 to i8
+  %toBool450 = icmp ne i8 %5, 0
+  br i1 %toBool450, label %bb451, label %bb457
+
+bb451:
+  br label %bb457
+
+bb457:
+  unreachable
+}
-- 
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