From dbf6f518e9dd68f87814a6f989399f2e40ea9f86 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Sun, 8 Nov 2009 00:45:29 +0000
Subject: Fix the interpreter to not crash due to zeroext/signext

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86428 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/ExecutionEngine/interpreter-ext.ll | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 test/ExecutionEngine/interpreter-ext.ll

(limited to 'test')

diff --git a/test/ExecutionEngine/interpreter-ext.ll b/test/ExecutionEngine/interpreter-ext.ll
new file mode 100644
index 0000000..4aef45a
--- /dev/null
+++ b/test/ExecutionEngine/interpreter-ext.ll
@@ -0,0 +1,19 @@
+; RUN: lli -force-interpreter
+; Extending a value due to zeroext/signext will leave it the wrong size
+; causing problems later, such as a crash if you try to extend it again.
+
+define void @zero(i8 zeroext %foo) {
+  zext i8 %foo to i32
+  ret void
+}
+
+define void @sign(i8 signext %foo) {
+  sext i8 %foo to i32
+  ret void
+}
+
+define i32 @main() {
+  call void @zero(i8 0)
+  call void @sign(i8 0)
+  ret i32 0
+}
-- 
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