From ea60d3d9f241a3b24c08f9fb8ccb36f6302f2b66 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Sat, 15 Aug 2009 12:09:56 +0000
Subject: [PATCH] Add XFAIL test case for a scavenger assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79092 91177308-0d34-0410-b5e6-96231b3b80d8
---
.../Blackfin/2009-08-15-LiveIn-SubReg.ll | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll
diff --git a/test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll b/test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll
new file mode 100644
index 00000000000..3cf00cfd9bc
--- /dev/null
+++ b/test/CodeGen/Blackfin/2009-08-15-LiveIn-SubReg.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | llc -march=bfin -verify-machineinstrs
+; XFAIL: *
+
+; When joining live intervals of sub-registers, an MBB live-in list is not
+; updated properly. The register scavenger asserts on an undefined register.
+
+define i32 @foo(i8 %bar) {
+entry:
+ switch i8 %bar, label %bb1203 [
+ i8 117, label %bb1204
+ i8 85, label %bb1204
+ i8 106, label %bb1204
+ ]
+
+bb1203: ; preds = %entry
+ ret i32 1
+
+bb1204: ; preds = %entry, %entry, %entry
+ ret i32 2
+}