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-rw-r--r--test/CodeGen/PowerPC/2008-06-23-LiveVariablesCrash.ll25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2008-06-23-LiveVariablesCrash.ll b/test/CodeGen/PowerPC/2008-06-23-LiveVariablesCrash.ll
new file mode 100644
index 0000000000..d3238d23c0
--- /dev/null
+++ b/test/CodeGen/PowerPC/2008-06-23-LiveVariablesCrash.ll
@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s | llc -march=ppc32
+; <rdar://problem/6020042>
+
+define i32 @bork() nounwind {
+entry:
+ br i1 true, label %bb1, label %bb3
+
+bb1:
+ %tmp1 = load i8* null, align 1
+ %tmp2 = icmp eq i8 %tmp1, 0
+ br label %bb2
+
+bb2:
+ %val1 = phi i32 [ 0, %bb1 ], [ %val2, %bb2 ]
+ %val2 = select i1 %tmp2, i32 -1, i32 %val1
+ switch i32 %val2, label %bb2 [
+ i32 -1, label %bb3
+ i32 0, label %bb1
+ i32 1, label %bb3
+ i32 2, label %bb1
+ ]
+
+bb3:
+ ret i32 -1
+}