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authorVenkatraman Govindaraju <venkatra@cs.wisc.edu>2011-12-03 21:24:48 +0000
committerVenkatraman Govindaraju <venkatra@cs.wisc.edu>2011-12-03 21:24:48 +0000
commit80b1ae92922202c197078038c4229045cb1e295f (patch)
treeb557d016591441b756c955a08d233f47a77b77ec /test/CodeGen/SPARC
parenta86bfc1071f7e05631e0af81e2c6249f552c9ec5 (diff)
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Sparc CodeGen: Fix AnalyzeBranch for PR 10282. Removing addSuccessor() since
AnalyzeBranch doesn't change the successor, just the order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145779 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SPARC')
-rw-r--r--test/CodeGen/SPARC/2011-12-03-TailDuplication.ll25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/SPARC/2011-12-03-TailDuplication.ll b/test/CodeGen/SPARC/2011-12-03-TailDuplication.ll
new file mode 100644
index 0000000000..aa7de1618e
--- /dev/null
+++ b/test/CodeGen/SPARC/2011-12-03-TailDuplication.ll
@@ -0,0 +1,25 @@
+; RUN: llc -march=sparc <%s
+
+define void @foo(i32 %a) nounwind {
+entry:
+ br i1 undef, label %return, label %else.0
+
+else.0:
+ br i1 undef, label %if.end.0, label %return
+
+if.end.0:
+ br i1 undef, label %if.then.1, label %else.1
+
+else.1:
+ %0 = bitcast i8* undef to i8**
+ br label %else.1.2
+
+if.then.1:
+ br i1 undef, label %return, label %return
+
+else.1.2:
+ br i1 undef, label %return, label %return
+
+return:
+ ret void
+}