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authorStephen Hines <srhines@google.com>2012-09-10 16:47:31 -0700
committerStephen Hines <srhines@google.com>2012-09-10 16:47:31 -0700
commit1c4ad5ef4fab105f0c8af7edd026e00502fb6279 (patch)
treecb5bdfd58f776d00be450d0a5585f8f0186585da /test/Transforms/JumpThreading/select.ll
parentd62cdbe700ab288e9ad447824066edb7d17167d9 (diff)
parent1dc2591e9ef0730612902f94976ce85bed6859de (diff)
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Merge branch 'upstream' into merge-2012_09_10
Conflicts: lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp lib/Support/DynamicLibrary.cpp lib/Support/LockFileManager.cpp Change-Id: I91e94c3a7a76e19c688307c5a480a640a3bd2b7e
Diffstat (limited to 'test/Transforms/JumpThreading/select.ll')
-rw-r--r--test/Transforms/JumpThreading/select.ll36
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Transforms/JumpThreading/select.ll b/test/Transforms/JumpThreading/select.ll
index 8a81857..9676efe 100644
--- a/test/Transforms/JumpThreading/select.ll
+++ b/test/Transforms/JumpThreading/select.ll
@@ -121,3 +121,39 @@ L4:
call void @quux()
br label %L0
}
+
+; Make sure the edge value of %0 from entry to L2 includes 0 and L3 is
+; reachable.
+; CHECK: test_switch_default
+; CHECK: entry:
+; CHECK: load
+; CHECK: switch
+; CHECK: [[THREADED:[A-Za-z.0-9]+]]:
+; CHECK: store
+; CHECK: br
+; CHECK: L2:
+; CHECK: icmp
+define void @test_switch_default(i32* nocapture %status) nounwind {
+entry:
+ %0 = load i32* %status, align 4
+ switch i32 %0, label %L2 [
+ i32 5061, label %L1
+ i32 0, label %L2
+ ]
+
+L1:
+ store i32 10025, i32* %status, align 4
+ br label %L2
+
+L2:
+ %1 = load i32* %status, align 4
+ %cmp57.i = icmp eq i32 %1, 0
+ br i1 %cmp57.i, label %L3, label %L4
+
+L3:
+ store i32 10000, i32* %status, align 4
+ br label %L4
+
+L4:
+ ret void
+}