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authorDevang Patel <dpatel@apple.com>2010-03-19 21:06:24 +0000
committerDevang Patel <dpatel@apple.com>2010-03-19 21:06:24 +0000
commit608f5a6d48b18eaa52dddf2e20d475b55c24ede6 (patch)
tree2f03e2a6ea7ec221630a95a0c0d8269ee5c047b4 /test
parent5a129712465fc433d5b2b1d70a8839ec25ce8e9d (diff)
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call void @llvm.dbg.declare(metadata !{i32* null}, metadata !1)
is valid, but not useful, when variable identified by !1 is optimized away by the optimizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98986 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/DebugInfo/2010-03-19-DbgDeclare.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/DebugInfo/2010-03-19-DbgDeclare.ll b/test/DebugInfo/2010-03-19-DbgDeclare.ll
new file mode 100644
index 0000000000..1f7a889c7d
--- /dev/null
+++ b/test/DebugInfo/2010-03-19-DbgDeclare.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -verify -disable-output
+
+define void @Foo(i32 %a, i32 %b) {
+entry:
+ call void @llvm.dbg.declare(metadata !{i32* null}, metadata !1)
+ ret void
+}
+
+!0 = metadata !{i32 662302, i32 26, metadata !1, null}
+!1 = metadata !{i32 4, metadata !"foo"}
+
+declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone