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authordim <dim@FreeBSD.org>2011-06-12 15:42:51 +0000
committerdim <dim@FreeBSD.org>2011-06-12 15:42:51 +0000
commitece02cd5829cea836e9365b0845a8ef042d17b0a (patch)
treeb3032e51d630e8070e9e08d6641648f195316a80 /test/Transforms/TailCallElim/setjmp.ll
parent2b066988909948dc3d53d01760bc2d71d32f3feb (diff)
downloadFreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.zip
FreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.tar.gz
Vendor import of llvm trunk r132879:
http://llvm.org/svn/llvm-project/llvm/trunk@132879
Diffstat (limited to 'test/Transforms/TailCallElim/setjmp.ll')
-rw-r--r--test/Transforms/TailCallElim/setjmp.ll16
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/TailCallElim/setjmp.ll b/test/Transforms/TailCallElim/setjmp.ll
new file mode 100644
index 0000000..7b7fe56
--- /dev/null
+++ b/test/Transforms/TailCallElim/setjmp.ll
@@ -0,0 +1,16 @@
+; RUN: opt < %s -tailcallelim -S | FileCheck %s
+
+; Test that we don't tail call in a functions that calls setjmp.
+
+; CHECK-NOT: tail call void @bar()
+
+define void @foo(i32* %x) {
+bb:
+ %tmp75 = tail call i32 @setjmp(i32* %x)
+ call void @bar()
+ ret void
+}
+
+declare i32 @setjmp(i32*)
+
+declare void @bar()
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