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-rw-r--r--test/Transforms/TailCallElim/setjmp.ll19
1 files changed, 16 insertions, 3 deletions
diff --git a/test/Transforms/TailCallElim/setjmp.ll b/test/Transforms/TailCallElim/setjmp.ll
index 7b7fe56..7ef9cb3 100644
--- a/test/Transforms/TailCallElim/setjmp.ll
+++ b/test/Transforms/TailCallElim/setjmp.ll
@@ -1,10 +1,14 @@
; RUN: opt < %s -tailcallelim -S | FileCheck %s
-; Test that we don't tail call in a functions that calls setjmp.
+; Test that we don't tail call in a functions that calls returns_twice
+; functions.
+declare void @bar()
+
+; CHECK: foo1
; CHECK-NOT: tail call void @bar()
-define void @foo(i32* %x) {
+define void @foo1(i32* %x) {
bb:
%tmp75 = tail call i32 @setjmp(i32* %x)
call void @bar()
@@ -13,4 +17,13 @@ bb:
declare i32 @setjmp(i32*)
-declare void @bar()
+; CHECK: foo2
+; CHECK-NOT: tail call void @bar()
+
+define void @foo2(i32* %x) {
+bb:
+ %tmp75 = tail call i32 @zed2(i32* %x)
+ call void @bar()
+ ret void
+}
+declare i32 @zed2(i32*) returns_twice
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