testcase for the recent inliner improvement.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28643 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 40 insertions, 0 deletions

diff --git a/test/Transforms/Inline/inline_prune.ll b/test/Transforms/Inline/inline_prune.ll
new file mode 100644
index 0000000..fdbdf83
--- /dev/null
+++ b/test/Transforms/Inline/inline_prune.ll
@@ -0,0 +1,40 @@
+; RUN: llvm-as < %s | opt -inline -disable-output &&
+; RUN: llvm-as < %s | opt -inline | llvm-dis | not grep 'callee[12](' &&
+; RUN: llvm-as < %s | opt -inline | llvm-dis | not grep mul
+
+implementation
+
+internal int %callee1(int %A, int %B) {
+	%cond = seteq int %A, 123
+	br bool %cond, label %T, label %F
+T:
+	%C = mul int %B, %B
+	ret int %C
+F:
+	ret int 0
+}
+
+internal int %callee2(int %A, int %B) {
+	switch int %A, label %T [
+          int 10, label %F
+          int 1234, label %G
+        ]
+	%cond = seteq int %A, 123
+	br bool %cond, label %T, label %F
+T:
+	%C = mul int %B, %B
+	ret int %C
+F:
+	ret int 0
+G:
+	%D = mul int %B, %B
+	%E = mul int %D, %B
+	ret int %E
+}
+
+int %test(int %A) {
+	%X = call int %callee1(int 10, int %A)
+	%Y = call int %callee2(int 10, int %A)
+	%Z = add int %X, %Y
+	ret int %Z
+}