new testcase. @foo should be marked fastcc by globalopt

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34607 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/GlobalOpt/constantexpr-dangle.ll b/test/Transforms/GlobalOpt/constantexpr-dangle.ll
new file mode 100644 (file)
index 0000000..89ce1ee
--- /dev/null
+++ b/test/Transforms/GlobalOpt/constantexpr-dangle.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | opt -instcombine -globalopt | llvm-dis | grep 'internal fastcc float @foo'
+define internal float @foo() {
+        ret float 0.000000e+00
+}
+
+define float @bar() {
+        %tmp1 = call float (...)* bitcast (float ()* @foo to float (...)*)( )
+        %tmp2 = mul float %tmp1, 1.000000e+01           ; <float> [#uses=1]
+        ret float %tmp2
+}
+