New test cases for bit accurate integers developed by Guoling Han.

llvm-svn: 33259

1 files changed, 18 insertions, 0 deletions

diff --git a/llvm/test/Integer/fold-fpcast_bt.ll b/llvm/test/Integer/fold-fpcast_bt.ll
new file mode 100644
index 00000000000..71823ab1461
--- /dev/null
+++ b/llvm/test/Integer/fold-fpcast_bt.ll
@@ -0,0 +1,18 @@
+; RUN: llvm-as < %s | llvm-dis | not grep bitcast
+
+define i60 %test1() {
+   ret i60 fptoui(float 3.7 to i60)
+}
+
+define float %test2() {
+  ret float uitofp(i60 17 to float)
+}
+
+define i64 %test3() {
+  ret i64 bitcast (double 3.1415926 to i64)
+}
+
+define double %test4() {
+  ret double bitcast (i64 42 to double)
+}
+