Test the new 64bit i64<->fp functionality

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23251 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/i64_fp.ll b/test/CodeGen/PowerPC/i64_fp.ll
new file mode 100644 (file)
index 0000000..54ccab4
--- /dev/null
+++ b/test/CodeGen/PowerPC/i64_fp.ll
@@ -0,0 +1,17 @@
+; fcfid and fctid should be generated when the 64bit feature is enabled, but not 
+; otherwise.
+
+; RUN: llvm-as < %s | llc -march=ppc32 -mattr=+64bit | grep 'fcfid' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mattr=+64bit | grep 'fctidz' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep 'fcfid' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep 'fctidz' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mattr=-64bit | not grep 'fcfid' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mattr=-64bit | not grep 'fctidz' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g4 | not grep 'fcfid' &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g4 | not grep 'fctidz'
+
+double %X(double %Y) {
+    %A = cast double %Y to long
+    %B = cast long %A to double
+       ret double %B
+}