Testcase the PPC backend is miscompiling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25216 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll b/test/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll
new file mode 100644 (file)
index 0000000..916f383
--- /dev/null
+++ b/test/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | llc &&
+; RUN: llvm-as < %s | llc | not grep ', f1'
+
+target endian = big
+target pointersize = 32
+target triple = "powerpc-apple-darwin8.2.0"
+
+; Dead argument should reserve an FP register.
+double %bar(double %DEAD, double %X, double %Y) {
+        %tmp.2 = add double %X, %Y
+        ret double %tmp.2
+}
+