Add ppc-specific test for better i64 compare codegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34082 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/long-compare.ll b/test/CodeGen/PowerPC/long-compare.ll
new file mode 100644 (file)
index 0000000..8dc5ae1
--- /dev/null
+++ b/test/CodeGen/PowerPC/long-compare.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=ppc32 | grep cntlzw &&
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep xori &&
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep 'li ' &&
+; RUN: llvm-as < %s | llc -march=ppc32 | not grep 'mr '
+
+define i1 @test(i64 %x) {
+  %tmp = icmp ult i64 %x, 4294967296
+  ret i1 %tmp
+}