Emit integer x<1 as x<=0, as comparisons with zero (now includeing
64-bit) can use test instead of cmp with an immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42026 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/cmp1.ll b/test/CodeGen/X86/cmp1.ll
new file mode 100644
index 0000000..241618c
--- /dev/null
+++ b/test/CodeGen/X86/cmp1.ll
@@ -0,0 +1,7 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep -v cmp
+
+define i64 @foo(i64 %x) {
+  %t = icmp slt i64 %x, 1
+  %r = zext i1 %t to i64
+  ret i64 %r
+}