Re-enable the CMN instruction.

[oota-llvm.git] / test / CodeGen / ARM / cmn.ll

diff --git a/test/CodeGen/ARM/cmn.ll b/test/CodeGen/ARM/cmn.ll
new file mode 100644 (file)
index 0000000..ef73165
--- /dev/null
+++ b/test/CodeGen/ARM/cmn.ll
@@ -0,0 +1,22 @@
+; RUN: llc < %s -mtriple thumbv7-apple-ios | FileCheck %s
+; <rdar://problem/7569620>
+
+define i32 @compare_i_gt(i32 %a) {
+entry:
+; CHECK:     compare_i_gt
+; CHECK-NOT: mvn
+; CHECK:     cmn
+  %cmp = icmp sgt i32 %a, -78
+  %. = zext i1 %cmp to i32
+  ret i32 %.
+}
+
+define i32 @compare_r_eq(i32 %a, i32 %b) {
+entry:
+; CHECK: compare_r_eq
+; CHECK: cmn
+  %sub = sub nsw i32 0, %b
+  %cmp = icmp eq i32 %a, %sub
+  %. = zext i1 %cmp to i32
+  ret i32 %.
+}