CodeGen peephole: fold redundant phys reg copies

[oota-llvm.git] / test / CodeGen / X86 / promote-i16.ll

diff --git a/test/CodeGen/X86/promote-i16.ll b/test/CodeGen/X86/promote-i16.ll
index d7622651b10e4d8bc6be12b4dfa00c0405e34253..963bc1c2927a298440be62723277eebf77ee7676 100644 (file)
--- a/test/CodeGen/X86/promote-i16.ll
+++ b/test/CodeGen/X86/promote-i16.ll
@@ -2,10 +2,20 @@
 
 define signext i16 @foo(i16 signext %x) nounwind {
 entry:
-; CHECK: foo:
-; CHECK: movzwl 4(%esp), %eax
-; CHECK: xorl   $21998, %eax
-; CHECK: movsx  %ax, %eax
+; CHECK-LABEL: foo:
+; CHECK-NOT: movzwl
+; CHECK: movswl 4(%esp), %eax
+; CHECK: xorl $21998, %eax
   %0 = xor i16 %x, 21998
   ret i16 %0
 }
+
+define signext i16 @bar(i16 signext %x) nounwind {
+entry:
+; CHECK-LABEL: bar:
+; CHECK-NOT: movzwl
+; CHECK: movswl 4(%esp), %eax
+; CHECK: xorl $-10770, %eax
+  %0 = xor i16 %x, 54766
+  ret i16 %0
+}