ARM: support windows division routines

[oota-llvm.git] / test / CodeGen / ARM / 2011-04-15-RegisterCmpPeephole.ll

diff --git a/test/CodeGen/ARM/2011-04-15-RegisterCmpPeephole.ll b/test/CodeGen/ARM/2011-04-15-RegisterCmpPeephole.ll
index a98d3f6ba92dbc8508f5723ff06bf42250762438..864e2917b7bb3b7450569e7ec59aeae81b3bc6c7 100644 (file)
--- a/test/CodeGen/ARM/2011-04-15-RegisterCmpPeephole.ll
+++ b/test/CodeGen/ARM/2011-04-15-RegisterCmpPeephole.ll
@@ -3,7 +3,7 @@
 ; CHECK: _f
 ; CHECK: adds
 ; CHECK-NOT: cmp
-; CHECK: blxeq _g
+; CHECK: blxeq _h
 
 define i32 @f(i32 %a, i32 %b) nounwind ssp {
 entry:
@@ -12,11 +12,30 @@ entry:
   br i1 %cmp, label %if.then, label %if.end
 
 if.then:                                          ; preds = %entry
-  tail call void (...)* @g(i32 %a, i32 %b) nounwind
+  tail call void (...) @h(i32 %a, i32 %b) nounwind
   br label %if.end
 
 if.end:                                           ; preds = %if.then, %entry
   ret i32 %add
 }
 
-declare void @g(...)
+; CHECK: _g
+; CHECK: orrs
+; CHECK-NOT: cmp
+; CHECK: blxeq _h
+
+define i32 @g(i32 %a, i32 %b) nounwind ssp {
+entry:
+  %add = or i32 %b, %a
+  %cmp = icmp eq i32 %add, 0
+  br i1 %cmp, label %if.then, label %if.end
+
+if.then:                                          ; preds = %entry
+  tail call void (...) @h(i32 %a, i32 %b) nounwind
+  br label %if.end
+
+if.end:                                           ; preds = %if.then, %entry
+  ret i32 %add
+}
+
+declare void @h(...)