Bring back int_x86_sse2_movl_dq intrinsic for backward compatibility. Make sure

it's auto-upgraded to a shufflevector instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45131 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 2 deletions

diff --git a/include/llvm/AutoUpgrade.h b/include/llvm/AutoUpgrade.h
index e3a32b9..d0d8e95 100644
--- a/include/llvm/AutoUpgrade.h
+++ b/include/llvm/AutoUpgrade.h
@@ -20,8 +20,10 @@ namespace llvm {
   class BasicBlock;
 
   /// This is a more granular function that simply checks an intrinsic function 
-  /// for upgrading, and if it requires upgrading provides the new function.
-  Function* UpgradeIntrinsicFunction(Function *F);
+  /// for upgrading, and returns true if it requires upgrading. It may return
+  /// null in NewFn if the all calls to the original intrinsic function
+  /// should be transformed to non-function-call instructions.
+  bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn);
 
   /// This is the complement to the above, replacing a specific call to an 
   /// intrinsic function with a call to the specified new function.
diff --git a/include/llvm/IntrinsicsX86.td b/include/llvm/IntrinsicsX86.td
index 4a553af..12e7633 100644
--- a/include/llvm/IntrinsicsX86.td
+++ b/include/llvm/IntrinsicsX86.td
@@ -460,6 +460,8 @@ let TargetPrefix = "x86" in {  // All intrinsics start with "llvm.x86.".
   def int_x86_sse2_packuswb_128 : GCCBuiltin<"__builtin_ia32_packuswb128">,
               Intrinsic<[llvm_v8i16_ty, llvm_v8i16_ty,
                          llvm_v8i16_ty], [IntrNoMem]>;
+  def int_x86_sse2_movl_dq : GCCBuiltin<"__builtin_ia32_movqv4si">,
+              Intrinsic<[llvm_v4i32_ty, llvm_v4i32_ty], [IntrNoMem]>;
   def int_x86_sse2_movmsk_pd : GCCBuiltin<"__builtin_ia32_movmskpd">,
               Intrinsic<[llvm_i32_ty, llvm_v2f64_ty], [IntrNoMem]>;
   def int_x86_sse2_pmovmskb_128 : GCCBuiltin<"__builtin_ia32_pmovmskb128">,