commit 2e6496026f41d2c05ff038d14df9972f8a27fb94
author Evan Cheng <evan.cheng@apple.com> Fri May 20 00:54:37 2011 +0000
committer Evan Cheng <evan.cheng@apple.com> Fri May 20 00:54:37 2011 +0000
tree 3dde6780a871b0e1bba1d4d27f38e6937fea0298
parent 5a4b3d8c8f52ee225ffc65c7d6cebc78b1ec7808

Revert r131664 and fix it in instcombine instead. rdar://9467055

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131708 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp

diff --git a/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp b/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
index 9863ceb..e3a117f 100644
--- a/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
+++ b/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
@@ -780,6 +780,10 @@
         // TODO: Could compute known zero/one bits based on the input.
         break;
       }
+      case Intrinsic::x86_sse42_crc64_8:
+      case Intrinsic::x86_sse42_crc64_64:
+        KnownZero = APInt::getHighBitsSet(64, 32);
+        return 0;
       }
     }
     ComputeMaskedBits(V, DemandedMask, KnownZero, KnownOne, Depth);