[llvm] 7c7941f - [AMDGPU] Fold llvm.amdgcn.cos and llvm.amdgcn.sin intrinsics (fix)

[Jay Foad via llvm-commits]

Author: Jay Foad
Date: 2020-06-03T09:44:33+01:00
New Revision: 7c7941fb4bd884ee7dce96fdfdf657c0fdb608dd

URL: https://github.com/llvm/llvm-project/commit/7c7941fb4bd884ee7dce96fdfdf657c0fdb608dd
DIFF: https://github.com/llvm/llvm-project/commit/7c7941fb4bd884ee7dce96fdfdf657c0fdb608dd.diff

LOG: [AMDGPU] Fold llvm.amdgcn.cos and llvm.amdgcn.sin intrinsics (fix)

Try to fix Windows buildbots.

Added: 
    

Modified: 
    llvm/lib/Analysis/ConstantFolding.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index 2a9c84196090..67591de756cb 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -1977,7 +1977,10 @@ static Constant *ConstantFoldScalarCall1(StringRef Name,
           const double SinVals[4] = { 0.0, 1.0, 0.0, -1.0 };
           V = SinVals[((int)V4 + (IsCos ? 1 : 0)) & 3];
         } else {
-          V = (IsCos ? cos : sin)(V * 2.0 * numbers::pi);
+          if (IsCos)
+            V = cos(V * 2.0 * numbers::pi);
+          else
+            V = sin(V * 2.0 * numbers::pi);
         }
         return GetConstantFoldFPValue(V, Ty);
     }