[llvm-commits] [llvm] r63731 - in /llvm/trunk: lib/VMCore/ConstantFold.cpp test/Transforms/InstCombine/2009-02-04-FPBitcast.ll

[Duncan Sands]

Author: baldrick
Date: Wed Feb  4 05:17:06 2009
New Revision: 63731

URL: http://llvm.org/viewvc/llvm-project?rev=63731&view=rev
Log:
Allow the inverse transform x86_fp80 -> i80 (also
fires during the Ada build).

Modified:
    llvm/trunk/lib/VMCore/ConstantFold.cpp
    llvm/trunk/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll

Modified: llvm/trunk/lib/VMCore/ConstantFold.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/ConstantFold.cpp?rev=63731&r1=63730&r2=63731&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/ConstantFold.cpp (original)
+++ llvm/trunk/lib/VMCore/ConstantFold.cpp Wed Feb  4 05:17:06 2009
@@ -161,17 +161,12 @@
     // Otherwise, can't fold this (vector?)
     return 0;
   }
-  
+
   // Handle ConstantFP input.
-  if (const ConstantFP *FP = dyn_cast<ConstantFP>(V)) {
+  if (const ConstantFP *FP = dyn_cast<ConstantFP>(V))
     // FP -> Integral.
-    if (DestTy == Type::Int32Ty) {
-      return ConstantInt::get(FP->getValueAPF().bitcastToAPInt());
-    } else {
-      assert(DestTy == Type::Int64Ty && "only support f32/f64 for now!");
-      return ConstantInt::get(FP->getValueAPF().bitcastToAPInt());
-    }
-  }
+    return ConstantInt::get(FP->getValueAPF().bitcastToAPInt());
+
   return 0;
 }
 

Modified: llvm/trunk/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll?rev=63731&r1=63730&r2=63731&view=diff

==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll Wed Feb  4 05:17:06 2009
@@ -5,3 +5,8 @@
 	%tmp = bitcast i80 0 to x86_fp80		; <x86_fp80> [#uses=1]
 	ret x86_fp80 %tmp
 }
+
+define i80 @invcast() {
+	%tmp = bitcast x86_fp80 0xK00000000000000000000 to i80		; <i80> [#uses=1]
+	ret i80 %tmp
+}