[llvm-commits] [llvm-gcc-4.2] r41260 - /llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp

[Bill Wendling]

Author: void
Date: Tue Aug 21 18:53:01 2007
New Revision: 41260

URL: http://llvm.org/viewvc/llvm-project?rev=41260&view=rev
Log:
Forward-port of 41259:

For the llvm.c* intrinsics, we need to truncate or zero extend if we're placing
the results in a larger or smaller location.

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp?rev=41260&r1=41259&r2=41260&view=diff

==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp Tue Aug 21 18:53:01 2007
@@ -3849,13 +3849,19 @@
   case BUILT_IN_CLZLL: {
     Value *Amt = Emit(TREE_VALUE(TREE_OPERAND(exp, 1)), 0);
     EmitBuiltinUnaryIntOp(Amt, Result, Intrinsic::ctlz); 
+    const Type *DestTy = ConvertType(TREE_TYPE(exp));
+    if (Result->getType() != DestTy)
+      Result = Builder.CreateIntCast(Result, DestTy, "cast");
     return true;
   }
   case BUILT_IN_CTZ:       // These GCC builtins always return int.
   case BUILT_IN_CTZL:
   case BUILT_IN_CTZLL: {
     Value *Amt = Emit(TREE_VALUE(TREE_OPERAND(exp, 1)), 0);
-    EmitBuiltinUnaryIntOp(Amt, Result, Intrinsic::cttz); 
+    EmitBuiltinUnaryIntOp(Amt, Result, Intrinsic::cttz);
+    const Type *DestTy = ConvertType(TREE_TYPE(exp));
+    if (Result->getType() != DestTy)
+      Result = Builder.CreateIntCast(Result, DestTy, "cast");
     return true;
   }
   case BUILT_IN_PARITYLL:
@@ -3872,6 +3878,9 @@
   case BUILT_IN_POPCOUNTLL: {
     Value *Amt = Emit(TREE_VALUE(TREE_OPERAND(exp, 1)), 0);
     EmitBuiltinUnaryIntOp(Amt, Result, Intrinsic::ctpop); 
+    const Type *DestTy = ConvertType(TREE_TYPE(exp));
+    if (Result->getType() != DestTy)
+      Result = Builder.CreateIntCast(Result, DestTy, "cast");
     return true;
   }
   case BUILT_IN_SQRT: