Simplify abstract value bitcasting.

Change-Id: I173d563cd3cd17cf90caf723f29a6c1da51103b5 Reviewed-on: https://swiftshader-review.googlesource.com/7872Reviewed-by: Nicolas Capens <capn@google.com> Tested-by: Nicolas Capens <capn@google.com>

Simplify abstract value bitcasting.
22f60463 · Nicolas Capens · cfc3e822 · 22f60463 · 22f60463 · 22f60463
Commit 22f60463 authored Oct 27, 2016 by Nicolas Capens
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Showing with 8 additions and 2 deletions

LLVMReactor.cpp src/Reactor/LLVMReactor.cpp +0 -0

Reactor.hpp src/Reactor/Reactor.hpp +6 -0

SubzeroReactor.cpp src/Reactor/SubzeroReactor.cpp +2 -2

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--- a/src/Reactor/LLVMReactor.cpp
+++ b/src/Reactor/LLVMReactor.cpp
--- a/src/Reactor/Reactor.hpp
+++ b/src/Reactor/Reactor.hpp
@@ -2852,6 +2852,12 @@ namespace sw
 		return ReinterpretCast<T>(RValue<S>(var));
 	}

+	template<class T>
+	RValue<T> As(Value *val)
+	{
+		return RValue<T>(Nucleus::createBitCast(val, T::getType()));
+	}
+
 	template<class T, class S>
 	RValue<T> As(RValue<S> val)
 	{

--- a/src/Reactor/SubzeroReactor.cpp
+++ b/src/Reactor/SubzeroReactor.cpp
@@ -3222,7 +3222,7 @@ namespace sw
 		pack->addArg(y.value);
 		::basicBlock->appendInst(pack);

-		return As<SByte8>(Swizzle(As<Int4>(RValue<Byte16>(V(result))), 0x88));
+		return As<SByte8>(Swizzle(As<Int4>(V(result)), 0x88));
 	}

 	RValue<Int2> UnpackLow(RValue<Short4> x, RValue<Short4> y)
@@ -3535,7 +3535,7 @@ namespace sw
 		pack->addArg(y.value);
 		::basicBlock->appendInst(pack);

-		return As<Byte8>(Swizzle(As<Int4>(RValue<Byte16>(V(result))), 0x88));
+		return As<Byte8>(Swizzle(As<Int4>(V(result)), 0x88));
 	}

 	Type *UShort4::getType()