Reactor: Fix printing of small integer values.
The printf specifiers expect an int, passing a smaller width integer could lead to weirdness being printed.
Change-Id: I1e75e3fdade270a4bfa55c48efe82ca9f331b2fe
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/31272
Presubmit-Ready: Ben Clayton <bclayton@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Chris Forbes <chrisforbes@google.com>
diff --git a/src/Reactor/LLVMReactor.cpp b/src/Reactor/LLVMReactor.cpp
index 81f8e27..82eefe3 100644
--- a/src/Reactor/LLVMReactor.cpp
+++ b/src/Reactor/LLVMReactor.cpp
@@ -4103,6 +4103,27 @@
return elements;
}
+ // toInt returns all the integer values in vals extended to a native width
+ // integer.
+ static std::vector<Value*> toInt(const std::vector<Value*>& vals, bool isSigned)
+ {
+ auto intTy = ::llvm::Type::getIntNTy(*::context, sizeof(int) * 8); // Natural integer width.
+ std::vector<Value*> elements;
+ elements.reserve(vals.size());
+ for (auto v : vals)
+ {
+ if (isSigned)
+ {
+ elements.push_back(V(::builder->CreateSExt(V(v), intTy)));
+ }
+ else
+ {
+ elements.push_back(V(::builder->CreateZExt(V(v), intTy)));
+ }
+ }
+ return elements;
+ }
+
// toDouble returns all the float values in vals extended to doubles.
static std::vector<Value*> toDouble(const std::vector<Value*>& vals)
{
@@ -4116,11 +4137,15 @@
return elements;
}
- std::vector<Value*> PrintValue::Ty<Byte4>::val(const RValue<Byte4>& v) { return extractAll(v.value, 4); }
- std::vector<Value*> PrintValue::Ty<Int4>::val(const RValue<Int4>& v) { return extractAll(v.value, 4); }
- std::vector<Value*> PrintValue::Ty<UInt4>::val(const RValue<UInt4>& v) { return extractAll(v.value, 4); }
- std::vector<Value*> PrintValue::Ty<Short4>::val(const RValue<Short4>& v) { return extractAll(v.value, 4); }
- std::vector<Value*> PrintValue::Ty<UShort4>::val(const RValue<UShort4>& v) { return extractAll(v.value, 4); }
+ std::vector<Value*> PrintValue::Ty<Byte4>::val(const RValue<Byte4>& v) { return toInt(extractAll(v.value, 4), false); }
+ std::vector<Value*> PrintValue::Ty<Int>::val(const RValue<Int>& v) { return toInt({v.value}, true); }
+ std::vector<Value*> PrintValue::Ty<Int2>::val(const RValue<Int2>& v) { return toInt(extractAll(v.value, 2), true); }
+ std::vector<Value*> PrintValue::Ty<Int4>::val(const RValue<Int4>& v) { return toInt(extractAll(v.value, 4), true); }
+ std::vector<Value*> PrintValue::Ty<UInt>::val(const RValue<UInt>& v) { return toInt({v.value}, false); }
+ std::vector<Value*> PrintValue::Ty<UInt2>::val(const RValue<UInt2>& v) { return toInt(extractAll(v.value, 2), false); }
+ std::vector<Value*> PrintValue::Ty<UInt4>::val(const RValue<UInt4>& v) { return toInt(extractAll(v.value, 4), false); }
+ std::vector<Value*> PrintValue::Ty<Short4>::val(const RValue<Short4>& v) { return toInt(extractAll(v.value, 4), true); }
+ std::vector<Value*> PrintValue::Ty<UShort4>::val(const RValue<UShort4>& v) { return toInt(extractAll(v.value, 4), false); }
std::vector<Value*> PrintValue::Ty<Float>::val(const RValue<Float>& v) { return toDouble({v.value}); }
std::vector<Value*> PrintValue::Ty<Float4>::val(const RValue<Float4>& v) { return toDouble(extractAll(v.value, 4)); }
std::vector<Value*> PrintValue::Ty<const char*>::val(const char* v) { return {V(::builder->CreateGlobalStringPtr(v))}; }
@@ -4129,7 +4154,7 @@
{
// LLVM types used below.
auto i32Ty = ::llvm::Type::getInt32Ty(*::context);
- auto intTy = ::llvm::Type::getInt64Ty(*::context); // TODO: Natural int width.
+ auto intTy = ::llvm::Type::getIntNTy(*::context, sizeof(int) * 8); // Natural integer width.
auto i8PtrTy = ::llvm::Type::getInt8PtrTy(*::context);
auto funcTy = ::llvm::FunctionType::get(i32Ty, {i8PtrTy}, true);
