Use and() and or() functions for logical-AND and OR (#6310)

* Use and() and or() functions for logical-AND and OR

With this commit, Slang will emit function calls to `and()` and `or()`
for the logical-AND and logical-OR when the operands are non-scalar and
the target profile is SM6.0 and above. This is required change from
SM6.0.

For WGSL, there is no operator overloadings of `&&` and `||` when the
operands are non-scalar. Unlike HLSL, WGSL also don't have `and()` nor
`or()`. Alternatively, we can use `select()`.

1 files changed, 14 insertions, 0 deletions

diff --git a/source/slang/slang-ir.cpp b/source/slang/slang-ir.cpp
index 6cf7a1786..07e8b2742 100644
--- a/source/slang/slang-ir.cpp
+++ b/source/slang/slang-ir.cpp
@@ -6020,6 +6020,20 @@ IRInst* IRBuilder::emitShl(IRType* type, IRInst* left, IRInst* right)
     return inst;
 }
 
+IRInst* IRBuilder::emitAnd(IRType* type, IRInst* left, IRInst* right)
+{
+    auto inst = createInst<IRInst>(this, kIROp_And, type, left, right);
+    addInst(inst);
+    return inst;
+}
+
+IRInst* IRBuilder::emitOr(IRType* type, IRInst* left, IRInst* right)
+{
+    auto inst = createInst<IRInst>(this, kIROp_Or, type, left, right);
+    addInst(inst);
+    return inst;
+}
+
 IRInst* IRBuilder::emitGetNativePtr(IRInst* value)
 {
     auto valueType = value->getDataType();