================
@@ -1246,6 +1246,59 @@ def SelectOp : CIR_Op<"select", [Pure,
}];
}
+//===----------------------------------------------------------------------===//
+// TernaryOp
+//===----------------------------------------------------------------------===//
+
+def TernaryOp : CIR_Op<"ternary",
+ [DeclareOpInterfaceMethods<RegionBranchOpInterface>,
+ RecursivelySpeculatable, AutomaticAllocationScope, NoRegionArguments]> {
+ let summary = "The `cond ? a : b` C/C++ ternary operation";
+ let description = [{
+ The `cir.ternary` operation represents C/C++ ternary, much like a `select`
+ operation. The first argument is a `cir.bool` condition to evaluate,
followed
+ by two regions to execute (true or false). This is different from `cir.if`
+ since each region is one block sized and the `cir.yield` closing the block
+ scope should have one argument.
----------------
erichkeane wrote:
Can we document it here? One of the 'features' of it IIRC is that it only
evaluates `Thing1` 1x instead of 2x (like in a traditional ternary), so it
might be nice to document how that is represented here.
https://github.com/llvm/llvm-project/pull/137184
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