4 files changed, 26 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/base/flag.go b/src/cmd/compile/internal/base/flag.go
index 42c0c1b94b..b8b205f412 100644
--- a/src/cmd/compile/internal/base/flag.go
+++ b/src/cmd/compile/internal/base/flag.go
@@ -159,7 +159,11 @@ func ParseFlags() {
 	Flag.LinkShared = &Ctxt.Flag_linkshared
 	Flag.Shared = &Ctxt.Flag_shared
 	Flag.WB = true
+
 	Debug.InlFuncsWithClosures = 1
+	if buildcfg.Experiment.Unified {
+		Debug.Unified = 1
+	}
 
 	Debug.Checkptr = -1 // so we can tell whether it is set explicitly
 
diff --git a/src/internal/goexperiment/exp_unified_off.go b/src/internal/goexperiment/exp_unified_off.go
new file mode 100644
index 0000000000..4c16fd8562
--- /dev/null
+++ b/src/internal/goexperiment/exp_unified_off.go
@@ -0,0 +1,9 @@
+// Code generated by mkconsts.go. DO NOT EDIT.
+
+//go:build !goexperiment.unified
+// +build !goexperiment.unified
+
+package goexperiment
+
+const Unified = false
+const UnifiedInt = 0
diff --git a/src/internal/goexperiment/exp_unified_on.go b/src/internal/goexperiment/exp_unified_on.go
new file mode 100644
index 0000000000..2b17ba3e79
--- /dev/null
+++ b/src/internal/goexperiment/exp_unified_on.go
@@ -0,0 +1,9 @@
+// Code generated by mkconsts.go. DO NOT EDIT.
+
+//go:build goexperiment.unified
+// +build goexperiment.unified
+
+package goexperiment
+
+const Unified = true
+const UnifiedInt = 1
diff --git a/src/internal/goexperiment/flags.go b/src/internal/goexperiment/flags.go
index 71e38cd047..b7a62b3e26 100644
--- a/src/internal/goexperiment/flags.go
+++ b/src/internal/goexperiment/flags.go
@@ -59,6 +59,10 @@ type Flags struct {
 	PreemptibleLoops  bool
 	StaticLockRanking bool
 
+	// Unified enables the compiler's unified IR construction
+	// experiment.
+	Unified bool
+
 	// Regabi is split into several sub-experiments that can be
 	// enabled individually. Not all combinations work.
 	// The "regabi" GOEXPERIMENT is an alias for all "working"