Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/Other/2002-02-24-InlineBrokePHINodes.ll

@@ -0,0 +1,23 @@
+; Inlining used to break PHI nodes.  This tests that they are correctly updated
+; when a node is split around the call instruction.  The verifier caught the error.
+;
+; RUN: opt < %s -inline
+;
+
+define i64 @test(i64 %X) {
+	ret i64 %X
+}
+
+define i64 @fib(i64 %n) {
+; <label>:0
+	%T = icmp ult i64 %n, 2		; <i1> [#uses=1]
+	br i1 %T, label %BaseCase, label %RecurseCase
+
+RecurseCase:		; preds = %0
+	%result = call i64 @test( i64 %n )		; <i64> [#uses=0]
+	br label %BaseCase
+
+BaseCase:		; preds = %RecurseCase, %0
+	%X = phi i64 [ 1, %0 ], [ 2, %RecurseCase ]		; <i64> [#uses=1]
+	ret i64 %X
+}