Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/Transforms/CodeExtractor/2004-03-14-DominanceProblem.ll

@@ -0,0 +1,33 @@
+; RUN: opt < %s -loop-extract -disable-output
+; This testcase is failing the loop extractor because not all exit blocks 
+; are dominated by all of the live-outs.
+
+define i32 @ab(i32 %alpha, i32 %beta) {
+entry:
+        br label %loopentry.1.preheader
+
+loopentry.1.preheader:          ; preds = %entry
+        br label %loopentry.1
+
+loopentry.1:            ; preds = %no_exit.1, %loopentry.1.preheader
+        br i1 false, label %no_exit.1, label %loopexit.0.loopexit1
+
+no_exit.1:              ; preds = %loopentry.1
+        %tmp.53 = load i32, i32* null                ; <i32> [#uses=1]
+        br i1 false, label %shortcirc_next.2, label %loopentry.1
+
+shortcirc_next.2:               ; preds = %no_exit.1
+        %tmp.563 = call i32 @wins( i32 0, i32 %tmp.53, i32 3 )          ; <i32> [#uses=0]
+        ret i32 0
+
+loopexit.0.loopexit1:           ; preds = %loopentry.1
+        br label %loopexit.0
+
+loopexit.0:             ; preds = %loopexit.0.loopexit1
+        ret i32 0
+}
+
+declare i32 @wins(i32, i32, i32)
+
+declare i16 @ab_code()
+