Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/Transforms/IndVarSimplify/2003-04-16-ExprAnalysis.ll

@@ -0,0 +1,17 @@
+; This is a test case for the expression analysis code, not really indvars.
+; It was assuming any constant of int type was a ConstantInteger.
+;
+; RUN: opt < %s -indvars
+
+@X = global i32 7               ; <i32*> [#uses=1]
+
+define void @test(i32 %A) {
+; <label>:0
+        br label %Loop
+
+Loop:           ; preds = %Loop, %0
+        %IV = phi i32 [ %A, %0 ], [ %IVNext, %Loop ]            ; <i32> [#uses=1]
+        %IVNext = add i32 %IV, ptrtoint (i32* @X to i32)                ; <i32> [#uses=1]
+        br label %Loop
+}
+