Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833

external/llvm/test/Analysis/ScalarEvolution/scev-canonical-mode.ll

@@ -0,0 +1,32 @@
+; PR26529: Check the assumption of IndVarSimplify to do SCEV expansion in literal mode
+; instead of CanonicalMode is properly maintained in SCEVExpander::expand.
+; RUN: opt -indvars < %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; Function Attrs: norecurse nounwind uwtable
+define void @ehF() #0 {
+entry:
+  br i1 undef, label %if.then.i, label %hup.exit
+
+if.then.i:                                        ; preds = %entry
+  br i1 undef, label %for.body.lr.ph.i, label %hup.exit
+
+for.body.lr.ph.i:                                 ; preds = %if.then.i
+  br label %for.body.i
+
+for.body.i:                                       ; preds = %for.body.i, %for.body.lr.ph.i
+  %i.03.i = phi i32 [ 0, %for.body.lr.ph.i ], [ %inc.i, %for.body.i ]
+  %k.02.i = phi i32 [ 1, %for.body.lr.ph.i ], [ %inc5.i, %for.body.i ]
+  %inc.i = add nsw i32 %i.03.i, 1
+  %idxprom.i = sext i32 %i.03.i to i64
+  %idxprom2.i = sext i32 %k.02.i to i64
+  %inc5.i = add nsw i32 %k.02.i, 1
+  br i1 false, label %for.body.i, label %hup.exit
+
+hup.exit:                                         ; preds = %for.body.i, %if.then.i, %entry
+  ret void
+}
+
+attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }