[llvm] [delinearize] use update_analyze_test_checks.py in delinearization testcases (PR #153831)

[Ryotaro Kasuga via llvm-commits]

================
@@ -1,38 +0,0 @@
-; RUN: opt < %s -passes='print<delinearization>' -disable-output
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-define void @foo(ptr %Ey, i1 %arg) {
-entry:
-  br i1 %arg, label %for.cond55.preheader, label %for.end324
-
-for.cond55.preheader:
-  %iz.069 = phi i64 [ %inc323, %for.inc322 ], [ 0, %entry ]
-  br i1 %arg, label %for.cond58.preheader, label %for.inc322
-
-for.cond58.preheader:
-  %iy.067 = phi i64 [ %inc320, %for.end ], [ 0, %for.cond55.preheader ]
-  br i1 %arg, label %for.body60, label %for.end
-
-for.body60:
-  %ix.062 = phi i64 [ %inc, %for.body60 ], [ 0, %for.cond58.preheader ]
-  %0 = mul i64 %iz.069, undef
-  %tmp5 = add i64 %iy.067, %0
-  %tmp6 = mul i64 %tmp5, undef
-  %arrayidx69.sum = add i64 undef, %tmp6
-  %arrayidx70 = getelementptr inbounds double, ptr %Ey, i64 %arrayidx69.sum
-  %1 = load double, ptr %arrayidx70, align 8
-  %inc = add nsw i64 %ix.062, 1
-  br i1 false, label %for.body60, label %for.end
-
-for.end:
-  %inc320 = add nsw i64 %iy.067, 1
-  br i1 %arg, label %for.cond58.preheader, label %for.inc322
-
-for.inc322:
-  %inc323 = add nsw i64 %iz.069, 1
-  br i1 %arg, label %for.cond55.preheader, label %for.end324
-
-for.end324:
-  ret void
-}
----------------
kasuga-fj wrote:

If this IR doesn't contain UB, I believe this test is useful to ensure that nothing unexpected occurs when undef is present.


https://github.com/llvm/llvm-project/pull/153831