[llvm] [VPlan] Add initial CFG simplification, removing BranchOnCond true. (PR #106748)

[Florian Hahn via llvm-commits]

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@@ -230,54 +230,54 @@ define float @fadd_strict_unroll(ptr noalias nocapture readonly %a, i64 %n) #0 {
 ; CHECK-UNORDERED-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK-UNORDERED:       vector.body:
 ; CHECK-UNORDERED-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-UNORDERED-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 8 x float> [ insertelement (<vscale x 8 x float> splat (float -0.000000e+00), float 0.000000e+00, i32 0), [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ]
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fhahn wrote:

I think the main problem is the value numbers changing, causing a number of redundant renaming in the check lines. I manually removed the branches, should be much smaller now.

https://github.com/llvm/llvm-project/pull/106748