[llvm] [StructurizeCFG] Order IF Else block using Heuristics (PR #139605)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,129 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt -S -structurizecfg %s -o - | FileCheck %s
+; RUN: opt -S -passes=structurizecfg %s -o - | FileCheck %s
+
+define amdgpu_kernel void @test_extractelement_1(<4 x i32> %vec, i1 %cond, ptr %ptr) {
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arsenm wrote:

Don't need the CC? Also should have a codegen test that shows the net result 

https://github.com/llvm/llvm-project/pull/139605