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Relax block ordering constraints (#1535)

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* Relax block ordering constraints

Before `block.Next` had to follow `block.ListNext`, now it does not.
Instead `CodeGenerator` will now emit the necessary jump instructions
to ensure control flow.

This makes control flow and block order modifications easier. It also
eliminates some simple cases of redundant branches.

* Set PPTC version
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FICTURE7 2020-09-12 19:32:53 +04:00 • committed by GitHub
parent 3d055da5fc
commit 36ec1bc6c0
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11 changed files with 164 additions and 174 deletions
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21
ARMeilleure/Diagnostics/IRDumper.cs
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@ -57,17 +57,20 @@ namespace ARMeilleure.Diagnostics
{
DumpBlockName(block);
if (block.Next != null)
if (block.SuccessorCount > 0)
{
_builder.Append(" (next ");
DumpBlockName(block.Next);
_builder.Append(')');
}
_builder.Append(" (");
for (int i = 0; i < block.SuccessorCount; i++)
{
DumpBlockName(block.GetSuccessor(i));
if (i < block.SuccessorCount - 1)
{
_builder.Append(", ");
}
}
if (block.Branch != null)
{
_builder.Append(" (branch ");
DumpBlockName(block.Branch);
_builder.Append(')');
}