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path: root/ARMeilleure/CodeGen/Optimizations/BlockPlacement.cs
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Diffstat (limited to 'ARMeilleure/CodeGen/Optimizations/BlockPlacement.cs')
-rw-r--r--ARMeilleure/CodeGen/Optimizations/BlockPlacement.cs7
1 files changed, 6 insertions, 1 deletions
diff --git a/ARMeilleure/CodeGen/Optimizations/BlockPlacement.cs b/ARMeilleure/CodeGen/Optimizations/BlockPlacement.cs
index c06ed520..9e243d37 100644
--- a/ARMeilleure/CodeGen/Optimizations/BlockPlacement.cs
+++ b/ARMeilleure/CodeGen/Optimizations/BlockPlacement.cs
@@ -17,7 +17,7 @@ namespace ARMeilleure.CodeGen.Optimizations
BasicBlock lastBlock = cfg.Blocks.Last;
// Move cold blocks at the end of the list, so that they are emitted away from hot code.
- for (block = cfg.Blocks.First; block != lastBlock; block = nextBlock)
+ for (block = cfg.Blocks.First; block != null; block = nextBlock)
{
nextBlock = block.ListNext;
@@ -26,6 +26,11 @@ namespace ARMeilleure.CodeGen.Optimizations
cfg.Blocks.Remove(block);
cfg.Blocks.AddLast(block);
}
+
+ if (block == lastBlock)
+ {
+ break;
+ }
}
for (block = cfg.Blocks.First; block != null; block = nextBlock)