From: Chris Lattner <sabre@nondot.org>
Date: Mon, 26 Jul 2004 01:22:59 +0000 (+0000)
Subject: Fix an extremely serious regression that was causing LLVM basic blocks to be
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=badf091b47ee6c7db7cb549381f693a7850c1595;p=oota-llvm.git

Fix an extremely serious regression that was causing LLVM basic blocks to be
scrambled around almost at random, having really bad effects on icache locality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15225 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/AsmParser/llvmAsmParser.y b/lib/AsmParser/llvmAsmParser.y
index d7c1723b69f..440056de2df 100644
--- a/lib/AsmParser/llvmAsmParser.y
+++ b/lib/AsmParser/llvmAsmParser.y
@@ -383,6 +383,12 @@ static BasicBlock *getBBVal(const ValID &ID, bool isDefinition = false) {
       ThrowException("Redefinition of label " + ID.getName());
 
     ID.destroy();                       // Free strdup'd memory.
+
+    // Make sure to move the basic block to the correct location in the
+    // function, instead of leaving it inserted wherever it was first
+    // referenced.
+    CurFun.CurrentFunction->getBasicBlockList().remove(BB);
+    CurFun.CurrentFunction->getBasicBlockList().push_back(BB);
     return BB;
   }