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Use the asmprinter to find out what the preferred alignment of a global is.

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This patch speeds up 172.mgrid from 31.81s to 11.39s on darwin/ppc.
Many many thanks to Nate for tracking down the root cause of the issue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-02-05 01:30:45 +00:00
parent 4d57e0cd69
commit 7d8d5a522f
1 changed files with 1 additions and 1 deletions
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lib/Target/PowerPC/PPCAsmPrinter.cpp
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@@ -527,7 +527,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
std::string name = Mang->getValueName(I); std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer(); Constant *C = I->getInitializer();
unsigned Size = TD.getTypeSize(C->getType()); unsigned Size = TD.getTypeSize(C->getType());
unsigned Align = TD.getTypeAlignmentShift(C->getType()); unsigned Align = getPreferredAlignmentLog(I);
if (C->isNullValue() && /* FIXME: Verify correct */ if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage() || (I->hasInternalLinkage() || I->hasWeakLinkage() ||