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Fix switch lowering to order cases in zext order, which is how we emit the

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comparisons.  This fixes an infinite loop on CodeGen/Generic/switch-lower.ll
and PR1197


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34216 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-02-13 01:05:56 +00:00
parent b76f903fd3
commit 818d42f1e8
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@@ -389,8 +389,8 @@ class SelectionDAGLowering {
struct CaseCmp { struct CaseCmp {
bool operator () (const Case& C1, const Case& C2) { bool operator () (const Case& C1, const Case& C2) {
assert(isa<ConstantInt>(C1.first) && isa<ConstantInt>(C2.first)); assert(isa<ConstantInt>(C1.first) && isa<ConstantInt>(C2.first));
return cast<const ConstantInt>(C1.first)->getSExtValue() < return cast<const ConstantInt>(C1.first)->getZExtValue() <
cast<const ConstantInt>(C2.first)->getSExtValue(); cast<const ConstantInt>(C2.first)->getZExtValue();
} }
}; };