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Fix switch lowering to order cases in zext order, which is how we emit the
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
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@ -389,8 +389,8 @@ class SelectionDAGLowering {
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struct CaseCmp {
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struct CaseCmp {
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bool operator () (const Case& C1, const Case& C2) {
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bool operator () (const Case& C1, const Case& C2) {
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assert(isa<ConstantInt>(C1.first) && isa<ConstantInt>(C2.first));
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assert(isa<ConstantInt>(C1.first) && isa<ConstantInt>(C2.first));
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return cast<const ConstantInt>(C1.first)->getSExtValue() <
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return cast<const ConstantInt>(C1.first)->getZExtValue() <
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cast<const ConstantInt>(C2.first)->getSExtValue();
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cast<const ConstantInt>(C2.first)->getZExtValue();
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}
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}
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};
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};
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