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Revert the patch that adds Function* for each 64-bit libc div/mul/rem that we
want to do; instead, we can use MachineInstr::addExternalSymbol(char*, bool) and thus we don't have to modify the Module as we are code generating for it git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18025 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -36,10 +36,6 @@ namespace {
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MachineBasicBlock *BB; // The current MBB we are compiling
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int VarArgsOffset; // Offset from fp for start of varargs area
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// External functions we may use in compiling the Module
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Function *__div64Fn, *__mul64Fn, *__rem64Fn,
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*__udiv64Fn, *__umul64Fn, *__urem64Fn;
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std::map<Value*, unsigned> RegMap; // Mapping between Val's and SSA Regs
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// MBBMap - Mapping between LLVM BB -> Machine BB
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@ -47,25 +43,6 @@ namespace {
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V8ISel(TargetMachine &tm) : TM(tm), F(0), BB(0) {}
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bool doInitialization(Module &M) {
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// Add external functions that we may call
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Type *l = Type::LongTy;
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Type *ul = Type::ULongTy;
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// long __div64(long, long);
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__div64Fn = M.getOrInsertFunction("__div64", l, l, l, 0);
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// long __div64(long, long);
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__mul64Fn = M.getOrInsertFunction("__mul64", l, l, l, 0);
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// long __div64(long, long);
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__rem64Fn = M.getOrInsertFunction("__rem64", l, l, l, 0);
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// unsigned long __udiv64(unsigned long, unsigned long);
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__udiv64Fn = M.getOrInsertFunction("__udiv64", ul, ul, ul, 0);
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// unsigned long __umul64(unsigned long, unsigned long);
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__umul64Fn = M.getOrInsertFunction("__umul64", ul, ul, ul, 0);
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// unsigned long __urem64(unsigned long, unsigned long);
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__urem64Fn = M.getOrInsertFunction("__urem64", ul, ul, ul, 0);
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return true;
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}
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/// runOnFunction - Top level implementation of instruction selection for
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/// the entire function.
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///
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@ -36,10 +36,6 @@ namespace {
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MachineBasicBlock *BB; // The current MBB we are compiling
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int VarArgsOffset; // Offset from fp for start of varargs area
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// External functions we may use in compiling the Module
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Function *__div64Fn, *__mul64Fn, *__rem64Fn,
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*__udiv64Fn, *__umul64Fn, *__urem64Fn;
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std::map<Value*, unsigned> RegMap; // Mapping between Val's and SSA Regs
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// MBBMap - Mapping between LLVM BB -> Machine BB
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@ -47,25 +43,6 @@ namespace {
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V8ISel(TargetMachine &tm) : TM(tm), F(0), BB(0) {}
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bool doInitialization(Module &M) {
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// Add external functions that we may call
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Type *l = Type::LongTy;
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Type *ul = Type::ULongTy;
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// long __div64(long, long);
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__div64Fn = M.getOrInsertFunction("__div64", l, l, l, 0);
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// long __div64(long, long);
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__mul64Fn = M.getOrInsertFunction("__mul64", l, l, l, 0);
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// long __div64(long, long);
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__rem64Fn = M.getOrInsertFunction("__rem64", l, l, l, 0);
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// unsigned long __udiv64(unsigned long, unsigned long);
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__udiv64Fn = M.getOrInsertFunction("__udiv64", ul, ul, ul, 0);
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// unsigned long __umul64(unsigned long, unsigned long);
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__umul64Fn = M.getOrInsertFunction("__umul64", ul, ul, ul, 0);
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// unsigned long __urem64(unsigned long, unsigned long);
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__urem64Fn = M.getOrInsertFunction("__urem64", ul, ul, ul, 0);
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return true;
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}
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/// runOnFunction - Top level implementation of instruction selection for
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/// the entire function.
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///
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