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PTX: Always use registers for return values, but use .param space for device

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parameters if SM >= 2.0

- Update test cases to be more robust against register allocation changes
- Bump up the number of registers to 128 per type
- Include Python script to re-generate register file with any number of
  registers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133736 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski
2011-06-23 18:10:13 +00:00
parent 6b1131e5ff
commit d8149c1bef
26 changed files with 1043 additions and 403 deletions
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10
lib/Target/PTX/PTXMachineFunctionInfo.h
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@@ -26,7 +26,7 @@ class PTXMachineFunctionInfo : public MachineFunctionInfo {
private:
bool is_kernel;
std::vector<unsigned> reg_arg, reg_local_var;
DenseSet<unsigned> reg_ret;
std::vector<unsigned> reg_ret;
bool _isDoneAddArg;
public:
@@ -40,7 +40,11 @@ public:
void addArgReg(unsigned reg) { reg_arg.push_back(reg); }
void addLocalVarReg(unsigned reg) { reg_local_var.push_back(reg); }
void addRetReg(unsigned reg) { reg_ret.insert(reg); }
void addRetReg(unsigned reg) {
if (!isRetReg(reg)) {
reg_ret.push_back(reg);
}
}
void doneAddArg(void) {
_isDoneAddArg = true;
@@ -51,7 +55,7 @@ public:
typedef std::vector<unsigned>::const_iterator reg_iterator;
typedef std::vector<unsigned>::const_reverse_iterator reg_reverse_iterator;
typedef DenseSet<unsigned>::const_iterator ret_iterator;
typedef std::vector<unsigned>::const_iterator ret_iterator;
bool argRegEmpty() const { return reg_arg.empty(); }
int getNumArg() const { return reg_arg.size(); }