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| author | Chris Lattner <sabre@nondot.org> | 2007-03-25 04:35:41 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-03-25 04:35:41 +0000 |
| commit | c13dd1cf4c0d83ac3ed2a6b0c36fab72e9d6c6e5 (patch) | |
| tree | cb5c7ef377a7679cd2885bf577d5ab15ca6776c8 /lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
| parent | eab65a060c20c1120c233d56177fcfdb996d44a5 (diff) | |
implement initial support for the silly X constraint. Testcase here: CodeGen/X86/2007-03-24-InlineAsmXConstraint.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35327 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/TargetLowering.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 7433a79f9f..ee9fa67fa4 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -1841,6 +1841,7 @@ TargetLowering::getConstraintType(const std::string &Constraint) const { case 'i': // Simple Integer or Relocatable Constant case 'n': // Simple Integer case 's': // Relocatable Constant + case 'X': // Allow ANY value. case 'I': // Target registers. case 'J': case 'K': @@ -1870,6 +1871,7 @@ SDOperand TargetLowering::isOperandValidForConstraint(SDOperand Op, case 'i': // Simple Integer or Relocatable Constant case 'n': // Simple Integer case 's': // Relocatable Constant + case 'X': // Allows any operand. // These are okay if the operand is either a global variable address or a // simple immediate value. If we have one of these, map to the TargetXXX // version so that the value itself doesn't get selected. |