From a74b4a3ddc0aadbcf6bf35754cf1c6d4b2d96e67 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 2 Nov 2006 01:39:10 +0000 Subject: [PATCH] generalize this api git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31365 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Target/TargetLowering.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index f6eb5a24e52..7d1f3e00b8f 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -687,8 +687,14 @@ public: /// getRegForInlineAsmConstraint - Given a physical register constraint (e.g. /// {edx}), return the register number and the register class for the - /// register. This should only be used for C_Register constraints. On error, - /// this returns a register number of 0. + /// register. + /// + /// Given a register class constraint, like 'r', if this corresponds directly + /// to an LLVM register class, return a register of 0 and the register class + /// pointer. + /// + /// This should only be used for C_Register constraints. On error, + /// this returns a register number of 0 and a null register class pointer.. virtual std::pair getRegForInlineAsmConstraint(const std::string &Constraint, MVT::ValueType VT) const; -- 2.34.1