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-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index dc9cf99fde6..58004f0201e 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -5708,7 +5708,9 @@ getRegClassForInlineAsmConstraint(const std::string &Constraint,
return make_vector<unsigned>(X86::AX, X86::DX, X86::CX, X86::BX, 0);
else if (VT == MVT::i8)
return make_vector<unsigned>(X86::AL, X86::DL, X86::CL, X86::BL, 0);
- break;
+ else if (VT == MVT::i64)
+ return make_vector<unsigned>(X86::RAX, X86::RDX, X86::RCX, X86::RBX, 0);
+ break;
}
}
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