From b71fea248fd7cf9ab2c5737997a3dc5682948dc4 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Tue, 26 Aug 2008 20:52:40 +0000 Subject: [PATCH] Don't select binary instructions with illegal types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55383 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/FastISel.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index 81889283532..965fc022868 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -30,6 +30,12 @@ bool FastISel::SelectBinaryOp(Instruction *I, ISD::NodeType ISDOpcode, if (VT == MVT::Other || !VT.isSimple()) // Unhandled type. Halt "fast" selection and bail. return false; + // We only handle legal types. For example, on x86-32 the instruction + // selector contains all of the 64-bit instructions from x86-64, + // under the assumption that i64 won't be used if the target doesn't + // support it. + if (!TLI.isTypeLegal(VT)) + return false; unsigned Op0 = ValueMap[I->getOperand(0)]; if (Op0 == 0) -- 2.34.1