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| author | Sanjay Patel <spatel@rotateright.com> | 2014-07-16 21:08:10 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2014-07-16 21:08:10 +0000 |
| commit | ab60d04363bf9aac9f4754ab91d0ab520f30ae79 (patch) | |
| tree | c57ee4229971575f49ce365d92d32d1dd43d7bfa /llvm/lib/CodeGen/CodeGenPrepare.cpp | |
| parent | 0fdd3ae54d07ec8a84efa9ff676d64d7693f88dc (diff) | |
| download | bcm5719-llvm-ab60d04363bf9aac9f4754ab91d0ab520f30ae79.tar.gz bcm5719-llvm-ab60d04363bf9aac9f4754ab91d0ab520f30ae79.zip | |
trivial fix for PR20314
Make sure that the AddrInst is an Instruction.
llvm-svn: 213197
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index ccac40c6696..f2c7e642710 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -2130,8 +2130,11 @@ bool AddressingModeMatcher::MatchOperationAddr(User *AddrInst, unsigned Opcode, return true; } case Instruction::SExt: { + // Make sure this isn't a ConstantExpr (PR20314). + Instruction *SExt = dyn_cast<Instruction>(AddrInst); + if (!SExt) return false; + // Try to move this sext out of the way of the addressing mode. - Instruction *SExt = cast<Instruction>(AddrInst); // Ask for a method for doing so. TypePromotionHelper::Action TPH = TypePromotionHelper::getAction( SExt, InsertedTruncs, TLI, PromotedInsts); |
