https://bugs.llvm.org/show_bug.cgi?id=33424
Bug ID: 33424
Summary: CodeGen crash for Mips64: Assertion in
InstrEmitter:EmitSubregNode
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: MIPS
Assignee: unassignedb...@nondot.org
Reporter: pir...@google.com
CC: llvm-bugs@lists.llvm.org
Created attachment 18623
--> https://bugs.llvm.org/attachment.cgi?id=18623&action=edit
Simplified reproduction of Mips64 backend crash
void llvm::InstrEmitter::EmitSubregNode(llvm::SDNode*,
llvm::DenseMap<llvm::SDValue, unsigned int>&, bool, bool): Assertion `SRC &&
"No register class supports VT and SubIdx for INSERT_SUBREG"' failed.
Bugpoint-simplified testcase attached. The issue was originally reported in
the Android NDK bugtracker (https://github.com/android-ndk/ndk/issues/419) and
has the full source that fails.
To reproduce, run: llc bugpoint-reduced-simplified.ll
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