Commit Graph

354 Commits

Author SHA1 Message Date
JF Bastien 088c47ee5b WebAssembly: add a generic CPU
Summary: WebAssemblySubtarget.cpp expects a default 'generic' CPU to exist, and this seems to be prevalent with other targets. It makes sense to have something between MVP and bleeding-edge, even though for now it's the same as MVP. This removes a warning that's currently generated.

Subscribers: jfb, llvm-commits, sunfish

Differential Revision: http://reviews.llvm.org/D11546

llvm-svn: 243345
2015-07-27 23:25:54 +00:00
JF Bastien 8969666450 WebAssembly: test that valid -mcpu flags are accepted.
Summary: AArch64 has a similar test.

Subscribers: sunfish, aemerson, llvm-commits, jfb

Differential Revision: http://reviews.llvm.org/D11479

llvm-svn: 243058
2015-07-23 23:00:04 +00:00
JF Bastien b9073fb20a WebAssembly: basic bitcode → assembly CodeGen test
Summary:
Add a basic CodeGen bitcode test which (for now) only prints out the function name and nothing else. The current code merely implements the basic needed for the test run to not crash / assert. Getting to that point required:

 - Basic InstPrinter.
 - Basic AsmPrinter.
 - DiagnosticInfoUnsupported (not strictly required, but nice to have, duplicated from AMDGPU/BPF's ISelLowering).
 - Some SP and register setup in WebAssemblyTargetLowering.
 - Basic LowerFormalArguments.
 - GenInstrInfo.
 - Placeholder LowerFormalArguments.
 - Placeholder CanLowerReturn and LowerReturn.
 - Basic DAGToDAGISel::Select, which requiresGenDAGISel.inc as well as GET_INSTRINFO_ENUM with GenInstrInfo.inc.
 - Remove WebAssemblyFrameLowering::determineCalleeSaves and rely on default.
 - Implement WebAssemblyFrameLowering::hasFP, same as AArch64's implementation.

Follow-up patches will implement a real AsmPrinter, which will require adding MI opcodes specific to WebAssembly.

Reviewers: sunfish

Subscribers: aemerson, jfb, llvm-commits

Differential Revision: http://reviews.llvm.org/D11369

llvm-svn: 242939
2015-07-22 21:28:15 +00:00
Dan Gohman b2f62a32e4 [WebAssembly] Create a CodeGen unittest directory.
llvm-svn: 241520
2015-07-06 23:14:57 +00:00