Wouter van Oortmerssen c7b89f0f62 [WebAssembly] Enforce assembler emits to streamer in order. ... Summary: The assembler processes directives and instructions in whatever order they are in the file, then directly emits them to the streamer. This could cause badly written (or generated) .s files to produce incorrect binaries. It now has state that tracks what it has most recently seen, to enforce they are emitted in a given order that always produces correct wasm binaries. Also added a new test that compares obj2yaml output from llc (the backend) to that going via .s and the assembler to ensure both paths generate the same binaries. The features this test covers could be extended. Passes all wasm Lit tests. Fixes: https://bugs.llvm.org/show_bug.cgi?id=39557 Reviewers: sbc100, dschuff, aheejin Subscribers: jgravelle-google, sunfish, llvm-commits Differential Revision: https://reviews.llvm.org/D55149 llvm-svn: 348185		2018-12-03 20:30:28 +00:00
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CMakeLists.txt
LLVMBuild.txt
WebAssemblyAsmParser.cpp	[WebAssembly] Enforce assembler emits to streamer in order.	2018-12-03 20:30:28 +00:00