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* [WebAssembly] Update CodeGen test expectations after rL354697. NFCSam Clegg2019-02-231-4/+4
| | | | llvm-svn: 354705
* [WebAssembly] Re-enable main-function signature rewritingDan Gohman2019-01-291-1/+1
| | | | | | | | | | | | | | | | Re-enable the code to rewrite main-function signatures into "int main(int argc, char *argv[])", but limited to only handling the case of "int main(void)", so that it doesn't silently strip an argument in the "int main(int argc, char *argv[], char *envp[])" case. This allows main to be called by C startup code, since WebAssembly requires caller and callee signatures to match, so it can't rely on passing main a different number of arguments than it expects. Differential Revision: https://reviews.llvm.org/D57323 llvm-svn: 352479
* [WebAssembly] replaced .param/.result by .functypeWouter van Oortmerssen2018-11-191-2/+2
| | | | | | | | | | | | | | | | | | | | | Summary: This makes it easier/cleaner to generate a single signature from this directive. Also: - Adds the symbol name, such that we don't depend on the location of this directive anymore. - Actually constructs the signature in the assembler, and make the assembler own it. - Refactor the use of MVT vs ValType in the streamer and assembler to require less conversions overall. - Changed 700 or so tests to use it. Reviewers: sbc100, dschuff Subscribers: jgravelle-google, eraman, aheejin, sunfish, jfb, llvm-commits Differential Revision: https://reviews.llvm.org/D54652 llvm-svn: 347228
* Revert "[WebAssembly] Fixup `main` signature by default"Sam Clegg2018-11-061-1/+1
| | | | | | | | | | This reverts rL345880. It caused some test failures on the webassembly waterfall. e.g. binaryen2.test_mainenv fails due the fact that `envp` ends up being undef rather than 0. Differential Revision: https://reviews.llvm.org/D54117 llvm-svn: 346187
* [WebAssembly] Fixup `main` signature by defaultSam Clegg2018-11-011-1/+1
| | | | | | Differential Revision: https://reviews.llvm.org/D53396 llvm-svn: 345880
* [WebAssembly] Added default stack-only instruction mode for MC.Wouter van Oortmerssen2018-08-271-1/+1
| | | | | | | | | | | | | | | | | | | | | Summary: Made it convert from register to stack based instructions, and removed the registers. Fixes to related code that was expecting register based instructions. Added the correct testing flag to all tests, depending on what the format they were expecting so far. Translated one test to stack format as example: reg-stackify-stack.ll tested: llvm-lit -v `find test -name WebAssembly` unittests/MC/* Reviewers: dschuff, sunfish Subscribers: sbc100, jgravelle-google, eraman, aheejin, llvm-commits, jfb Differential Revision: https://reviews.llvm.org/D51241 llvm-svn: 340750
* Revert "[WebAssembly] Added default stack-only instruction mode for MC."Wouter van Oortmerssen2018-08-131-1/+1
| | | | | | This reverts commit 917a99b71ce21c975be7bfbf66f4040f965d9f3c. llvm-svn: 339630
* [WebAssembly] Added default stack-only instruction mode for MC.Wouter van Oortmerssen2018-08-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Summary: Moved Explicit Locals pass to last. Made that pass obligatory. Made it convert from register to stack based instructions, and removed the registers. Fixes to related code that was expecting register based instructions. Added the correct testing flag to all tests, depending on what the format they were expecting so far. Translated one test to stack format as example: reg-stackify-stack.ll tested: llvm-lit -v `find test -name WebAssembly` unittests/MC/* Reviewers: dschuff, sunfish Subscribers: jfb, llvm-commits, aheejin, eraman, jgravelle-google, sbc100 Differential Revision: https://reviews.llvm.org/D50568 llvm-svn: 339474
* [WebAssembly] Ensure bitcasts that would result in invalid wasm are removed ↵Sam Clegg2018-08-021-4/+4
| | | | | | | | | | | | by FixFunctionBitcasts Rather than allowing invalid bitcasts to be lowered to wasm call instructions that won't validate, generate wrappers that contain unreachable thereby delaying the error until runtime. Differential Revision: https://reviews.llvm.org/D49517 llvm-svn: 338744
* Revert "[WebAssembly] Added default stack-only instruction mode for MC."Wouter van Oortmerssen2018-07-271-1/+1
| | | | | | | This reverts commit d3c9af4179eae7793d1487d652e2d4e23844555f. (SVN revision 338164) llvm-svn: 338176
* [WebAssembly] Added default stack-only instruction mode for MC.Wouter van Oortmerssen2018-07-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | Summary: Moved Explicit Locals pass to last. Made that pass obligatory. Made it convert from register to stack based instructions, and removed the registers. Fixes to related code that was expecting register based instructions. Added the correct testing flag to all tests, depending on what the format they were expecting so far. Translated one test to stack format as example: reg-stackify-stack.ll tested: llvm-lit -v `find test -name WebAssembly` unittests/MC/* Reviewers: dschuff, sunfish Subscribers: sbc100, jgravelle-google, eraman, aheejin, llvm-commits Differential Revision: https://reviews.llvm.org/D49160 llvm-svn: 338164
* [WebAsembly] Update default triple in test files to wasm32-unknown-unkown.Sam Clegg2018-05-101-1/+1
| | | | | | | | | | Summary: The final -wasm component has been the default for some time now. Subscribers: jfb, dschuff, jgravelle-google, eraman, aheejin, JDevlieghere, sunfish, llvm-commits Differential Revision: https://reviews.llvm.org/D46342 llvm-svn: 332007
* [WebAssembly] Reapply r319186: "Support bitcasted function addresses with ↵Dan Gohman2017-12-081-0/+31
| | | | | | | | | varargs." This puts the functionality under control of a command-line option which is off by default to avoid breaking existing setups. llvm-svn: 320197
* [WebAssembly] Revert r319186 "Support bitcasted function addresses with ↵Dan Gohman2017-11-301-31/+0
| | | | | | | | | | | varargs." The patch broke Emscripten's EM_ASM macros, which utiltize unprototyped functions. See https://bugs.llvm.org/show_bug.cgi?id=35385 for details. llvm-svn: 319452
* [WebAssembly] Support bitcasted function addresses with varargs.Dan Gohman2017-11-281-0/+31
Generalize FixFunctionBitcasts to handle varargs functions. This in particular fixes the case where clang bitcasts away a varargs when calling a K&R-style function. This avoids interacting with tricky ABI details because it operates at the LLVM IR level before varargs ABI details are exposed. This fixes PR35385. llvm-svn: 319186
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