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all: switch to LLVM 13

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This adds support for building with `-tags=llvm13` and switches to LLVM
13 for tinygo binaries that are statically linked against LLVM.

Some notes on this commit:

  * Added `-mfloat-abi=soft` to all Cortex-M targets because otherwise
    nrfx would complain that floating point was enabled on Cortex-M0.
    That's not the case, but with `-mfloat-abi=soft` the `__SOFTFP__`
    macro is defined which silences this warning.
    See: https://reviews.llvm.org/D100372
  * Changed from `--sysroot=<root>` to `-nostdlib -isystem <root>` for
    musl because with Clang 13, even with `--sysroot` some system
    libraries are used which we don't want.
  * Changed all `-Xclang -internal-isystem -Xclang` to simply
    `-isystem`, for consistency with the above change. It appears to
    have the same effect.
  * Moved WebAssembly function declarations to the top of the file in
    task_asyncify_wasm.S because (apparently) the assembler has become
    more strict.
This commit is contained in:
Ayke van Laethem
2021-12-09 02:52:08 +01:00
committed by Ron Evans
parent 32a7b8cc4e
commit ebd4969cde
42 changed files with 142 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/compiler_test.go
+6 -1
View File
@@ -224,7 +224,12 @@ func filterIrrelevantIRLines(lines []string) []string {
}
if llvmVersion < 12 && strings.HasPrefix(line, "attributes ") {
// Ignore attribute groups. These may change between LLVM versions.
// Right now test outputs are for LLVM 12.
// Right now test outputs are for LLVM 12 and higher.
continue
}
if llvmVersion < 13 && strings.HasPrefix(line, "target datalayout = ") {
// The datalayout string may vary betewen LLVM versions.
// Right now test outputs are for LLVM 13 and higher.
continue
}
out = append(out, line)