diff options
| author | mlugg <mlugg@mlugg.co.uk> | 2023-04-19 01:58:39 +0100 |
|---|---|---|
| committer | mlugg <mlugg@mlugg.co.uk> | 2023-04-20 20:49:34 +0100 |
| commit | 6f09a7041ecf328f761df60fae007c800ee1e2ec (patch) | |
| tree | 4083f83a3f90e1e4725026243eb1b7bc64b3f977 /src/codegen | |
| parent | e0886506531d662067ae42ade9f099ff9c940f58 (diff) | |
| download | zig-6f09a7041ecf328f761df60fae007c800ee1e2ec.tar.gz zig-6f09a7041ecf328f761df60fae007c800ee1e2ec.zip | |
Begin integrating new liveness analysis into remaining backends
Diffstat (limited to 'src/codegen')
| -rw-r--r-- | src/codegen/spirv.zig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/codegen/spirv.zig b/src/codegen/spirv.zig index 58da5539ac..87b72c6726 100644 --- a/src/codegen/spirv.zig +++ b/src/codegen/spirv.zig @@ -1507,6 +1507,11 @@ pub const DeclGen = struct { } fn genInst(self: *DeclGen, inst: Air.Inst.Index) !void { + // TODO: remove now-redundant isUnused calls from AIR handler functions + if (self.liveness.isUnused(inst) and !self.air.mustLower(inst)) { + return; + } + const air_tags = self.air.instructions.items(.tag); const maybe_result_id: ?IdRef = switch (air_tags[inst]) { // zig fmt: off |