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spirv: deny global OpVariable in inline asm

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This feature requires to be integrated with the mechanism that orders the
global variables, and that is not yet in place.
This commit is contained in:
Robin Voetter 2023-04-08 15:05:29 +02:00
parent 1de2d2ee1c
commit fe0fb93fa0
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1 changed files with 6 additions and 2 deletions
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8
src/codegen/spirv/Assembler.zig
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@ -444,8 +444,12 @@ fn processGenericInstruction(self: *Assembler) !?AsmValue {
.OpExecutionMode, .OpExecutionModeId => &self.spv.sections.execution_modes,
.OpVariable => switch (@intToEnum(spec.StorageClass, operands[2].value)) {
.Function => &self.func.prologue,
// TODO: Emit a decl dependency
else => &self.spv.sections.types_globals_constants,
else => {
// This is currently disabled because global variables are required to be
// emitted in the proper order, and this should be honored in inline assembly
// as well.
return self.todo("global variables", .{});
},
},
// Default case - to be worked out further.
else => &self.func.body,