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[FRONTEND] Added compilation flag to force use of .nc cache modifier (#134)

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in DRAM loads. /!\ USE CAREFULLY - THIS CAN BREAK CORRECTNESS IF MISUSED
/!\
This commit is contained in:
Philippe Tillet
2021-07-20 17:58:06 -04:00
committed by Philippe Tillet
parent 2824345065
commit 01276b5153
7 changed files with 27 additions and 18 deletions
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4
lib/codegen/pass.cc
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@@ -26,7 +26,7 @@ namespace codegen {
// TODO:
// There should be a proper pass manager there!
void add_passes_to_emit_bin(ir::module &ir, driver::device *dev, int num_warps, int num_stages,
void add_passes_to_emit_bin(ir::module &ir, driver::device *dev, int num_warps, int num_stages, bool force_nc_cache,
driver::module *&mod, driver::kernel *&ker, size_t &shared_mem) {
// generate llvm code
llvm::LLVMContext ctx;
@@ -51,7 +51,7 @@ void add_passes_to_emit_bin(ir::module &ir, driver::device *dev, int num_warps,
codegen::transform::coalesce coalesce(&align, &layouts);
codegen::transform::prefetch prefetch_s(target.get());
codegen::transform::membar barriers(&liveness, &layouts, &allocation, &prefetch_s, target.get());
codegen::generator isel(&axes, &layouts, &align, &allocation, &swizzle, target.get(), num_warps);
codegen::generator isel(&axes, &layouts, &align, &allocation, &swizzle, target.get(), num_warps, force_nc_cache);
// run passes
dce.run(ir);
peephole.run(ir);