From 3a3df9acda0fabfcea8dd06269bd64f75fa16394 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Fri, 21 Oct 2022 00:37:28 +0000 Subject: [PATCH] ac/llvm: add support for device clock on GFX11 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Samuel Pitoiset Reviewed-by: Marek Olšák Part-of: --- src/amd/llvm/ac_llvm_build.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/amd/llvm/ac_llvm_build.c b/src/amd/llvm/ac_llvm_build.c index 8fecb47c830..88c798dd7fa 100644 --- a/src/amd/llvm/ac_llvm_build.c +++ b/src/amd/llvm/ac_llvm_build.c @@ -473,6 +473,13 @@ void ac_build_optimization_barrier(struct ac_llvm_context *ctx, LLVMValueRef *pg LLVMValueRef ac_build_shader_clock(struct ac_llvm_context *ctx, nir_scope scope) { + if (ctx->gfx_level >= GFX11 && scope == NIR_SCOPE_DEVICE) { + const char *name = "llvm.amdgcn.s.sendmsg.rtn.i64"; + LLVMValueRef arg = LLVMConstInt(ctx->i32, 0x83 /* realtime */, 0); + LLVMValueRef tmp = ac_build_intrinsic(ctx, name, ctx->i64, &arg, 1, 0); + return LLVMBuildBitCast(ctx->builder, tmp, ctx->v2i32, ""); + } + const char *subgroup = "llvm.readcyclecounter"; const char *name = scope == NIR_SCOPE_DEVICE ? "llvm.amdgcn.s.memrealtime" : subgroup;