We were allocating global variables for the maximum LDS size
which made the compiler think we were using all of LDS, which
isn't the case.
---
src/gallium/drivers/radeonsi/si_shader.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index 64c367e..5d972cb 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -5420,16 +5420,13 @@ static unsigned llvm_get_type_size(LLVMTypeRef type)
static void declare_tess_lds(struct si_shader_context *ctx)
{
struct gallivm_state *gallivm = &ctx->radeon_bld.gallivm;
- LLVMTypeRef i32 = ctx->radeon_bld.soa.bld_base.uint_bld.elem_type;
- unsigned lds_size = ctx->screen->b.chip_class >= CIK ? 65536 : 32768;
+ struct lp_build_tgsi_context *bld_base = &ctx->radeon_bld.soa.bld_base;
+ struct lp_build_context *uint = &bld_base->uint_bld;
- /* The actual size is computed outside of the shader to reduce
- * the number of shader variants. */
- ctx->lds =
- LLVMAddGlobalInAddressSpace(gallivm->module,
- LLVMArrayType(i32, lds_size / 4),
- "tess_lds",
- LOCAL_ADDR_SPACE);
+ unsigned lds_size = ctx->screen->b.chip_class >= CIK ? 65536 : 32768;
+ ctx->lds = LLVMBuildIntToPtr(gallivm->builder, uint->zero,
+ LLVMPointerType(LLVMArrayType(ctx->i32, lds_size / 4),
LOCAL_ADDR_SPACE),
+ "tess_lds");
}
static void create_function(struct si_shader_context *ctx)
--
2.7.4
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