From: Marek Olšák <marek.ol...@amd.com>
This was undefined yet harmless behavior in LLVM.
Not anymore - it causes a hang now.
Cc: 17.3 <mesa-sta...@lists.freedesktop.org>
---
src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
index 35ada5f..80f986a 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
@@ -139,21 +139,21 @@ LLVMValueRef si_load_image_desc(struct si_shader_context
*ctx,
LLVMConstInt(ctx->i32, 2, 0), "");
index = LLVMBuildAdd(builder, index,
ctx->i32_1, "");
list = LLVMBuildPointerCast(builder, list,
si_const_array(ctx->v4i32, 0), "");
} else {
assert(desc_type == AC_DESC_IMAGE);
}
rsrc = ac_build_load_to_sgpr(&ctx->ac, list, index);
- if (dcc_off)
+ if (desc_type == AC_DESC_IMAGE && dcc_off)
rsrc = force_dcc_off(ctx, rsrc);
return rsrc;
}
/**
* Load the resource descriptor for \p image.
*/
static void
image_fetch_rsrc(
struct lp_build_tgsi_context *bld_base,
--
2.7.4
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