Module: Mesa
Branch: master
Commit: c4457113e9327ce16e56fbf5a38a694e04849ab3
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=c4457113e9327ce16e56fbf5a38a694e04849ab3
Author: Rob Clark <robdcl...@gmail.com>
Date: Fri Apr 6 08:28:53 2018 -0400
nir: add comment about nir_src_copy()
So it is more clear about when to use nir_instr_rewrite_src()
Signed-off-by: Rob Clark <robdcl...@gmail.com>
Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>
---
src/compiler/nir/nir.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c
index 8364197480..ef911540f3 100644
--- a/src/compiler/nir/nir.c
+++ b/src/compiler/nir/nir.c
@@ -212,6 +212,9 @@ nir_function_create(nir_shader *shader, const char *name)
return func;
}
+/* NOTE: if the instruction you are copying a src to is already added
+ * to the IR, use nir_instr_rewrite_src() instead.
+ */
void nir_src_copy(nir_src *dest, const nir_src *src, void *mem_ctx)
{
dest->is_ssa = src->is_ssa;
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