Module: Mesa
Branch: master
Commit: 7dfa54399cd42715f29821bb0c2ac3b58394e37c
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=7dfa54399cd42715f29821bb0c2ac3b58394e37c

Author: Grazvydas Ignotas <[email protected]>
Date:   Wed Jun  7 01:55:26 2017 +0300

ac/nir: convert several ifs to a switch

Also solve "outinfo may be used uninitialized" warning by putting in an
unreachable().

Signed-off-by: Grazvydas Ignotas <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>

---

 src/amd/common/ac_nir_to_llvm.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index 02281904f8..42be6de99c 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -5760,23 +5760,25 @@ ac_nir_eliminate_const_vs_outputs(struct 
nir_to_llvm_context *ctx)
 {
        struct ac_vs_output_info *outinfo;
 
-       if (ctx->stage == MESA_SHADER_FRAGMENT ||
-           ctx->stage == MESA_SHADER_COMPUTE ||
-           ctx->stage == MESA_SHADER_TESS_CTRL ||
-           ctx->stage == MESA_SHADER_GEOMETRY)
+       switch (ctx->stage) {
+       case MESA_SHADER_FRAGMENT:
+       case MESA_SHADER_COMPUTE:
+       case MESA_SHADER_TESS_CTRL:
+       case MESA_SHADER_GEOMETRY:
                return;
-
-       if (ctx->stage == MESA_SHADER_VERTEX) {
+       case MESA_SHADER_VERTEX:
                if (ctx->options->key.vs.as_ls ||
                    ctx->options->key.vs.as_es)
                        return;
                outinfo = &ctx->shader_info->vs.outinfo;
-       }
-
-       if (ctx->stage == MESA_SHADER_TESS_EVAL) {
+               break;
+       case MESA_SHADER_TESS_EVAL:
                if (ctx->options->key.vs.as_es)
                        return;
                outinfo = &ctx->shader_info->tes.outinfo;
+               break;
+       default:
+               unreachable("Unhandled shader type");
        }
 
        ac_optimize_vs_outputs(&ctx->ac,

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