From 4c54f059150c197da3941b1b20efa70ba2f06e1f Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Tue, 6 Oct 2020 18:58:45 +0200
Subject: [PATCH] nir/constant_folding: init nir_const_value to zero

To avoid NIR validation failures.

Fixes: 9df1ff36781 ("nir/constant_folding: Use the builder")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7035>
---
 src/compiler/nir/nir_opt_constant_folding.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/nir/nir_opt_constant_folding.c b/src/compiler/nir/nir_opt_constant_folding.c
index 6f8e3a86a5c..47dde5c3b4c 100644
--- a/src/compiler/nir/nir_opt_constant_folding.c
+++ b/src/compiler/nir/nir_opt_constant_folding.c
@@ -230,6 +230,7 @@ try_fold_intrinsic(nir_builder *b, nir_intrinsic_instr *instr,
                                 instr->dest.ssa.bit_size);
       } else {
          nir_const_value imm[NIR_MAX_VEC_COMPONENTS];
+         memset(imm, 0, sizeof(imm));
          uint8_t *data = (uint8_t*)b->shader->constant_data + base;
          for (unsigned i = 0; i < instr->num_components; i++) {
             unsigned bytes = instr->dest.ssa.bit_size / 8;