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microsoft/spirv_to_dxil: Fixes maybe-uninitialized compiling error in dxil_spirv_nir.c

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Fixes following errors:
../src/microsoft/spirv_to_dxil/dxil_spirv_nir.c
In file included from ../src/compiler/nir/nir_builder.h:365,
                 from ../src/microsoft/compiler/dxil_nir.h:29,
                 from ../src/microsoft/spirv_to_dxil/dxil_spirv_nir.c:28:
../src/microsoft/spirv_to_dxil/dxil_spirv_nir.c: In function 'dxil_spirv_nir_passes':
src/compiler/nir/nir_builder_opcodes.h:1321:11: error: 'dyn_yz_flip_mask' may be used uninitialized in this function [-Werror=maybe-uninitialized]
 1321 |    return nir_build_alu2(build, nir_op_iand, src0, src1);
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../src/microsoft/spirv_to_dxil/dxil_spirv_nir.c:290:59: note: 'dyn_yz_flip_mask' was declared here
  290 |    nir_ssa_def *y_flip_mask = NULL, *z_flip_mask = NULL, *dyn_yz_flip_mask;
      |                                                           ^~~~~~~~~~~~~~~~

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16671>
This commit is contained in:
Yonggang Luo 2022-05-07 09:59:44 +08:00 • committed by Marge Bot
parent 2e79e4b6d8
commit 29baa326b9
1 changed files with 1 additions and 1 deletions
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src/microsoft/spirv_to_dxil/dxil_spirv_nir.c
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@ -286,7 +286,7 @@ lower_yz_flip(struct nir_builder *builder, nir_instr *instr,
nir_ssa_def *pos = nir_ssa_for_src(builder, intrin->src[1], 4);
nir_ssa_def *y_pos = nir_channel(builder, pos, 1);
nir_ssa_def *z_pos = nir_channel(builder, pos, 2);
nir_ssa_def *y_flip_mask = NULL, *z_flip_mask = NULL, *dyn_yz_flip_mask;
nir_ssa_def *y_flip_mask = NULL, *z_flip_mask = NULL, *dyn_yz_flip_mask = NULL;
if (rt_conf->yz_flip.mode & DXIL_SPIRV_YZ_FLIP_CONDITIONAL) {
// conditional YZ-flip. The flip bitmask is passed through the vertex