Mesa (master): spirv: Allow constants and NULLs in SpvOpConvertUToPtr
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Fri Apr 24 09:40:45 UTC 2020
Module: Mesa
Branch: master
Commit: 64e4297629a1c4be501b40fb3529ff11441eff99
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=64e4297629a1c4be501b40fb3529ff11441eff99
Author: Jason Ekstrand <jason at jlekstrand.net>
Date: Wed Apr 22 02:50:30 2020 -0500
spirv: Allow constants and NULLs in SpvOpConvertUToPtr
We were accidentally asserting that the value had to be a vtn_ssa_value
which isn't true if it, for instance, comes from a spec constant.
Fixes: fb282a68bc46 "spirv: Implement OpConvertPtrToU and OpConvertUToPtr"
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira at intel.com>
Acked-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4675>
---
src/compiler/spirv/vtn_variables.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index a4b5799afc4..9a6ddc2db1e 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -2751,7 +2751,7 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
case SpvOpConvertUToPtr: {
struct vtn_value *ptr_val =
vtn_push_value(b, w[2], vtn_value_type_pointer);
- struct vtn_value *u_val = vtn_value(b, w[3], vtn_value_type_ssa);
+ struct vtn_value *u_val = vtn_untyped_value(b, w[3]);
vtn_fail_if(ptr_val->type->type == NULL,
"OpConvertUToPtr can only be used on physical pointers");
@@ -2761,7 +2761,8 @@ vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
"OpConvertUToPtr can only be used to cast from a vector or "
"scalar type");
- nir_ssa_def *ptr_ssa = nir_sloppy_bitcast(&b->nb, u_val->ssa->def,
+ struct vtn_ssa_value *u_ssa = vtn_ssa_value(b, w[3]);
+ nir_ssa_def *ptr_ssa = nir_sloppy_bitcast(&b->nb, u_ssa->def,
ptr_val->type->type);
ptr_val->pointer = vtn_pointer_from_ssa(b, ptr_ssa, ptr_val->type);
vtn_foreach_decoration(b, ptr_val, ptr_decoration_cb, ptr_val->pointer);
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