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nir: Add new nir_builder helpers for iadd with no_unsigned_wrap.

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Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9201>
This commit is contained in:
Timur Kristóf 2021-02-16 18:18:52 +01:00 • committed by Marge Bot
parent 5bc42ce579
commit f6f68d5cf1
1 changed files with 16 additions and 0 deletions
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16
src/compiler/nir/nir_builder.h
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@ -815,6 +815,22 @@ nir_iadd_imm(nir_builder *build, nir_ssa_def *x, uint64_t y)
}
}
static inline nir_ssa_def *
nir_iadd_imm_nuw(nir_builder *b, nir_ssa_def *x, uint64_t y)
{
nir_ssa_def *d = nir_iadd_imm(b, x, y);
if (d != x && d->parent_instr->type == nir_instr_type_alu)
nir_instr_as_alu(d->parent_instr)->no_unsigned_wrap = true;
return d;
}
static inline nir_ssa_def *
nir_iadd_nuw(nir_builder *b, nir_ssa_def *x, nir_ssa_def *y)
{
nir_ssa_def *d = nir_iadd(b, x, y);
nir_instr_as_alu(d->parent_instr)->no_unsigned_wrap = true;
return d;
}
static inline nir_ssa_def *
nir_ieq_imm(nir_builder *build, nir_ssa_def *x, uint64_t y)