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nvc0/ir: Fix assert accessing null pointer

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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111007
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111167

Signed-off-by: Mark Menzynski <mmenzyns@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Tobias Klausmann<tobias.klausmann@freenet.de>
(cherry picked from commit 7493fbf032)
This commit is contained in:
Mark Menzynski 2019-07-19 13:09:02 +02:00 • committed by Juan A. Suarez Romero
parent eb24e60cdc
commit 2098b48fa0
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
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@ -51,12 +51,12 @@ NVC0LegalizeSSA::handleDIV(Instruction *i)
// Generate movs to the input regs for the call we want to generate
for (int s = 0; i->srcExists(s); ++s) {
Instruction *ld = i->getSrc(s)->getInsn();
assert(ld->getSrc(0) != NULL);
// check if we are moving an immediate, propagate it in that case
if (!ld || ld->fixed || (ld->op != OP_LOAD && ld->op != OP_MOV) ||
!(ld->src(0).getFile() == FILE_IMMEDIATE))
bld.mkMovToReg(s, i->getSrc(s));
else {
assert(ld->getSrc(0) != NULL);
bld.mkMovToReg(s, ld->getSrc(0));
// Clear the src, to make code elimination possible here before we
// delete the instruction i later