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nv50/ir: set position before i instead of i->next in NV50LoweringPreSSA::visit

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Fixes rendering glitches in Psychonauts such as Raz's eyes flickering white.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=51962.
This commit is contained in:
Bryan Cain 2012-07-17 23:46:39 -05:00 • committed by Christoph Bumiller
parent b2a44cde64
commit 248e6f0331
1 changed files with 2 additions and 7 deletions
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9
src/gallium/drivers/nv50/codegen/nv50_ir_lowering_nv50.cpp
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@ -701,6 +701,7 @@ NV50LoweringPreSSA::handleTXL(TexInstruction *i)
BasicBlock *texiBB = i->bb->splitBefore(i, false);
BasicBlock *joinBB = i->bb->splitAfter(i);
bld.setPosition(currBB, true);
currBB->joinAt = bld.mkFlow(OP_JOINAT, joinBB, CC_ALWAYS, NULL);
for (int l = 0; l <= 3; ++l) {
@ -1030,13 +1031,7 @@ NV50LoweringPreSSA::checkPredicate(Instruction *insn)
bool
NV50LoweringPreSSA::visit(Instruction *i)
{
if (i->prev)
bld.setPosition(i->prev, true);
else
if (i->next)
bld.setPosition(i->next, false);
else
bld.setPosition(i->bb, true);
bld.setPosition(i, false);
if (i->cc != CC_ALWAYS)
checkPredicate(i);