From 11fcf46590129abfa2ca2117a320e8a8052761e4 Mon Sep 17 00:00:00 2001 From: Ilia Mirkin Date: Wed, 2 Dec 2015 20:10:54 -0500 Subject: [PATCH] nv50/ir: the mad source might not have a defining instruction For example if it's $r63 (aka 0), there won't be a definition. Signed-off-by: Ilia Mirkin Cc: "11.0 11.1" --- src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp index 9c42e4a..0f3caa8 100644 --- a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp +++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp @@ -2660,7 +2660,7 @@ NV50PostRaConstantFolding::visit(BasicBlock *bb) break; def = i->getSrc(1)->getInsn(); - if (def->op == OP_MOV && def->src(0).getFile() == FILE_IMMEDIATE) { + if (def && def->op == OP_MOV && def->src(0).getFile() == FILE_IMMEDIATE) { vtmp = i->getSrc(1); i->setSrc(1, def->getSrc(0)); -- 2.7.4