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authorIlia Mirkin <[email protected]>2015-12-02 20:10:54 -0500
committerIlia Mirkin <[email protected]>2015-12-02 20:41:37 -0500
commit11fcf46590129abfa2ca2117a320e8a8052761e4 (patch)
tree5221949338cb37f6c6e1ee90b058fd80f0a937f9 /src/gallium/drivers
parent52b68375aeaa1ff6bca48eb833176d3498aa48f7 (diff)
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 <[email protected]> Cc: "11.0 11.1" <[email protected]>
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_peephole.cpp
index 9c42e4a7e01..0f3caa8f07e 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));