shader: Read branch conditions from an instruction

Fixes the identity removal pass.
2021-07-22 21:51:32 -04:00
parent 4bad415bca
commit 9bb3e008c9
12 changed files with 36 additions and 16 deletions
@@ -139,6 +139,7 @@ void RegAlloc::Free(Id id) {
 /*static*/ bool RegAlloc::IsAliased(const IR::Inst& inst) {
    switch (inst.GetOpcode()) {
    case IR::Opcode::Identity:
+    case IR::Opcode::ConditionRef:
    case IR::Opcode::BitCastU16F16:
    case IR::Opcode::BitCastU32F32:
    case IR::Opcode::BitCastU64F64: