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@ -428,19 +428,15 @@ void FoldFSwizzleAdd(IR::Block& block, IR::Inst& inst) {
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if (!swizzle.IsImmediate()) {
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return;
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}
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const IR::Value value_1{GetThroughCast(inst.Arg(0).Resolve(), IR::Opcode::BitCastF32U32)};
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const IR::Value value_2{GetThroughCast(inst.Arg(1).Resolve(), IR::Opcode::BitCastF32U32)};
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if (value_1.IsImmediate()) {
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return;
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}
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const u32 swizzle_value{swizzle.U32()};
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if (swizzle_value != 0x99 && swizzle_value != 0xA5) {
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return;
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}
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IR::Inst* const inst2{value_1.InstRecursive()};
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if (inst2->GetOpcode() != IR::Opcode::ShuffleButterfly) {
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return;
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@ -449,19 +445,15 @@ void FoldFSwizzleAdd(IR::Block& block, IR::Inst& inst) {
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if (value_2 != value_3) {
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return;
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}
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const IR::Value index{inst2->Arg(1)};
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const IR::Value clamp{inst2->Arg(2)};
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const IR::Value segmentation_mask{inst2->Arg(3)};
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if (!index.IsImmediate() || !clamp.IsImmediate() || !segmentation_mask.IsImmediate()) {
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return;
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}
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if (clamp.U32() != 3 || segmentation_mask.U32() != 28) {
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return;
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}
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if (swizzle_value == 0x99) {
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// DPdxFine
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if (index.U32() == 1) {
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