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Hacking.

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This commit is contained in:
Ben Vanik
2014-01-28 00:19:05 -08:00
parent 5421108b9e
commit 465c3a41dd
4 changed files with 213 additions and 33 deletions
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18
src/alloy/compiler/passes/value_reduction_pass.cc
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@@ -74,34 +74,40 @@ int ValueReductionPass::Run(HIRBuilder* builder) {
OpcodeSignatureType src1_type = GET_OPCODE_SIG_TYPE_SRC1(info->signature);
OpcodeSignatureType src2_type = GET_OPCODE_SIG_TYPE_SRC2(info->signature);
OpcodeSignatureType src3_type = GET_OPCODE_SIG_TYPE_SRC3(info->signature);
if (src1_type == OPCODE_SIG_TYPE_V && !instr->src1.value->IsConstant()) {
if (src1_type == OPCODE_SIG_TYPE_V) {
auto v = instr->src1.value;
if (!v->last_use) {
ComputeLastUse(v);
}
if (v->last_use == instr) {
// Available.
ordinals.set(v->ordinal, false);
if (!instr->src1.value->IsConstant()) {
ordinals.set(v->ordinal, false);
}
}
}
if (src2_type == OPCODE_SIG_TYPE_V && !instr->src2.value->IsConstant()) {
if (src2_type == OPCODE_SIG_TYPE_V) {
auto v = instr->src2.value;
if (!v->last_use) {
ComputeLastUse(v);
}
if (v->last_use == instr) {
// Available.
ordinals.set(v->ordinal, false);
if (!instr->src2.value->IsConstant()) {
ordinals.set(v->ordinal, false);
}
}
}
if (src3_type == OPCODE_SIG_TYPE_V && !instr->src3.value->IsConstant()) {
if (src3_type == OPCODE_SIG_TYPE_V) {
auto v = instr->src3.value;
if (!v->last_use) {
ComputeLastUse(v);
}
if (v->last_use == instr) {
// Available.
ordinals.set(v->ordinal, false);
if (!instr->src3.value->IsConstant()) {
ordinals.set(v->ordinal, false);
}
}
}
if (dest_type == OPCODE_SIG_TYPE_V) {