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Unified Diff: src/x64/lithium-x64.cc

Issue 10033028: Reland arguments access support for inlined functions (r11109,r11118). (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix Kevin's comments Created 8 years, 8 months ago
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Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index d147907035fbfb10b746c69a975bfd083bd3bdc0..96e7090f42b857dd4f4deb4637d470fd35e7370f 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -1071,7 +1071,8 @@ LInstruction* LChunkBuilder::DoArgumentsLength(HArgumentsLength* length) {
LInstruction* LChunkBuilder::DoArgumentsElements(HArgumentsElements* elems) {
- return DefineAsRegister(new(zone()) LArgumentsElements);
+ return DefineAsRegister(new(zone()) LArgumentsElements(
+ elems->from_inlined()));
}
@@ -2270,8 +2271,8 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
undefined,
instr->call_kind(),
instr->is_construct());
- if (instr->arguments() != NULL) {
- inner->Bind(instr->arguments(), graph()->GetArgumentsObject());
+ if (instr->arguments_var() != NULL) {
+ inner->Bind(instr->arguments_var(), graph()->GetArgumentsObject());
}
current_block_->UpdateEnvironment(inner);
chunk_->AddInlinedClosure(instr->closure());
@@ -2280,10 +2281,21 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) {
+ LInstruction* pop = NULL;
+
+ HEnvironment* env = current_block_->last_environment();
+
+ if (instr->arguments_pushed()) {
+ int argument_count = env->arguments_environment()->parameter_count();
+ pop = new(zone()) LDrop(argument_count);
+ argument_count_ -= argument_count;
+ }
+
HEnvironment* outer = current_block_->last_environment()->
DiscardInlined(false);
current_block_->UpdateEnvironment(outer);
- return NULL;
+
+ return pop;
}

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