Subzero: Use the linear-scan register allocator for Om1 as well.
This removes the need for Om1's postLower() code which did its own ad-hoc register allocation. And it actually speeds up Om1 translation significantly.
This mode of register allocation only allocates for infinite-weight Variables, while respecting live ranges of pre-colored Variables.
BUG= none
R=jvoung@chromium.org
Review URL: https://codereview.chromium.org/733643005
diff --git a/src/IceTranslator.cpp b/src/IceTranslator.cpp
index edaa74f..08e5697 100644
--- a/src/IceTranslator.cpp
+++ b/src/IceTranslator.cpp
@@ -83,10 +83,12 @@
ErrorStatus = true;
}
- if (Ctx->getFlags().UseIntegratedAssembler) {
- Func->emitIAS();
- } else {
- Func->emit();
+ if (!ErrorStatus) {
+ if (Ctx->getFlags().UseIntegratedAssembler) {
+ Func->emitIAS();
+ } else {
+ Func->emit();
+ }
}
Ctx->dumpStats(Func->getFunctionName());
}
