[PATCH] Compiler-rt changes to react to skiping promotable allocas.

[Anna Zaks]

Hi kcc, samsonov,

This is the compiler-rt part of the following change: "Skip promotable allocas to improve performance at -O0" http://reviews.llvm.org/D7741.

http://reviews.llvm.org/D7742

Files:
  test/asan/TestCases/alloca_instruments_all_paddings.cc
  test/asan/TestCases/gc-test.cc

Index: test/asan/TestCases/alloca_instruments_all_paddings.cc
===================================================================
--- test/asan/TestCases/alloca_instruments_all_paddings.cc
+++ test/asan/TestCases/alloca_instruments_all_paddings.cc
@@ -1,4 +1,4 @@
-// RUN: %clangxx_asan -O0 -mllvm -asan-instrument-allocas %s -o %t
+// RUN: %clangxx_asan -O0 -mllvm -asan-instrument-allocas -mllvm -asan-skip-promotable-allocas=0 %s -o %t
 // RUN: %run %t 2>&1
 //
 
Index: test/asan/TestCases/gc-test.cc
===================================================================
--- test/asan/TestCases/gc-test.cc
+++ test/asan/TestCases/gc-test.cc
@@ -1,4 +1,4 @@
-// RUN: %clangxx_asan %s -pthread -o %t
+// RUN: %clangxx_asan -O0 -mllvm -asan-skip-promotable-allocas=0 %s -pthread -o %t
 // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
 // RUN: env ASAN_OPTIONS=detect_stack_use_after_return=0 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
 // REQUIRES: stable-runtime

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