Revert r301487: Replace HashString algorithm with xxHash64

This reverts commit r301487 to make buildbots green.

llvm-svn: 301491

3 files changed, 6 insertions, 13 deletions

diff --git a/clang/test/CodeGen/target-features-error-2.c b/clang/test/CodeGen/target-features-error-2.c
index 9ce829a48c8..683d9ab99ef 100644
--- a/clang/test/CodeGen/target-features-error-2.c
+++ b/clang/test/CodeGen/target-features-error-2.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -verify -o - -D NEED_SSE41
+// RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -verify -o - -D NEED_SSE42
 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -verify -o - -D NEED_AVX_1
 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -verify -o - -D NEED_AVX_2
 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -verify -o - -D NEED_AVX_3
@@ -7,12 +7,9 @@
 #define __MM_MALLOC_H
 #include <x86intrin.h>
 
-// Really, this needs AVX, but because targetting AVX includes all the SSE features too, and
-// features are sorted by hash function, and we just return the first missing feature, then we end
-// up returning the subfeature sse4.1 instead of avx.
-#if NEED_SSE41
+#if NEED_SSE42
 int baz(__m256i a) {
-  return _mm256_extract_epi32(a, 3); // expected-error {{always_inline function '_mm256_extract_epi32' requires target feature 'sse4.1', but would be inlined into function 'baz' that is compiled without support for 'sse4.1'}}
+  return _mm256_extract_epi32(a, 3); // expected-error {{always_inline function '_mm256_extract_epi32' requires target feature 'sse4.2', but would be inlined into function 'baz' that is compiled without support for 'sse4.2'}}
 }
 #endif
 
diff --git a/clang/test/CodeGen/target-features-error.c b/clang/test/CodeGen/target-features-error.c
index d4deabd66ba..518f6e6189e 100644
--- a/clang/test/CodeGen/target-features-error.c
+++ b/clang/test/CodeGen/target-features-error.c
@@ -3,5 +3,6 @@ int __attribute__((target("avx"), always_inline)) foo(int a) {
   return a + 4;
 }
 int bar() {
-  return foo(4); // expected-error {{always_inline function 'foo' requires target feature 'sse4.1', but would be inlined into function 'bar' that is compiled without support for 'sse4.1'}}
+  return foo(4); // expected-error {{always_inline function 'foo' requires target feature 'sse4.2', but would be inlined into function 'bar' that is compiled without support for 'sse4.2'}}
 }
+
diff --git a/clang/test/SemaCXX/typo-correction-delayed.cpp b/clang/test/SemaCXX/typo-correction-delayed.cpp
index 11d54006f3e..610d4397138 100644
--- a/clang/test/SemaCXX/typo-correction-delayed.cpp
+++ b/clang/test/SemaCXX/typo-correction-delayed.cpp
@@ -52,7 +52,6 @@ void testNoCandidates() {
 }
 
 class string {};
-
 struct Item {
   void Nest();
   string text();
@@ -89,16 +88,12 @@ void f(LinkedNode *node) {
 struct NestedNode {
   NestedNode* Nest();
   NestedNode* next();
-  // Note, this test is dependent on the order in which identifiers are passed
-  // to the typo corrector, which is based on the hash function used.  For
-  // consistency, I am making the next keyword the first identifier returned.
-  string eext() const;
+  string text() const;
 };
 void f(NestedNode *node) {
   // There are two equidistant, usable corrections for Next: next and Nest
   NestedNode *next = node->Next();  // expected-error-re {{no member named 'Next' in 'initializerCorrections::NestedNode'{{$}}}}
 }
-
 }
 
 namespace PR21669 {