[BOLT] Don't use ld.lld in tests

Summary: Addressing issue 270.

(cherry picked from FBD33255608)

bolt/test/AArch64/tls.c

@@ -26,11 +26,11 @@ int main() {
 // REQUIRES: system-linux
 // RUN: %clang %cflags -no-pie %s -o %t.exe -Wl,-q \
 // RUN:   -Wl,--unresolved-symbols=ignore-all \
-// RUN:   -fuse-ld=ld.lld \
+// RUN:   -fuse-ld=lld \
 // RUN:   -nostdlib
 // RUN: llvm-bolt %t.exe -o %t.bolt
 // RUN: %clang %cflags -fPIC -pie %s -o %t_pie.exe -Wl,-q \
 // RUN:   -Wl,--unresolved-symbols=ignore-all \
-// RUN:   -target aarch64-linux -fuse-ld=ld.lld \
+// RUN:   -target aarch64-linux -fuse-ld=lld \
 // RUN:   -nostdlib
 // RUN: llvm-bolt %t_pie.exe -o %t.bolt

bolt/test/X86/R_X86_64_64.pic.lld.cpp

@@ -2,7 +2,7 @@
  * Check that we don't assert on a duplicate static relocation added by lld
  * against _Z6myfuncv. The same address has a dynamic relocation against it.
  *
- * RUN: %clang -fPIC -shared %s -o %t.so -Wl,-q -fuse-ld=ld.lld
+ * RUN: %clang -fPIC -shared %s -o %t.so -Wl,-q -fuse-ld=lld
  * RUN: llvm-bolt %t.so -o %t.so.bolt -relocs
  */
 

bolt/test/keep-aranges.test

@@ -1,7 +1,7 @@
 # Check that BOLT generates .debug_aranges section for an input
 # where it was removed when .gdb_index was generated.
 RUN: %clang %S/Inputs/icf_baz.c %S/Inputs/icf_main.c -Wl,--icf=all,--gdb-index \
-RUN:   -g -o %t.exe -fuse-ld=ld.lld
+RUN:   -g -o %t.exe -fuse-ld=lld
 RUN: llvm-bolt %t.exe -o %t -update-debug-sections -keep-aranges
 RUN: llvm-dwarfdump -debug-aranges %t | FileCheck %s
 

bolt/test/lit.cfg.py

@@ -66,7 +66,6 @@ tool_dirs = [config.llvm_tools_dir,
 
 tools = [
     ToolSubst('llc', unresolved='fatal'),
-    ToolSubst('lld', unresolved='fatal'),
     ToolSubst('llvm-dwarfdump', unresolved='fatal'),
     ToolSubst('llvm-bolt', unresolved='fatal'),
     ToolSubst('llvm-boltdiff', unresolved='fatal'),