New round of fixes for "Always compile debuginfo-tests for the host triple"

clang tests were breaking, at least when compiling clang only, from an
installed llvm. Make the lit.cfg script deal with the case when we don't
have a host_triple available.

llvm-svn: 220152

debuginfo-tests/aggregate-indirect-arg.cpp

@@ -1,5 +1,5 @@
-// RUN: %clangxx --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
-// RUN: %clangxx --target=%itanium_abi_host_triple %t.o -o %t.out
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clangxx %target_itanium_abi_host_triple %t.o -o %t.out
 // RUN: %test_debuginfo %s %t.out 
 // Radar 8945514
 // DEBUGGER: break 22

debuginfo-tests/block_var.m

@@ -1,5 +1,5 @@
-// RUN: %clang --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
-// RUN: %clang --target=%itanium_abi_host_triple %t.o -o %t.out -framework Foundation
+// RUN: %clang %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clang %target_itanium_abi_host_triple %t.o -o %t.out -framework Foundation
 // RUN: %test_debuginfo %s %t.out 
 
 // REQUIRES: system-darwin

debuginfo-tests/blocks.m

@@ -1,5 +1,5 @@
-// RUN: %clang --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
-// RUN: %clang --target=%itanium_abi_host_triple %t.o -o %t.out -framework Foundation
+// RUN: %clang %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clang %target_itanium_abi_host_triple %t.o -o %t.out -framework Foundation
 // RUN: %test_debuginfo %s %t.out 
 
 // REQUIRES: system-darwin

debuginfo-tests/ctor.cpp

@@ -1,5 +1,5 @@
-// RUN: %clangxx --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
-// RUN: %clangxx --target=%itanium_abi_host_triple %t.o -o %t.out
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clangxx %target_itanium_abi_host_triple %t.o -o %t.out
 // RUN: %test_debuginfo %s %t.out 
 
 

debuginfo-tests/dbg-arg.c

@@ -1,6 +1,6 @@
 // This test case checks debug info during register moves for an argument.
-// RUN: %clang --target=%itanium_abi_host_triple -arch x86_64 -mllvm -fast-isel=false  %s -c -o %t.o
-// RUN: %clang --target=%itanium_abi_host_triple -arch x86_64 %t.o -o %t.out
+// RUN: %clang %target_itanium_abi_host_triple -arch x86_64 -mllvm -fast-isel=false  %s -c -o %t.o
+// RUN: %clang %target_itanium_abi_host_triple -arch x86_64 %t.o -o %t.out
 // RUN: %test_debuginfo %s %t.out
 //
 // Radar 8412415

debuginfo-tests/foreach.m

@@ -1,5 +1,5 @@
-// RUN: %clang --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
-// RUN: %clang --target=%itanium_abi_host_triple %t.o -o %t.out -framework Foundation
+// RUN: %clang %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clang %target_itanium_abi_host_triple %t.o -o %t.out -framework Foundation
 // RUN: %test_debuginfo %s %t.out 
 //
 // REQUIRES: system-darwin

debuginfo-tests/forward-declare-class.cpp

@@ -1,4 +1,4 @@
-// RUN: %clangxx --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
 // RUN: %test_debuginfo %s %t.o
 // Radar 9168773
 

debuginfo-tests/nested-struct.cpp

@@ -1,4 +1,4 @@
-// RUN: %clangxx --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
 // RUN: %test_debuginfo %s %t.o
 // Radar 9440721
 // If debug info for my_number() is emitted outside function foo's scope

debuginfo-tests/sret.cpp

@@ -1,5 +1,5 @@
-// RUN: %clangxx --target=%itanium_abi_host_triple -O0 -g %s -c -o %t.o
-// RUN: %clangxx --target=%itanium_abi_host_triple %t.o -o %t.out
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -c -o %t.o
+// RUN: %clangxx %target_itanium_abi_host_triple %t.o -o %t.out
 // RUN: %test_debuginfo %s %t.out 
 // Radar 8775834
 // DEBUGGER: break 62

debuginfo-tests/static-member-2.cpp

@@ -1,5 +1,5 @@
-// RUN: %clangxx --target=%itanium_abi_host_triple -O0 -g %s -o %t -c
-// RUN: %clangxx --target=%itanium_abi_host_triple %t -o %t.out
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -o %t -c
+// RUN: %clangxx %target_itanium_abi_host_triple %t -o %t.out
 // RUN: %test_debuginfo %s %t.out
 
 // FIXME: LLDB finds the wrong symbol for "C". rdar://problem/14933867

debuginfo-tests/static-member.cpp

@@ -1,5 +1,5 @@
-// RUN: %clangxx --target=%itanium_abi_host_triple -O0 -g %s -o %t -c
-// RUN: %clangxx --target=%itanium_abi_host_triple %t -o %t.out
+// RUN: %clangxx %target_itanium_abi_host_triple -O0 -g %s -o %t -c
+// RUN: %clangxx %target_itanium_abi_host_triple %t -o %t.out
 // RUN: %test_debuginfo %s %t.out
 
 // DEBUGGER: delete breakpoints