Fixing up IRGen tests that use attribute no-frame-pointer-elim.

Changes I made to swift (PR swiftlang#26263) for llvm cfe r366645 have caused
these tests to fail because the string attributes have changes. This
patch fixes them to use the new frame pointer elision attributes.

Author: plotfi

test/IRGen/c_globals.swift

@@ -31,5 +31,5 @@ public func testCaptureGlobal() {
   }) // CHECK: {{^}$}}
 }
 
-// CHECK-DAG: attributes [[CLANG_FUNC_ATTR]] = { noinline nounwind {{.*}}"no-frame-pointer-elim"="true"{{.*}}
-// CHECK-DAG: attributes [[SWIFT_FUNC_ATTR]] = { "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "target-cpu"
+// CHECK-DAG: attributes [[CLANG_FUNC_ATTR]] = { noinline nounwind {{.*}}"frame-pointer"="all"{{.*}}
+// CHECK-DAG: attributes [[SWIFT_FUNC_ATTR]] = { "frame-pointer"="all" "target-cpu"

test/IRGen/generic_metatypes.swift

@@ -204,7 +204,7 @@ func makeGenericMetatypes() {
 // CHECK-NOT: call void @llvm.lifetime.end
 // CHECK:   ret %swift.metadata_response
 
-// CHECK: attributes [[NOUNWIND_READNONE_OPT]] = { nounwind readnone "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "target-cpu"
-// CHECK: attributes [[NOUNWIND_OPT]] = { nounwind "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "target-cpu"
+// CHECK: attributes [[NOUNWIND_READNONE_OPT]] = { nounwind readnone "frame-pointer"="all" "target-cpu"
+// CHECK: attributes [[NOUNWIND_OPT]] = { nounwind "frame-pointer"="all" "target-cpu"
 // CHECK: attributes [[NOUNWIND_READNONE]] = { nounwind readnone }
 // CHECK: attributes [[NOUNWIND_ARGMEM]] = { inaccessiblemem_or_argmemonly nounwind }