[sanitizer-coverage] emit __sanitizer_cov_trace_pc_guard w/o a preceding 'if' by default. Update the docs, also add deprecation notes around other parts of sanitizer coverage
llvm-svn: 292862
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
index 5b4b1fb..e34dd61 100644
--- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
+++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
@@ -95,7 +95,7 @@
"sanitizer-coverage-block-threshold",
cl::desc("Use a callback with a guard check inside it if there are"
" more than this number of blocks."),
- cl::Hidden, cl::init(500));
+ cl::Hidden, cl::init(0));
static cl::opt<bool>
ClExperimentalTracing("sanitizer-coverage-experimental-tracing",
diff --git a/llvm/test/Instrumentation/SanitizerCoverage/coverage.ll b/llvm/test/Instrumentation/SanitizerCoverage/coverage.ll
index a2a92a0..9dceceb 100644
--- a/llvm/test/Instrumentation/SanitizerCoverage/coverage.ll
+++ b/llvm/test/Instrumentation/SanitizerCoverage/coverage.ll
@@ -1,6 +1,6 @@
; RUN: opt < %s -sancov -sanitizer-coverage-level=0 -S | FileCheck %s --check-prefix=CHECK0
; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -S | FileCheck %s --check-prefix=CHECK1
-; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -S | FileCheck %s --check-prefix=CHECK2
+; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -S | FileCheck %s --check-prefix=CHECK_WITH_CHECK
; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=10 -S | FileCheck %s --check-prefix=CHECK2
; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=0 -S | FileCheck %s --check-prefix=CHECK_WITH_CHECK
; RUN: opt < %s -sancov -sanitizer-coverage-level=2 -sanitizer-coverage-block-threshold=1 -S | FileCheck %s --check-prefix=CHECK_WITH_CHECK
diff --git a/llvm/test/Instrumentation/SanitizerCoverage/coverage2-dbg.ll b/llvm/test/Instrumentation/SanitizerCoverage/coverage2-dbg.ll
index 37eca10..fde1904 100644
--- a/llvm/test/Instrumentation/SanitizerCoverage/coverage2-dbg.ll
+++ b/llvm/test/Instrumentation/SanitizerCoverage/coverage2-dbg.ll
@@ -17,8 +17,8 @@
; Check that __sanitizer_cov call has !dgb pointing to the beginning
; of appropriate basic blocks.
; CHECK-LABEL:_Z3fooPi
-; CHECK: call void @__sanitizer_cov(i32*{{.*}}), !dbg [[A:!.*]]
-; CHECK: call void @__sanitizer_cov(i32*{{.*}}), !dbg [[B:!.*]]
+; CHECK: call void @__sanitizer_cov{{.*}}(i32*{{.*}}), !dbg [[A:!.*]]
+; CHECK: call void @__sanitizer_cov{{.*}}(i32*{{.*}}), !dbg [[B:!.*]]
; CHECK: ret void
; CHECK: [[A]] = !DILocation(line: 1, scope: !{{.*}})
; CHECK: [[B]] = !DILocation(line: 3, column: 5, scope: !{{.*}})