aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--lib/CodeGen/BackendUtil.cpp4
-rw-r--r--test/CodeGen/code-coverage.c19
2 files changed, 22 insertions, 1 deletions
diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index f6e9dd7888..e960871542 100644
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -294,7 +294,9 @@ void EmitAssemblyHelper::CreatePasses(TargetMachine *TM) {
if (CodeGenOpts.EmitGcovArcs || CodeGenOpts.EmitGcovNotes) {
MPM->add(createGCOVProfilerPass(CodeGenOpts.EmitGcovNotes,
CodeGenOpts.EmitGcovArcs,
- TargetTriple.isMacOSX()));
+ TargetTriple.isMacOSX(),
+ false,
+ CodeGenOpts.DisableRedZone));
if (CodeGenOpts.getDebugInfo() == CodeGenOptions::NoDebugInfo)
MPM->add(createStripSymbolsPass(true));
diff --git a/test/CodeGen/code-coverage.c b/test/CodeGen/code-coverage.c
new file mode 100644
index 0000000000..b073ae6d0b
--- /dev/null
+++ b/test/CodeGen/code-coverage.c
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -O0 -mno-red-zone -fprofile-arcs -ftest-coverage -emit-llvm %s -o - | FileCheck %s
+// <rdar://problem/12843084>
+
+int test1(int a) {
+ switch (a % 2) {
+ case 0:
+ ++a;
+ case 1:
+ a /= 2;
+ }
+ return a;
+}
+
+// Check tha the `-mno-red-zone' flag is set here on the generated functions.
+
+// CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr noinline noredzone
+// CHECK: void @__llvm_gcov_writeout() unnamed_addr noinline noredzone
+// CHECK: void @__llvm_gcov_init() unnamed_addr noinline noredzone
+// CHECK: void @__gcov_flush() unnamed_addr noinline noredzone