This prevents the functions generated by that pass from using the red zone.
<rdar://problem/
12843084>
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169755
91177308-0d34-0410-b5e6-
96231b3b80d8
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));
--- /dev/null
+// 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