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[gcov] Make the CLang side coverage test work with the new 

instrumentation codegeneration strategy of using a data structure and
a loop. Required some finesse to get the critical things being tested to
surface in a nice way for FileCheck but I think this preserves the
original intent of the test.

llvm-svn: 331411
This commit is contained in:
Chandler Carruth 2018-05-02 22:57:20 +00:00
parent 2139e99e47
commit 9325c38fdb
1 changed files with 15 additions and 7 deletions
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22
clang/test/CodeGen/code-coverage.c
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@ -23,17 +23,25 @@ int test1(int a) {
return a;
}
int test2(int b) {
return b * 2;
}
// Inside function emission data structure, check that
// -coverage-no-function-names-in-data uses null as the function name.
// CHECK: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant
// CHECK-SAME: { i32 {{[0-9]+}}, i8* getelementptr inbounds ({{[^,]*}}, {{[^,]*}}* @
// CHECK-SAME: { i32 {{[0-9]+}}, i8* getelementptr inbounds ({{[^,]*}}, {{[^,]*}}* @
// WITHOUTNAMES: @__llvm_internal_gcov_emit_function_args.0 = internal unnamed_addr constant
// WITHOUTNAMES-NOT: getelementptr inbounds ({{.*}}@
// WITHOUTNAMES-SAME: zeroinitializer,
// WITHOUTNAMES-NOT: getelementptr inbounds ({{.*}}@
// WITHOUTNAMES-SAME: { i32 {{[0-9]+}}, i8* null,
// Check that the noredzone flag is set on the generated functions.
// CHECK: void @__llvm_gcov_indirect_counter_increment(i32* %{{.*}}, i64** %{{.*}}) unnamed_addr [[NRZ:#[0-9]+]]
// Inside llvm_gcov_writeout, check that -coverage-no-function-names-in-data
// passes null as the function name.
// CHECK: void @__llvm_gcov_writeout() unnamed_addr [[NRZ]]
// CHECK: call void @llvm_gcda_emit_function({{.*}}, i8* getelementptr {{.*}}, {{.*}})
// WITHOUTNAMES: void @__llvm_gcov_writeout() unnamed_addr
// WITHOUTNAMES: call void @llvm_gcda_emit_function({{.*}}, i8* null, {{.*}})
// CHECK: void @__llvm_gcov_flush() unnamed_addr [[NRZ]]
// CHECK: void @__llvm_gcov_init() unnamed_addr [[NRZ]]