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[PM] Sink the module parsing from the fixture to the test as subsequent

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tests will want different IR.

Wanted this when writing tests for the proposed CG update stuff, and
this is an easily separable piece.

llvm-svn: 273973
This commit is contained in:
Chandler Carruth 2016-06-28 00:38:42 +00:00
parent 7de0cf3cf7
commit 6c138ce31c
1 changed files with 38 additions and 43 deletions
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81
llvm/unittests/Analysis/CGSCCPassManagerTest.cpp
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@ -208,53 +208,48 @@ struct TestFunctionPass {
int &RunCount;
};
std::unique_ptr<Module> parseIR(LLVMContext &C, const char *IR) {
std::unique_ptr<Module> parseIR(const char *IR) {
// We just use a static context here. This is never called from multiple
// threads so it is harmless no matter how it is implemented. We just need
// the context to outlive the module which it does.
static LLVMContext C;
SMDiagnostic Err;
return parseAssemblyString(IR, Err, C);
}
class CGSCCPassManagerTest : public ::testing::Test {
protected:
LLVMContext Context;
std::unique_ptr<Module> M;
public:
CGSCCPassManagerTest()
: M(parseIR(Context, "define void @f() {\n"
"entry:\n"
" call void @g()\n"
" call void @h1()\n"
" ret void\n"
"}\n"
"define void @g() {\n"
"entry:\n"
" call void @g()\n"
" call void @x()\n"
" ret void\n"
"}\n"
"define void @h1() {\n"
"entry:\n"
" call void @h2()\n"
" ret void\n"
"}\n"
"define void @h2() {\n"
"entry:\n"
" call void @h3()\n"
" call void @x()\n"
" ret void\n"
"}\n"
"define void @h3() {\n"
"entry:\n"
" call void @h1()\n"
" ret void\n"
"}\n"
"define void @x() {\n"
"entry:\n"
" ret void\n"
"}\n")) {}
};
TEST_F(CGSCCPassManagerTest, Basic) {
TEST(CGSCCPassManagerTest, Basic) {
auto M = parseIR("define void @f() {\n"
"entry:\n"
" call void @g()\n"
" call void @h1()\n"
" ret void\n"
"}\n"
"define void @g() {\n"
"entry:\n"
" call void @g()\n"
" call void @x()\n"
" ret void\n"
"}\n"
"define void @h1() {\n"
"entry:\n"
" call void @h2()\n"
" ret void\n"
"}\n"
"define void @h2() {\n"
"entry:\n"
" call void @h3()\n"
" call void @x()\n"
" ret void\n"
"}\n"
"define void @h3() {\n"
"entry:\n"
" call void @h1()\n"
" ret void\n"
"}\n"
"define void @x() {\n"
"entry:\n"
" ret void\n"
"}\n");
FunctionAnalysisManager FAM(/*DebugLogging*/ true);
int FunctionAnalysisRuns = 0;
FAM.registerPass([&] { return TestFunctionAnalysis(FunctionAnalysisRuns); });