tejohnson created this revision.
Herald added subscribers: eraman, inglorion, mehdi_amini.
The LTO Config field wasn't being set when invoking a ThinLTO backend
via clang (i.e. for distributed builds).
https://reviews.llvm.org/D39923
Files:
lib/CodeGen/BackendUtil.cpp
test/CodeGen/thinlto-debug-pm.c
Index: test/CodeGen/thinlto-debug-pm.c
===================================================================
--- /dev/null
+++ test/CodeGen/thinlto-debug-pm.c
@@ -0,0 +1,9 @@
+// Test to ensure -fdebug-pass-manager works when invoking the
+// ThinLTO backend path with the new PM.
+// RUN: %clang -O2 %s -flto=thin -c -o %t.o
+// RUN: llvm-lto -thinlto -o %t %t.o
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -o %t2.o -x
ir %t.o -fthinlto-index=%t.thinlto.bc -fdebug-pass-manager
-fexperimental-new-pass-manager 2>&1 | FileCheck %s
+// CHECK: Running pass:
+
+void foo() {
+}
Index: lib/CodeGen/BackendUtil.cpp
===================================================================
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -1073,6 +1073,7 @@
initTargetOptions(Conf.Options, CGOpts, TOpts, LOpts, HeaderOpts);
Conf.SampleProfile = std::move(SampleProfile);
Conf.UseNewPM = CGOpts.ExperimentalNewPassManager;
+ Conf.DebugPassManager = CGOpts.DebugPassManager;
switch (Action) {
case Backend_EmitNothing:
Conf.PreCodeGenModuleHook = [](size_t Task, const Module &Mod) {
Index: test/CodeGen/thinlto-debug-pm.c
===================================================================
--- /dev/null
+++ test/CodeGen/thinlto-debug-pm.c
@@ -0,0 +1,9 @@
+// Test to ensure -fdebug-pass-manager works when invoking the
+// ThinLTO backend path with the new PM.
+// RUN: %clang -O2 %s -flto=thin -c -o %t.o
+// RUN: llvm-lto -thinlto -o %t %t.o
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-obj -O2 -o %t2.o -x ir %t.o -fthinlto-index=%t.thinlto.bc -fdebug-pass-manager -fexperimental-new-pass-manager 2>&1 | FileCheck %s
+// CHECK: Running pass:
+
+void foo() {
+}
Index: lib/CodeGen/BackendUtil.cpp
===================================================================
--- lib/CodeGen/BackendUtil.cpp
+++ lib/CodeGen/BackendUtil.cpp
@@ -1073,6 +1073,7 @@
initTargetOptions(Conf.Options, CGOpts, TOpts, LOpts, HeaderOpts);
Conf.SampleProfile = std::move(SampleProfile);
Conf.UseNewPM = CGOpts.ExperimentalNewPassManager;
+ Conf.DebugPassManager = CGOpts.DebugPassManager;
switch (Action) {
case Backend_EmitNothing:
Conf.PreCodeGenModuleHook = [](size_t Task, const Module &Mod) {
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