bool DevirtModule::areRemarksEnabled() {
const auto &FL = M.getFunctionList();
- if (FL.empty())
- return false;
- const Function &Fn = FL.front();
-
- const auto &BBL = Fn.getBasicBlockList();
- if (BBL.empty())
- return false;
- auto DI = OptimizationRemark(DEBUG_TYPE, "", DebugLoc(), &BBL.front());
- return DI.isEnabled();
+ for (const Function &Fn : FL) {
+ const auto &BBL = Fn.getBasicBlockList();
+ if (BBL.empty())
+ continue;
+ auto DI = OptimizationRemark(DEBUG_TYPE, "", DebugLoc(), &BBL.front());
+ return DI.isEnabled();
+ }
+ return false;
}
void DevirtModule::scanTypeTestUsers(Function *TypeTestFunc,
; RUN: -r=%t.o,_ZN1A1nEi,p \
; RUN: -r=%t.o,_ZN1B1fEi,p \
; RUN: -r=%t.o,_ZN1C1fEi,p \
+; RUN: -r=%t.o,empty,p \
; RUN: -r=%t.o,_ZTV1B, \
; RUN: -r=%t.o,_ZTV1C, \
; RUN: -r=%t.o,_ZN1A1nEi, \
; RUN: -r=%t.o,_ZN1A1nEi,p \
; RUN: -r=%t.o,_ZN1B1fEi,p \
; RUN: -r=%t.o,_ZN1C1fEi,p \
+; RUN: -r=%t.o,empty,p \
; RUN: -r=%t.o,_ZTV1B, \
; RUN: -r=%t.o,_ZTV1C, \
; RUN: -r=%t.o,_ZN1A1nEi, \
@_ZTV1B = constant { [4 x i8*] } { [4 x i8*] [i8* null, i8* undef, i8* bitcast (i32 (%struct.B*, i32)* @_ZN1B1fEi to i8*), i8* bitcast (i32 (%struct.A*, i32)* @_ZN1A1nEi to i8*)] }, !type !0, !type !1
@_ZTV1C = constant { [4 x i8*] } { [4 x i8*] [i8* null, i8* undef, i8* bitcast (i32 (%struct.C*, i32)* @_ZN1C1fEi to i8*), i8* bitcast (i32 (%struct.A*, i32)* @_ZN1A1nEi to i8*)] }, !type !0, !type !2
+; Put declaration first to test handling of remarks when the first
+; function has no basic blocks.
+declare void @empty()
+
; CHECK-IR-LABEL: define i32 @test
define i32 @test(%struct.A* %obj, i32 %a) {
entry: