fails to return a value, to make debugging this issue easier.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165914
91177308-0d34-0410-b5e6-
96231b3b80d8
EmitCheck(Builder.getFalse(), "missing_return",
EmitCheckSourceLocation(FD->getLocation()),
llvm::ArrayRef<llvm::Value*>());
+ else if (CGM.getCodeGenOpts().OptimizationLevel == 0)
+ Builder.CreateCall(CGM.getIntrinsic(llvm::Intrinsic::trap));
Builder.CreateUnreachable();
Builder.ClearInsertionPoint();
}
-// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -O0 -o - %s | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -O -o - %s | FileCheck %s --check-prefix=CHECK-OPT
-// CHECK: @_Z9no_return
+// CHECK: @_Z9no_return
+// CHECK-OPT: @_Z9no_return
int no_return() {
- // CHECK: unreachable
+ // CHECK: call void @llvm.trap
+ // CHECK-NEXT: unreachable
+
+ // CHECK-OPT-NOT: call void @llvm.trap
+ // CHECK-OPT: unreachable
}