Parent->getRecipeList().insert(InsertPos->getIterator(), this);
}
+iplist<VPRecipeBase>::iterator VPRecipeBase::eraseFromParent() {
+ return getParent()->getRecipeList().erase(getIterator());
+}
+
void VPInstruction::generateInstruction(VPTransformState &State,
unsigned Part) {
IRBuilder<> &Builder = State.Builder;
/// Insert an unlinked recipe into a basic block immediately before
/// the specified recipe.
void insertBefore(VPRecipeBase *InsertPos);
+
+ /// This method unlinks 'this' from the containing basic block and deletes it.
+ ///
+ /// \returns an iterator pointing to the element after the erased one
+ iplist<VPRecipeBase>::iterator eraseFromParent();
};
/// This is a concrete Recipe that models a single VPlan-level instruction.
CHECK_ITERATOR(VPBB1, I3, I2, I1);
}
+TEST(VPInstructionTest, eraseFromParent) {
+ VPInstruction *I1 = new VPInstruction(0, {});
+ VPInstruction *I2 = new VPInstruction(1, {});
+ VPInstruction *I3 = new VPInstruction(2, {});
+
+ VPBasicBlock VPBB1;
+ VPBB1.appendRecipe(I1);
+ VPBB1.appendRecipe(I2);
+ VPBB1.appendRecipe(I3);
+
+ I2->eraseFromParent();
+ CHECK_ITERATOR(VPBB1, I1, I3);
+
+ I1->eraseFromParent();
+ CHECK_ITERATOR(VPBB1, I3);
+
+ I3->eraseFromParent();
+ EXPECT_TRUE(VPBB1.empty());
+}
+
} // namespace
} // namespace llvm